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fzus61 kbuf 230831
glflo 
expires:202405231530;;709653

open lake forecast for lake ontario
national weather service buffalo ny
431 am edt thu may 23 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 29.9 inch high over the upper mississippi valley 
will build east across the great lakes region through friday. a 
29.5 inch low near lake superior friday night will weaken as it 
tracks into southern quebec while sending a cold front through the
lakes. a 29.9 inch high will then build in saturday night and 
remain over the area through sunday. a 29.3 inch low will track 
into the central great lakes, causing showers to overspread the 
lake as the associated warm front tracks across the region.


loz062-231530-
lake ontario open waters from the niagara river to hamlin beach-
431 am edt thu may 23 2024

.today...southwest winds 5 to 10 knots. waves 1 to 2 feet. 
.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet. 
.friday...west winds 5 to 10 knots. waves 2 feet or less. 
.friday night...northwest winds 5 to 15 knots becoming east.
waves 2 feet or less. 
.saturday...east winds 5 to 15 knots becoming northwest. a chance
of showers. waves 1 to 3 feet. 
.sunday...north winds 5 to 15 knots becoming east. a chance of
showers sunday night. waves 1 to 3 feet. 
.monday...east winds 10 to 15 knots becoming southwest. showers
and thunderstorms likely during the day, then showers likely with
a chance of thunderstorms monday night. waves 2 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 230831
glflo 
expires:202405231530;;709654

open lake forecast for lake ontario
national weather service buffalo ny
431 am edt thu may 23 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 29.9 inch high over the upper mississippi valley 
will build east across the great lakes region through friday. a 
29.5 inch low near lake superior friday night will weaken as it 
tracks into southern quebec while sending a cold front through the
lakes. a 29.9 inch high will then build in saturday night and 
remain over the area through sunday. a 29.3 inch low will track 
into the central great lakes, causing showers to overspread the 
lake as the associated warm front tracks across the region.


loz063>065-231530-
lake ontario open waters from hamlin beach to the saint lawrence
river-
431 am edt thu may 23 2024

.today...west winds 5 to 10 knots. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 10 knots. waves 1 to 2 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.friday night...west winds 5 to 15 knots becoming east. waves
1 to 3 feet. 
.saturday...east winds 5 to 15 knots becoming west. showers
likely with scattered thunderstorms. waves 2 feet or less. 
.sunday...northwest winds 5 to 10 knots becoming east. a chance
of showers sunday night. waves 2 feet or less. 
.monday...southeast winds 10 to 15 knots becoming southwest 15 to
20 knots. showers and thunderstorms likely during the day, then
showers likely with a chance of thunderstorms monday night. waves
1 to 3 feet building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 230837
glfle 
expires:202405231500;;710190

open lake forecast for lake erie
national weather service cleveland oh
437 am edt thu may 23 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...
high pressure 30.00 inches will briefly build over lake erie as a
cold front slows over the ohio valley today. the front will lift
north as a warm front friday and cross the lake friday night as
low pressure 20.60 inches tracks northeast across the upper
midwest. the low will sweep a cold front east across lake erie
saturday with the front lifting north as a warm front as low 
pressure 29.40 inches moves northeast from the central plains into
the mississippi valley sunday. the low will track across the 
central great lakes monday, likely pushing a cold front across the
lake.


lez165>167-231500-
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-
437 am edt thu may 23 2024

.today...southwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tonight...southwest winds 10 knots or less. waves 1 foot or
less. 
.friday...southwest winds 10 knots or less becoming northeast.
waves 2 feet or less. 
.friday night...east winds 10 to 15 knots becoming southeast. a
chance of showers overnight. waves 1 to 2 feet. 
.saturday...south winds 5 to 15 knots becoming north. showers
likely with a chance of thunderstorms during the day. waves 1 to
3 feet. 
.sunday...east winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers during the day, then showers likely
with a chance of thunderstorms sunday night. waves 1 to 3 feet. 
.monday...south winds 15 to 20 knots becoming west. showers
likely with a chance of thunderstorms during the day, then
showers likely monday night. waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 230837
glfle 
expires:202405231500;;710189

open lake forecast for lake erie
national weather service cleveland oh
437 am edt thu may 23 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...
high pressure 30.00 inches will briefly build over lake erie as a
cold front slows over the ohio valley today. the front will lift
north as a warm front friday and cross the lake friday night as
low pressure 20.60 inches tracks northeast across the upper
midwest. the low will sweep a cold front east across lake erie
saturday with the front lifting north as a warm front as low 
pressure 29.40 inches moves northeast from the central plains into
the mississippi valley sunday. the low will track across the 
central great lakes monday, likely pushing a cold front across the
lake.


lez162>164-231500-
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-
437 am edt thu may 23 2024

.today...southwest winds 5 to 10 knots becoming southeast. waves
1 foot or less. 
.tonight...southeast winds less than 10 knots becoming west.
waves 1 foot or less. 
.friday...south winds 10 knots or less becoming east. waves
2 feet or less. 
.friday night...east winds 10 to 15 knots becoming south. a
chance of showers in the evening, then a chance of showers and
thunderstorms overnight. waves 1 to 2 feet. 
.saturday...southwest winds 10 to 15 knots becoming northeast. a
chance of showers and thunderstorms during the day. waves 1 to
2 feet. 
.sunday...east winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers and thunderstorms during the day,
then showers and thunderstorms likely sunday night. waves 1 to
3 feet. 
.monday...southwest winds 15 to 25 knots becoming west. showers
likely during the day, then a chance of showers monday night.
waves 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 230837
glfle 
expires:202405231500;;710191

open lake forecast for lake erie
national weather service cleveland oh
437 am edt thu may 23 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...
high pressure 30.00 inches will briefly build over lake erie as a
cold front slows over the ohio valley today. the front will lift
north as a warm front friday and cross the lake friday night as
low pressure 20.60 inches tracks northeast across the upper
midwest. the low will sweep a cold front east across lake erie
saturday with the front lifting north as a warm front as low 
pressure 29.40 inches moves northeast from the central plains into
the mississippi valley sunday. the low will track across the 
central great lakes monday, likely pushing a cold front across the
lake.


lez061-168-169-231500-
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-
437 am edt thu may 23 2024

.today...southwest winds 5 to 15 knots becoming west. waves 1 to
2 feet. 
.tonight...southwest winds 5 to 10 knots. waves 2 feet or less. 
.friday...southwest winds 5 to 10 knots. waves 1 foot or less. 
.friday night...southeast winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...south winds 5 to 15 knots becoming north. showers
likely with a chance of thunderstorms during the day. waves 1 to
3 feet subsiding to 1 foot or less. 
.sunday...northeast winds 5 to 15 knots becoming southeast.
showers likely with a chance of thunderstorms sunday night. waves
1 to 3 feet. 
.monday...south winds 15 to 25 knots becoming west. showers
likely with a chance of thunderstorms. waves 1 to 3 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 230728
glfsc 
expires:202405231530;;705754

lake st clair forecast
national weather service detroit/pontiac mi
328 am edt thu may 23 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 slows over ontario today with modest
southwest gradient winds. winds then flip to the east over the
weekend and remain modest as a surface ridge builds. another wave
ejects across the upper midwest friday into saturday with a
secondary low developing along the system's cold front. active
pattern continues early next week with additional small craft
advisories possible across saginaw bay.


lcz460-231530-
lake st clair-
328 am edt thu may 23 2024

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

$$
fzus63 kdtx 230728
glflh 
expires:202405231530;;705717

open lake forecast for lake huron
national weather service detroit/pontiac mi
328 am edt thu may 23 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 slows over ontario today with modest
southwest gradient winds. winds then flip to the east over the
weekend and remain modest as a surface ridge builds. another wave
ejects across the upper midwest friday into saturday with a
secondary low developing along the system's cold front. active
pattern continues early next week with additional small craft
advisories possible across saginaw bay.


lhz361-231530-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
328 am edt thu may 23 2024

.today...west winds 10 to 15 knots. waves 1 to 3 feet. 
.tonight...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.friday night...east winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. a chance of showers
in the evening...then showers likely after midnight. waves 1 to
3 feet building to 2 to 4 feet after midnight. 
.saturday...east winds 10 to 15 knots becoming west 5 to 10 knots
late in the afternoon...then becoming light and variable late in
the evening. showers likely in the morning...then a chance of
showers late in the morning. waves 3 to 5 feet subsiding to 1 to
3 feet late in the afternoon. 
.sunday...light and variable winds becoming east 5 to 10 knots.
waves 2 feet or less. 
.monday...northeast winds 10 to 15 knots backing to the north
until early morning. a chance of showers. waves 1 to 3 feet
building to 2 to 4 feet. 


$$
fzus63 kdtx 230728
glflh 
expires:202405231530;;705718

open lake forecast for lake huron
national weather service detroit/pontiac mi
328 am edt thu may 23 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 slows over ontario today with modest
southwest gradient winds. winds then flip to the east over the
weekend and remain modest as a surface ridge builds. another wave
ejects across the upper midwest friday into saturday with a
secondary low developing along the system's cold front. active
pattern continues early next week with additional small craft
advisories possible across saginaw bay.


lhz362-363-231530-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
328 am edt thu may 23 2024

.today...southwest winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the afternoon. 
.tonight...southwest winds 5 to 10 knots. waves 1 to 3 feet. 
.friday...northeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming north 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.friday night...east winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. a chance of showers
after midnight. waves 1 to 3 feet building to 2 to 4 feet after
midnight. 
.saturday...southeast winds 10 to 15 knots veering to the south
late in the morning...then becoming northwest 5 to 10 knots late
in the afternoon. showers likely in the morning. waves 3 to
5 feet subsiding to 1 to 3 feet late in the afternoon. 
.sunday...north winds 5 to 10 knots veering to the northeast
until early evening...then increasing to 10 to 15 knots in the
late evening and early morning. a chance of showers in the late
evening and early morning. waves 1 to 3 feet. 
.monday...northeast winds 10 to 15 knots backing to the north
early in the evening...then backing to the west in the late
evening and early morning. a chance of showers and thunderstorms
until afternoon...then a chance of showers until early morning.
waves 2 to 4 feet. 


$$
fzus63 kdtx 230728
glflh 
expires:202405231530;;705719

open lake forecast for lake huron
national weather service detroit/pontiac mi
328 am edt thu may 23 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 slows over ontario today with modest
southwest gradient winds. winds then flip to the east over the
weekend and remain modest as a surface ridge builds. another wave
ejects across the upper midwest friday into saturday with a
secondary low developing along the system's cold front. active
pattern continues early next week with additional small craft
advisories possible across saginaw bay.


lhz462>464-231530-
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-
328 am edt thu may 23 2024

.today...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 10 knots. waves 2 feet or less. 
.friday...light and variable winds becoming north 5 to 10 knots
early in the afternoon. waves 2 feet or less. 
.friday night...northeast winds 5 to 10 knots becoming east 10 to
15 knots after midnight. waves 1 to 3 feet. 
.saturday...southeast winds 10 to 15 knots veering to the south
late in the morning...then becoming northwest 5 to 10 knots late
in the afternoon. showers likely...then a chance of showers late
in the afternoon. waves 1 to 3 feet. 
.sunday...northeast winds 5 to 10 knots becoming east 10 to
15 knots. a chance of showers and thunderstorms until early
morning. waves 1 to 3 feet. 
.monday...east winds 10 to 15 knots veering to the west in the
late evening and early morning. showers likely and a chance of
thunderstorms. waves 2 to 4 feet. 


$$
fzus63 kmkx 230751
glflm 
expires:202405231515;;707048

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 am cdt thu may 23 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...

high pressure around 29.9 inches will drift across the great lakes
today. light to modest westerly winds will prevail over the 
entire lake. winds will become east-southeast on friday as a low 
pressure trough around 29.5 inches approaches from wisconsin.
thunderstorms are likely along this trough friday afternoon and
night. winds will shift to the west in the wake of the trough 
saturday morning and high pressure around 29.9 inches will 
overspread the lake michigan. low pressure around 29.3 inches 
will slide across the midwest sunday and across lower michigan 
monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-231515-
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-
251 am cdt thu may 23 2024

sheboygan wi to pentwater mi south...

.today...southwest winds 10 to 20 kt becoming south. waves 1 to
3 ft. 
.tonight...southeast winds 10 to 20 kt diminishing to 5 to 10 kt.
waves 1 to 3 ft subsiding to 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers and thunderstorms in the afternoon. waves 2 to
4 ft. 
.friday night...south winds 10 to 20 kt becoming southwest.
showers and thunderstorms. waves 2 to 4 ft. 
.saturday...west winds 10 to 20 kt. waves 2 to 4 ft. 
.saturday night...southeast winds 10 to 15 kt becoming east 5 to
10 kt. waves 1 to 2 ft. 
.sunday...east winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 3 ft building to 2 to 4 ft. 
.monday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of showers. waves 3 to 5 ft.  

$$
fzus63 kmkx 230751
glflm 
expires:202405231515;;707047

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
251 am cdt thu may 23 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...

high pressure around 29.9 inches will drift across the great lakes
today. light to modest westerly winds will prevail over the 
entire lake. winds will become east-southeast on friday as a low 
pressure trough around 29.5 inches approaches from wisconsin.
thunderstorms are likely along this trough friday afternoon and
night. winds will shift to the west in the wake of the trough 
saturday morning and high pressure around 29.9 inches will 
overspread the lake michigan. low pressure around 29.3 inches 
will slide across the midwest sunday and across lower michigan 
monday.


lmz261-362-364-366-563-565-567-868-231515-
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-
251 am cdt thu may 23 2024

sheboygan wi to pentwater mi north...

.today...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then veering to northeast 5 to 10 kt after
midnight. waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers and thunderstorms in the afternoon. waves 1 to
3 ft. 
.friday night...southeast winds 15 to 25 kt becoming south.
showers and thunderstorms. waves 3 to 5 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft subsiding to 1 to 3 ft. 
.saturday night...south winds 10 to 20 kt becoming southeast 5 to
10 kt. waves 1 to 3 ft. 
.sunday...east winds 10 to 15 kt becoming northeast 10 to 20 kt.
waves 1 to 3 ft. 
.monday...north winds 10 to 20 kt increasing to 15 to 25 kt.
chance of showers. waves 2 to 4 ft.  

$$
fzus63 kmqt 230755
glfls 
expires:202405231600;;707149

open lake forecast for lake superior
national weather service marquette mi
355 am edt thu may 23 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...a 29.4 inch low pressure currently over james bay 
will continue to weaken and slowly drift northeast today. in its
wake, 29.9 inch ridging will build across lake superior today. 
this ridging shifts east as a 29.7 inch low lifts northeast 
through the northern plains thursday night into friday. weak 
troughing of 29.8 inches moves over lake superior by saturday. by 
sunday, the troughing will move northeast over northern ontario as
another low of 29.4 inches lifts from the southern plains towards
the upper great lakes. this low moves over lower michigan monday 
morning and becomes centered over lake huron monday evening. 


lsz265-231600-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
355 am edt thu may 23 2024

.early this morning...west winds 10 to 20 knots. waves 1 to
3 feet. 
.today...west winds 10 to 20 knots veering northwest late. waves
subsiding to calm to 2 feet. 
.tonight...north winds 5 to 15 knots veering east late. waves
calm to 2 feet. 
.friday...east winds 5 to 15 knots increasing to 15 to 25 knots.
a slight chance of rain showers by mid afternoon. waves building
to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots veering southwest
after midnight. showers and a slight chance of thunderstorms.
waves building to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. a chance of showers. waves subsiding
to calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...east winds 5 to 15 knots becoming north 10 to 20 knots.
waves calm to 2 feet. 
.monday...north winds 10 to 20 knots backing northwest. a chance
of showers. waves calm to 2 feet. 

$$
fzus63 kmqt 230755
glfls 
expires:202405231600;;707150

open lake forecast for lake superior
national weather service marquette mi
355 am edt thu may 23 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...a 29.4 inch low pressure currently over james bay 
will continue to weaken and slowly drift northeast today. in its
wake, 29.9 inch ridging will build across lake superior today. 
this ridging shifts east as a 29.7 inch low lifts northeast 
through the northern plains thursday night into friday. weak 
troughing of 29.8 inches moves over lake superior by saturday. by 
sunday, the troughing will move northeast over northern ontario as
another low of 29.4 inches lifts from the southern plains towards
the upper great lakes. this low moves over lower michigan monday 
morning and becomes centered over lake huron monday evening. 


lsz266-231600-
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-
355 am edt thu may 23 2024

.early this morning...west winds 15 to 25 knots. waves 4 to
7 feet occasionally to 9 feet. 
.today...west winds 15 to 25 knots becoming northwest 10 to
20 knots late. waves subsiding to 2 to 4 feet. 
.tonight...northwest winds 5 to 15 knots veering north after
midnight. waves subsiding to calm to 2 feet. 
.friday...east winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. waves building to 1 to 3 feet. 
.friday night...east winds 15 to 25 knots veering southeast after
midnight. showers and a slight chance of thunderstorms. waves
building to 3 to 6 feet occasionally to 8 feet. 
.saturday...west winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. a chance of showers. waves subsiding
to 2 to 4 feet. 
.saturday night...south winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.sunday...east winds 5 to 15 knots becoming northeast 10 to
20 knots. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots becoming northwest 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 

$$
fzus63 kmqt 230755
glfls 
expires:202405231600;;707147

open lake forecast for lake superior
national weather service marquette mi
355 am edt thu may 23 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...a 29.4 inch low pressure currently over james bay 
will continue to weaken and slowly drift northeast today. in its
wake, 29.9 inch ridging will build across lake superior today. 
this ridging shifts east as a 29.7 inch low lifts northeast 
through the northern plains thursday night into friday. weak 
troughing of 29.8 inches moves over lake superior by saturday. by 
sunday, the troughing will move northeast over northern ontario as
another low of 29.4 inches lifts from the southern plains towards
the upper great lakes. this low moves over lower michigan monday 
morning and becomes centered over lake huron monday evening. 


lsz263-231600-
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-
355 am edt thu may 23 2024

.early this morning...west winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...west winds 15 to 25 knots becoming southwest 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.tonight...east winds 5 to 15 knots increasing to 15 to 25 knots.
waves building to 3 to 5 feet occasionally to 7 feet. 
.friday...east winds 15 to 25 knots increasing to 20 to 30 knots
late. a chance of rain showers. a slight chance of thunderstorms
by mid afternoon. waves building to 4 to 7 feet occasionally to
9 feet. 
.friday night...east winds 15 to 25 knots veering southwest after
midnight. rain showers through midnight. a slight chance of
thunderstorms. a chance of rain showers after midnight. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...southwest winds 15 to 25 knots. waves subsiding to
3 to 5 feet occasionally to 7 feet. 
.saturday night...southwest winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots backing northwest. a chance
of rain showers. waves building to 1 to 3 feet. 

$$
fzus63 kmqt 230755
glfls 
expires:202405231600;;707146

open lake forecast for lake superior
national weather service marquette mi
355 am edt thu may 23 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...a 29.4 inch low pressure currently over james bay 
will continue to weaken and slowly drift northeast today. in its
wake, 29.9 inch ridging will build across lake superior today. 
this ridging shifts east as a 29.7 inch low lifts northeast 
through the northern plains thursday night into friday. weak 
troughing of 29.8 inches moves over lake superior by saturday. by 
sunday, the troughing will move northeast over northern ontario as
another low of 29.4 inches lifts from the southern plains towards
the upper great lakes. this low moves over lower michigan monday 
morning and becomes centered over lake huron monday evening. 


lsz162-231600-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
355 am edt thu may 23 2024 /255 am cdt thu may 23 2024/

.early this morning...west winds 10 to 20 knots. waves 1 to
3 feet. 
.today...west winds 5 to 15 knots backing south late. waves
subsiding to calm to 2 feet. 
.tonight...east winds 5 to 15 knots increasing to 15 to 25 knots.
waves building to 3 to 6 feet occasionally to 8 feet. 
.friday...east winds 20 to 30 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible in the afternoon. a
chance of rain showers through early afternoon, then rain showers
likely and a slight chance of thunderstorms by mid afternoon.
waves building to 7 to 10 feet occasionally to 13 feet. 
.friday night...east winds 20 to 30 knots becoming west 15 to
25 knots after midnight. rain showers through midnight. a slight
chance of thunderstorms. a chance of rain showers after midnight.
waves subsiding to 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet. 
.saturday night...southwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots. waves calm to 2 feet. 
.monday...north winds 10 to 20 knots backing northwest. a chance
of showers. waves calm to 2 feet. 

$$
fzus63 kmqt 230755
glfls 
expires:202405231600;;707151

open lake forecast for lake superior
national weather service marquette mi
355 am edt thu may 23 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...a 29.4 inch low pressure currently over james bay 
will continue to weaken and slowly drift northeast today. in its
wake, 29.9 inch ridging will build across lake superior today. 
this ridging shifts east as a 29.7 inch low lifts northeast 
through the northern plains thursday night into friday. weak 
troughing of 29.8 inches moves over lake superior by saturday. by 
sunday, the troughing will move northeast over northern ontario as
another low of 29.4 inches lifts from the southern plains towards
the upper great lakes. this low moves over lower michigan monday 
morning and becomes centered over lake huron monday evening. 


lsz267-231600-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
355 am edt thu may 23 2024

.early this morning...west winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...west winds 20 to 30 knots diminishing to 5 to 15 knots.
waves subsiding to 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming northwest 10 to
20 knots after midnight, then becoming north 5 to 15 knots late.
waves subsiding to calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering east in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet. 
.friday night...east winds 10 to 20 knots becoming southeast
15 to 25 knots after midnight. a chance of showers through
midnight, then showers and a slight chance of thunderstorms after
midnight. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.saturday...south winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. a chance of showers. waves subsiding
to calm to 2 feet. 
.saturday night...south winds 10 to 20 knots backing southeast
after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots backing northeast. waves calm
to 2 feet. 
.monday...north winds 10 to 20 knots. a chance of showers. waves
building to 1 to 3 feet. 

$$
fzus63 kmqt 230755
glfls 
expires:202405231600;;707148

open lake forecast for lake superior
national weather service marquette mi
355 am edt thu may 23 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...a 29.4 inch low pressure currently over james bay 
will continue to weaken and slowly drift northeast today. in its
wake, 29.9 inch ridging will build across lake superior today. 
this ridging shifts east as a 29.7 inch low lifts northeast 
through the northern plains thursday night into friday. weak 
troughing of 29.8 inches moves over lake superior by saturday. by 
sunday, the troughing will move northeast over northern ontario as
another low of 29.4 inches lifts from the southern plains towards
the upper great lakes. this low moves over lower michigan monday 
morning and becomes centered over lake huron monday evening. 


lsz264-231600-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
355 am edt thu may 23 2024

.early this morning...west winds 15 to 25 knots. waves 4 to
7 feet occasionally to 9 feet. 
.today...west winds 15 to 25 knots diminishing to 5 to 15 knots.
waves subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots veering north after midnight,
then veering northeast late. waves subsiding to calm to 2 feet. 
.friday...east winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. a slight chance of rain showers by mid
afternoon. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.friday night...east winds 15 to 25 knots veering south after
midnight. showers and a slight chance of thunderstorms. waves
building to 3 to 6 feet occasionally to 8 feet. 
.saturday...southwest winds 15 to 25 knots. a chance of showers.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday night...southwest winds 5 to 15 knots backing south
after midnight. waves subsiding to calm to 2 feet. 
.sunday...east winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 
.monday...north winds 10 to 20 knots backing northwest. a chance
of showers. waves building to 1 to 3 feet. 

$$
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