fzus61 kbuf 270758
glflo 
expires:202404271500;;451135

open lake forecast for lake ontario
national weather service buffalo ny
358 am edt sat apr 27 2024

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a large 30.4 inch high along the coast of new england 
will remain in place today while a warm front pushes northeast 
across the lake. a 29.6 inch low will then track from the central
plains sunday to lake superior by monday evening...then to ontario
province on tuesday. a cold front trailing from the low will 
cross the lake on tuesday...with a 29.9 inch bubble of high 
pressure then forecast to slide across the lake tuesday night and
wednesday. 


loz062-271500-
lake ontario open waters from the niagara river to hamlin beach-
358 am edt sat apr 27 2024

.today...southeast winds 10 to 15 knots. showers from late
morning on. waves 1 to 3 feet. 
.tonight...southeast winds 10 to 15 knots becoming southwest. a
chance of showers in the evening. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots. a chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet. 
.sunday night...west winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. a chance of showers and
thunderstorms in the evening, then a chance of showers overnight.
waves 2 feet or less. 
.monday...east winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet building to 3 to
5 feet, then subsiding to 1 to 3 feet. 
.tuesday...east winds 10 knots or less becoming northeast.
showers likely during the day, then a chance of showers tuesday
night. waves 1 to 2 feet. 
.wednesday...southeast winds 10 knots or less becoming south.
waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 270758
glflo 
expires:202404271500;;451136

open lake forecast for lake ontario
national weather service buffalo ny
358 am edt sat apr 27 2024

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a large 30.4 inch high along the coast of new england 
will remain in place today while a warm front pushes northeast 
across the lake. a 29.6 inch low will then track from the central
plains sunday to lake superior by monday evening...then to ontario
province on tuesday. a cold front trailing from the low will 
cross the lake on tuesday...with a 29.9 inch bubble of high 
pressure then forecast to slide across the lake tuesday night and
wednesday. 


loz063>065-271500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
358 am edt sat apr 27 2024

.today...southeast winds 15 to 25 knots becoming south. showers
this afternoon. waves 2 to 4 feet building to 3 to 5 feet. 
.tonight...south winds 15 to 25 knots. showers likely early, then
a chance of showers from late evening on. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.sunday...south winds 15 to 20 knots becoming southwest 5 to
15 knots. a chance of showers in the morning, then a chance of
showers and thunderstorms in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming northeast 15 to
20 knots. a chance of showers and thunderstorms in the evening,
then a chance of showers overnight. waves 2 feet or less building
to 2 to 4 feet. 
.monday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.tuesday...northeast winds 5 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.wednesday...northwest winds 5 to 10 knots becoming south. waves
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 270804
glfle 
expires:202404271430;;451735

open lake forecast for lake erie
national weather service cleveland oh
404 am edt sat apr 27 2024

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
a warm front will move north across the lake today. high pressure
30.40 inches will strengthen over the east coast and return to the
region behind warm front for the remainder of the weekend. a cold
front will cross the lake monday night into tuesday. weak high
pressure 30.00 inches will return behind the front for tuesday. a
trough averaging 29.80 inches will approach the lake for
wednesday.


lez162>164-271430-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
404 am edt sat apr 27 2024

.today...south winds 15 to 20 knots becoming southwest. showers
likely with a slight chance of thunderstorms early, then a chance
of showers with a slight chance of thunderstorms. a slight chance
of showers and thunderstorms late. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.tonight...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a slight chance of showers and thunderstorms through
the early overnight, then a chance of showers with a slight
chance of thunderstorms late. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms. waves 2 feet or less. 
.sunday night...south winds 5 to 10 knots. a chance of showers
and thunderstorms in the evening. waves 1 foot or less. 
.monday...south winds around 10 knots becoming southwest. a
chance of showers during the day, then showers with a chance of
thunderstorms monday night. waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots becoming southwest. a chance
of showers during the day. waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots. a chance of showers
wednesday night. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 270804
glfle 
expires:202404271430;;451736

open lake forecast for lake erie
national weather service cleveland oh
404 am edt sat apr 27 2024

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
a warm front will move north across the lake today. high pressure
30.40 inches will strengthen over the east coast and return to the
region behind warm front for the remainder of the weekend. a cold
front will cross the lake monday night into tuesday. weak high
pressure 30.00 inches will return behind the front for tuesday. a
trough averaging 29.80 inches will approach the lake for
wednesday.


lez165>167-271430-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
404 am edt sat apr 27 2024

.today...south winds 15 to 20 knots. showers likely with a slight
chance of thunderstorms early, then a chance of showers with a
slight chance of thunderstorms late this morning. a slight chance
of showers and thunderstorms this afternoon. waves 2 to 4 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a slight chance of showers and thunderstorms through
the early overnight, then a chance of showers with a slight
chance of thunderstorms late. waves 2 to 4 feet. 
.sunday...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms. waves 1 to 3 feet. 
.sunday night...south winds 5 to 10 knots. a chance of showers
and thunderstorms in the evening. waves 1 to 2 feet. 
.monday...south winds 5 to 10 knots becoming southwest. a chance
of showers during the day, then showers with a chance of
thunderstorms monday night. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. a chance of showers
during the day. waves 2 feet or less. 
.wednesday...south winds 5 to 10 knots. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 270804
glfle 
expires:202404271430;;451737

open lake forecast for lake erie
national weather service cleveland oh
404 am edt sat apr 27 2024

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
a warm front will move north across the lake today. high pressure
30.40 inches will strengthen over the east coast and return to the
region behind warm front for the remainder of the weekend. a cold
front will cross the lake monday night into tuesday. weak high
pressure 30.00 inches will return behind the front for tuesday. a
trough averaging 29.80 inches will approach the lake for
wednesday.


lez061-168-169-271430-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
404 am edt sat apr 27 2024

.today...south winds 15 to 20 knots. showers likely with a slight
chance of thunderstorms this morning, then a chance of showers
with a slight chance of thunderstorms early this afternoon. a
slight chance of showers and thunderstorms late. waves 2 to
4 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a slight chance of showers and thunderstorms through
the early overnight, then a chance of showers with a slight
chance of thunderstorms late. waves 2 to 3 feet. 
.sunday...southwest winds 10 to 15 knots. a chance of showers and
thunderstorms. waves 2 to 3 feet. 
.sunday night...southwest winds 5 to 10 knots becoming east. a
chance of showers and thunderstorms in the evening. waves 1 to
3 feet. 
.monday...east winds 5 to 10 knots becoming south. showers likely
with a chance of thunderstorms monday night. waves 2 feet or
less. 
.tuesday...southwest winds 5 to 10 knots. showers during the day.
waves 2 feet or less. 
.wednesday...south winds 5 to 10 knots. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 270812
glfsc 
expires:202404271615;;452754

lake st clair forecast
national weather service detroit/pontiac mi
412 am edt sat apr 27 2024

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure to the west affects the central great
lakes through the weekend. the system brings increasing southwest
winds and a pattern of showers and thunderstorms through monday 
as a similar system follows in-trail. the initial cold front 
stalls over lake huron and lower michigan until disloding monday 
night.


lcz460-271615-
lake st clair-
412 am edt sat apr 27 2024

.today...south winds 15 to 20 knots. mostly cloudy. light showers
likely and a chance of thunderstorms in the morning...then a chance
of light showers in the afternoon. waves 2 to 4 feet.
.tonight...southwest winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. partly cloudy in the evening...then mostly
cloudy with a chance of showers and thunderstorms after midnight.
waves 1 to 3 feet.
.sunday...southwest winds 10 to 15 knots. mostly cloudy with a
chance of showers and thunderstorms. waves 2 feet or less.
.sunday night...southeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and early morning...then becoming south
10 to 15 knots after midnight. partly cloudy in the evening becoming
mostly cloudy. a chance of showers and thunderstorms. waves 2 feet
or less.
.monday...south winds 15 to 20 knots. partly sunny becoming mostly
cloudy. a chance of light showers in the morning...then light
showers likely and a chance of thunderstorms in the afternoon and
evening. waves 1 to 3 feet.
.tuesday...northwest winds 10 to 15 knots. partly cloudy. light
showers likely and a chance of thunderstorms. waves 2 feet or less.
.wednesday...south winds 10 to 15 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 270811
glflh 
expires:202404271615;;452723

open lake forecast for lake huron
national weather service detroit/pontiac mi
411 am edt sat apr 27 2024

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure to the west affects the central great
lakes through the weekend. the system brings increasing southwest
winds and a pattern of showers and thunderstorms through monday 
as a similar system follows in-trail. the initial cold front 
stalls over lake huron and lower michigan until disloding monday 
night.


lhz361-362-271615-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
411 am edt sat apr 27 2024

.today...southeast winds 15 to 20 knots with gusts to around
30 knots becoming south 20 to 25 knots with gusts to around
30 knots late in the morning...then decreasing to 15 to 20 knots
with gusts to around 30 knots in the afternoon. a chance of
showers. waves 8 to 12 feet. waves occasionally around 15 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots in the late evening and early morning...then decreasing
to 5 to 10 knots early in the morning. a chance of showers and
thunderstorms. waves 5 to 7 feet. waves occasionally around
10 feet. 
.sunday...west winds 5 to 10 knots. waves 3 to 5 feet subsiding
to 1 to 3 feet in the late morning and afternoon. 
.sunday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots with gusts to around 30 knots after midnight.
showers. waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. waves occasionally around 8 feet. 
.monday...east winds 20 to 25 knots with gusts to 35 knot gales
decreasing to 10 to 15 knots. showers...then a chance of showers
late in the evening. waves 4 to 6 feet. 
.tuesday...southwest winds 10 to 15 knots veering to the west in
the late morning and early afternoon...then becoming west 10 to
15 knots early in the evening veering to the southeast in the
late evening and early morning. waves 2 to 4 feet subsiding to
1 to 3 feet. waves occasionally around 8 feet. 
.wednesday...south winds 5 to 10 knots increasing to 10 to
15 knots until early evening...then becoming east 5 to 10 knots
in the late evening and early morning. a chance of showers in the
late evening and early morning. waves 1 to 3 feet building to
2 to 4 feet. 


$$

fzus63 kdtx 270811
glflh 
expires:202404271615;;452724

open lake forecast for lake huron
national weather service detroit/pontiac mi
411 am edt sat apr 27 2024

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...low pressure to the west affects the central great
lakes through the weekend. the system brings increasing southwest
winds and a pattern of showers and thunderstorms through monday 
as a similar system follows in-trail. the initial cold front 
stalls over lake huron and lower michigan until disloding monday 
night.


lhz363-462>464-271615-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
411 am edt sat apr 27 2024

.today...south winds 15 to 20 knots. gusts to 30 knots in the
morning. showers likely in the morning. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. a chance of showers
and thunderstorms after midnight. waves 4 to 6 feet. 
.sunday...southwest winds 5 to 10 knots becoming 10 to 15 knots
early in the afternoon. a chance of showers in the morning...then
showers likely in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet in the late morning and afternoon. waves occasionally
around 8 feet. 
.sunday night...northeast winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. showers likely. waves
1 to 3 feet. 
.monday...east winds 10 to 15 knots increasing to 15 to 20 knots
late in the morning...then becoming south 10 to 15 knots late in
the afternoon. showers likely. a chance of thunderstorms late in
the afternoon. a chance of showers late in the evening. waves
3 to 5 feet. 
.tuesday...south winds 10 to 15 knots becoming west 5 to 10 knots
in the late morning and early afternoon...then veering to the
northeast until early morning. a chance of showers early in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...southeast winds 5 to 10 knots becoming south 10 to
15 knots. waves 1 to 3 feet. 


$$

fzus63 kmkx 270805
glflm 
expires:202404271530;;451844

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 am cdt sat apr 27 2024

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.3 inches over southern minnesota continues
to drift northeastward this morning, reaching lake superior around
noon today. gusty south winds are expected across lake michigan
today, with a few gusts approaching gale force, especially in the
northern half of the lake. winds will then become light and 
northeasterly tonight into sunday morning as the low exits and a 
weak cold front drapes across central portions of the lake. sunday
into sunday night, winds will become breezy and southerly south 
of the front and will become breezy and easterly to northeasterly 
north of the front. 

a few thunderstorms are expected to cross southern lake michigan
early this morning. additional rounds of showers and 
thunderstorms are expected this afternoon through sunday. a few 
storms this afternoon and evening could produce locally gusty 
winds and hail.



lmz080-669-671-673-675-777-779-870-872-874-876-878-271530-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
305 am cdt sat apr 27 2024

sheboygan wi to pentwater mi south...

.today...south winds to 30 kt. slight chance of showers and
thunderstorms. waves 6 to 9 ft occasionally to 12 ft. 
.tonight...south winds to 30 kt diminishing to 10 to 15 kt.
chance of rain showers and thunderstorms. waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft. 
.sunday...southeast winds 10 to 20 kt. rain showers with a chance
of thunderstorms in the morning, then chance of rain showers in
the afternoon. waves 3 to 5 ft. 
.sunday night...southeast winds 10 to 20 kt becoming south. rain
showers with a chance of thunderstorms. waves 3 to 5 ft building
to 4 to 6 ft occasionally to 8 ft. 
.monday...south winds 15 to 25 kt. showers likely in the morning,
then chance of showers in the afternoon. waves 4 to 7 ft
occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.
.monday night...southwest winds 15 to 25 kt becoming west 10 to
15 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to
5 ft. 
.tuesday...west winds 10 to 15 kt backing to south 10 to 20 kt.
waves 1 to 3 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south. waves
2 to 4 ft.  

$$

fzus63 kmkx 270805
glflm 
expires:202404271530;;451843

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 am cdt sat apr 27 2024

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.3 inches over southern minnesota continues
to drift northeastward this morning, reaching lake superior around
noon today. gusty south winds are expected across lake michigan
today, with a few gusts approaching gale force, especially in the
northern half of the lake. winds will then become light and 
northeasterly tonight into sunday morning as the low exits and a 
weak cold front drapes across central portions of the lake. sunday
into sunday night, winds will become breezy and southerly south 
of the front and will become breezy and easterly to northeasterly 
north of the front. 

a few thunderstorms are expected to cross southern lake michigan
early this morning. additional rounds of showers and 
thunderstorms are expected this afternoon through sunday. a few 
storms this afternoon and evening could produce locally gusty 
winds and hail.



lmz261-362-364-366-563-565-567-868-271530-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
305 am cdt sat apr 27 2024

sheboygan wi to pentwater mi north...

.today...south winds to 30 kt with a few gusts to gale force. 
chance of showers and slight chance of thunderstorms this morning,
then slight chance of showers and thunderstorms this afternoon. 
waves 6 to 9 ft occasionally to 12 ft. 
.tonight...southwest winds to 30 kt diminishing to 10 to 20 kt
late in the evening, then becoming northwest 10 to 15 kt after
midnight becoming north late. chance of rain showers and
thunderstorms in the evening, then slight chance of rain showers
and thunderstorms overnight. waves 6 to 9 ft occasionally to
12 ft subsiding to 3 to 5 ft. 
.sunday...north winds 10 to 20 kt becoming northeast. chance of
rain showers in the morning, then rain showers in the afternoon.
waves 3 to 5 ft. 
.sunday night...east winds to 30 kt becoming southeast gales to
40 kt overnight. rain showers. waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft. 
.monday...southeast gales to 40 kt becoming south to 30 kt in the
afternoon. rain showers in the morning, then rain showers likely
in the afternoon. waves 4 to 7 ft occasionally to 9 ft building
to 5 to 8 ft occasionally to 10 ft. 
.monday night...southwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to
5 ft. 
.tuesday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 2 to 4 ft. 
.wednesday...southwest winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmqt 270811
glfls 
expires:202404271615;;452692

open lake forecast for lake superior
national weather service marquette mi
411 am edt sat apr 27 2024

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.5 inches over southwest minnesota 
will weaken to 29.6 inches as it tracks northeast, crossing western 
lake superior today and exiting northern lake superior by evening. 
during tonight and sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure slowly lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day on monday 
at 29.7 inches. as the low moves over northern ontario monday night, 
a weak 29.9 inch ridge will shift east across the mississippi 
valley. on tuesday, the ridge will move toward the appalachians as 
the next low pressure of 29.6 inches tracks from the dakotas to 
northern minnesota. this low will pass just north of lake superior 
on wednesday. in its wake, a 29.9 inch ridge will shift east to the 
western great lakes by wednesday evening. 


lsz265-271615-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
411 am edt sat apr 27 2024

...gale watch in effect from sunday evening through monday
afternoon...

.early this morning...southeast winds 15 to 25 knots. scattered
rain showers and isolated thunderstorms. waves 3 to 6 feet
occasionally to 8 feet. 
.today...southeast winds 15 to 25 knots veering south in the
afternoon, then veering west late. a few gale force gusts to
35 knots possible late. scattered showers and isolated 
thunderstorms. waves subsiding to 2 to 4 feet. 
.tonight...west winds 15 to 25 knots veering north late. a slight
chance of rain showers through midnight. waves building to 3 to
6 feet occasionally to 8 feet. 
.sunday...northeast winds 15 to 25 knots. a chance of rain
showers by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.sunday night...east gales to 35 knots. rain showers. waves
building to 7 to 10 feet occasionally to 13 feet. 
.monday...east gales to 35 knots diminishing to 15 to 25 knots by
mid afternoon. rain showers likely through early afternoon, then
a chance of rain showers by mid afternoon. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.monday night...south winds 10 to 20 knots veering southwest
after midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 10 to 20 knots backing southeast. a chance
of rain showers. waves calm to 2 feet. 
.wednesday...west winds 15 to 25 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 

$$

fzus63 kmqt 270811
glfls 
expires:202404271615;;452693

open lake forecast for lake superior
national weather service marquette mi
411 am edt sat apr 27 2024

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.5 inches over southwest minnesota 
will weaken to 29.6 inches as it tracks northeast, crossing western 
lake superior today and exiting northern lake superior by evening. 
during tonight and sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure slowly lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day on monday 
at 29.7 inches. as the low moves over northern ontario monday night, 
a weak 29.9 inch ridge will shift east across the mississippi 
valley. on tuesday, the ridge will move toward the appalachians as 
the next low pressure of 29.6 inches tracks from the dakotas to 
northern minnesota. this low will pass just north of lake superior 
on wednesday. in its wake, a 29.9 inch ridge will shift east to the 
western great lakes by wednesday evening. 


lsz266-271615-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
411 am edt sat apr 27 2024

...gale watch in effect from sunday evening through monday
afternoon...

.early this morning...southeast winds 20 to 30 knots. rain
showers and isolated thunderstorms. waves 5 to 9 feet
occasionally to 11 feet. 
.today...southeast winds 20 to 30 knots veering south in the
afternoon, then becoming southwest 15 to 25 knots late. scattered
rain showers and isolated thunderstorms. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 15 to 25 knots veering northwest after
midnight, then becoming north 20 to 30 knots late. a few gale
force gusts to 35 knots possible early this evening. a slight 
chance of rain showers through midnight. waves building to 4 to 7 
feet occasionally to 9 feet. 
.sunday...northeast winds 15 to 25 knots. a chance of rain
showers by mid afternoon. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday night...east gales to 35 knots. rain showers. waves
building to 8 to 11 feet occasionally to 14 feet. 
.monday...east gales to 35 knots becoming southeast 20 to
30 knots by mid afternoon. rain showers. waves subsiding to 5 to
8 feet occasionally to 10 feet. 
.monday night...south winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. a chance of rain showers through
midnight. waves subsiding to 2 to 4 feet. 
.tuesday...west winds 10 to 20 knots backing southeast. a chance
of rain showers. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots veering west. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 270811
glfls 
expires:202404271615;;452694

open lake forecast for lake superior
national weather service marquette mi
411 am edt sat apr 27 2024

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.5 inches over southwest minnesota 
will weaken to 29.6 inches as it tracks northeast, crossing western 
lake superior today and exiting northern lake superior by evening. 
during tonight and sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure slowly lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day on monday 
at 29.7 inches. as the low moves over northern ontario monday night, 
a weak 29.9 inch ridge will shift east across the mississippi 
valley. on tuesday, the ridge will move toward the appalachians as 
the next low pressure of 29.6 inches tracks from the dakotas to 
northern minnesota. this low will pass just north of lake superior 
on wednesday. in its wake, a 29.9 inch ridge will shift east to the 
western great lakes by wednesday evening. 


lsz267-271615-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
411 am edt sat apr 27 2024

.early this morning...southeast winds 20 to 30 knots. rain
showers and isolated thunderstorms. waves 5 to 9 feet
occasionally to 11 feet. 
.today...southeast winds 20 to 30 knots veering south in the
afternoon, then diminishing to 15 to 25 knots late. numerous rain
showers through early afternoon. isolated thunderstorms.
scattered rain showers by mid afternoon. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tonight...west winds 15 to 25 knots veering north late. a few
gale force gusts to 35 knots possible early this evening. a 
slight chance of rain showers through midnight. waves building to 
4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet 
occasionally to 8 feet. 
.sunday...north winds 15 to 25 knots veering northeast in the
afternoon. rain showers likely by mid afternoon. waves subsiding
to 2 to 4 feet. 
.sunday night...east winds 15 to 25 knots increasing to 20 to
30 knots after midnight. rain showers. waves building to 4 to
7 feet occasionally to 9 feet. 
.monday...east gales to 35 knots becoming southeast 20 to
30 knots by mid afternoon. rain showers. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.monday night...southeast winds 15 to 25 knots becoming south
10 to 20 knots after midnight. a chance of rain showers through
midnight. waves subsiding to calm to 2 feet. 
.tuesday...west winds 10 to 20 knots backing southeast. a chance
of rain showers. waves building to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots veering west. a
chance of rain showers. waves 1 to 3 feet. 

$$

fzus63 kmqt 270811
glfls 
expires:202404271615;;452689

open lake forecast for lake superior
national weather service marquette mi
411 am edt sat apr 27 2024

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.5 inches over southwest minnesota 
will weaken to 29.6 inches as it tracks northeast, crossing western 
lake superior today and exiting northern lake superior by evening. 
during tonight and sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure slowly lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day on monday 
at 29.7 inches. as the low moves over northern ontario monday night, 
a weak 29.9 inch ridge will shift east across the mississippi 
valley. on tuesday, the ridge will move toward the appalachians as 
the next low pressure of 29.6 inches tracks from the dakotas to 
northern minnesota. this low will pass just north of lake superior 
on wednesday. in its wake, a 29.9 inch ridge will shift east to the 
western great lakes by wednesday evening. 


lsz162-271615-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
411 am edt sat apr 27 2024 /311 am cdt sat apr 27 2024/

...gale watch in effect from sunday morning through monday
morning...

.early this morning...northeast winds 15 to 25 knots. rain
showers and isolated thunderstorms. waves 3 to 6 feet
occasionally to 8 feet. 
.today...northeast winds 15 to 25 knots diminishing to 5 to
15 knots in the afternoon, then becoming west 10 to 20 knots
late. rain showers and isolated thunderstorms through early
afternoon, then isolated rain showers by mid afternoon. waves
subsiding to 1 to 3 feet. 
.tonight...northwest winds 10 to 20 knots veering north after
midnight, then becoming northeast 15 to 25 knots late. a slight
chance of rain showers through midnight. waves subsiding to calm
to 2 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.sunday...northeast gales to 35 knots becoming east gales to
40 knots in the afternoon, then backing northeast late. a chance
of rain showers. waves building to 10 to 14 feet occasionally to
18 feet. 
.sunday night...east gales to 40 knots. rain showers. waves 10 to
14 feet occasionally to 18 feet. 
.monday...northeast gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. rain showers likely. waves subsiding
to 4 to 7 feet occasionally to 9 feet. 
.monday night...west winds 10 to 20 knots. waves subsiding to
1 to 3 feet. 
.tuesday...southwest winds 10 to 20 knots backing east. rain
showers likely. waves subsiding to calm to 2 feet, then building
to 1 to 3 feet. 
.wednesday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 270811
glfls 
expires:202404271615;;452690

open lake forecast for lake superior
national weather service marquette mi
411 am edt sat apr 27 2024

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.5 inches over southwest minnesota 
will weaken to 29.6 inches as it tracks northeast, crossing western 
lake superior today and exiting northern lake superior by evening. 
during tonight and sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure slowly lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day on monday 
at 29.7 inches. as the low moves over northern ontario monday night, 
a weak 29.9 inch ridge will shift east across the mississippi 
valley. on tuesday, the ridge will move toward the appalachians as 
the next low pressure of 29.6 inches tracks from the dakotas to 
northern minnesota. this low will pass just north of lake superior 
on wednesday. in its wake, a 29.9 inch ridge will shift east to the 
western great lakes by wednesday evening. 


lsz263-271615-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
411 am edt sat apr 27 2024

...gale watch in effect from sunday afternoon through monday
afternoon...

.early this morning...east winds 10 to 20 knots. rain showers and
isolated thunderstorms. waves 4 to 8 feet occasionally to
10 feet subsiding to 4 to 7 feet occasionally to 9 feet. 
.today...east winds 5 to 15 knots becoming north 10 to 20 knots
in the afternoon, then backing west late. scattered rain showers
and isolated thunderstorms. waves subsiding to 2 to 4 feet. 
.tonight...northwest winds 15 to 25 knots veering northeast late.
a slight chance of rain showers through midnight. waves subsiding
to 1 to 3 feet, then building to 3 to 6 feet occasionally to
8 feet. 
.sunday...northeast winds 15 to 25 knots increasing to gales to
35 knots. a chance of rain showers by mid afternoon. waves
building to 8 to 11 feet occasionally to 14 feet. 
.sunday night...east gales to 40 knots. rain showers. waves 7 to 
10 feet occasionally to 13 feet building to 10 to 14 feet 
occasionally to 18 feet. 
.monday...east gales to 35 knots diminishing to 20 to 30 knots by
mid afternoon. rain showers likely. waves subsiding to 6 to
9 feet occasionally to 11 feet. 
.monday night...southwest winds 10 to 20 knots. waves subsiding
to 2 to 4 feet. 
.tuesday...west winds 5 to 15 knots becoming southeast 10 to
20 knots. rain showers likely. waves subsiding to calm to 2 feet,
then building to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 270811
glfls 
expires:202404271615;;452691

open lake forecast for lake superior
national weather service marquette mi
411 am edt sat apr 27 2024

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.5 inches over southwest minnesota 
will weaken to 29.6 inches as it tracks northeast, crossing western 
lake superior today and exiting northern lake superior by evening. 
during tonight and sunday, 30.4 inch high pressure will build over 
northern ontario as a 29.6 inch low pressure slowly lifts northeast 
across the central plains. this low will continue to track 
northeast, crossing western lake superior late in the day on monday 
at 29.7 inches. as the low moves over northern ontario monday night, 
a weak 29.9 inch ridge will shift east across the mississippi 
valley. on tuesday, the ridge will move toward the appalachians as 
the next low pressure of 29.6 inches tracks from the dakotas to 
northern minnesota. this low will pass just north of lake superior 
on wednesday. in its wake, a 29.9 inch ridge will shift east to the 
western great lakes by wednesday evening. 


lsz264-271615-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
411 am edt sat apr 27 2024

...gale watch in effect from sunday evening through monday
afternoon...

.early this morning...southeast winds 15 to 25 knots. scattered
rain showers and isolated thunderstorms. waves 5 to 9 feet
occasionally to 11 feet. 
.today...southeast winds 15 to 25 knots becoming south 10 to
20 knots in the afternoon, then veering west late. scattered rain
showers and isolated thunderstorms. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.tonight...northwest winds 20 to 30 knots becoming north 15 to
25 knots after midnight. a slight chance of rain showers through
midnight. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...northeast winds 15 to 25 knots increasing to 20 to
30 knots late. rain showers likely by mid afternoon. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet. 
.sunday night...east gales to 40 knots. rain showers. waves
building to 10 to 14 feet occasionally to 18 feet. 
.monday...east gales to 35 knots diminishing to 20 to 30 knots by
mid afternoon. rain showers. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 
.monday night...south winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.tuesday...southwest winds 5 to 15 knots becoming southeast 10 to
20 knots. a chance of rain showers. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$