fzus61 kbuf 081402
glflo 
expires:202605082100;;220093

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri may 8 2026

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 30.1 inch high will drift off the mid atlantic coast 
through tonight. a weak 29.5 inch low will then move from the upper 
great lakes saturday to western quebec by early sunday before moving 
to northern quebec early monday. meanwhile, a trailing cold front 
will cross the lake sunday night. a 30.4 inch high will then build 
from the upper great lakes monday to the lower great lakes by 
tuesday.


loz063>065-082100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt fri may 8 2026

.this afternoon...west winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.saturday...south winds 5 to 15 knots becoming southeast. a
chance of showers in the afternoon. waves 2 feet or less. 
.saturday night...southeast winds 10 to 15 knots becoming west
15 to 20 knots. showers likely. waves 1 to 3 feet building to
2 to 4 feet. 
.sunday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 
.tuesday...northwest winds 5 to 15 knots becoming south. waves
2 feet or less. 

$$

fzus61 kbuf 081402
glflo 
expires:202605082100;;220092

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri may 8 2026

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 30.1 inch high will drift off the mid atlantic coast 
through tonight. a weak 29.5 inch low will then move from the upper 
great lakes saturday to western quebec by early sunday before moving 
to northern quebec early monday. meanwhile, a trailing cold front 
will cross the lake sunday night. a 30.4 inch high will then build 
from the upper great lakes monday to the lower great lakes by 
tuesday.


loz062-082100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri may 8 2026

.this afternoon...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.saturday...south winds 10 knots or less becoming southeast. a
chance of showers in the afternoon. waves 1 foot or less. 
.saturday night...south winds 10 to 15 knots becoming west. a
chance of showers. waves 1 to 3 feet. 
.sunday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 
.monday...west winds 5 to 15 knots becoming northwest. waves
2 feet or less. 
.tuesday...northwest winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 

$$

fzus61 kcle 081938
glfle 
expires:202605090215;;233838

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt fri may 8 2026

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 weak surface trough 29.80 wavers around through saturday 
morning. a cold front will move through the great lakes late
saturday and saturday night. behind the front, a ridge averaging 
30.10 inches will build over the great lakes and lake erie sunday
through monday. the next low pressure system and trailing cold 
front will move into the great lakes region by the middle of next 
week.



lez165>167-090215-
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-
338 pm edt fri may 8 2026

.tonight...south winds 5 to 10 knots. a chance of showers early,
then a slight chance of showers from late evening on. waves
1 foot or less. 
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms late. waves 1 to 3 feet. 
.saturday night...west winds 5 to 15 knots becoming northwest. a
chance of showers and thunderstorms in the evening. waves 1 to
3 feet. 
.sunday...north winds 10 knots or less becoming southeast. waves
2 feet or less. 
.sunday night...east winds 10 knots or less becoming north. waves
1 foot or less. 
.monday...north winds 5 to 15 knots. waves 1 to 2 feet. 
.tuesday...north winds less than 10 knots becoming south and
increasing to 15 to 20 knots. showers likely tuesday night. waves
1 to 3 feet. 
.wednesday...south winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 081938
glfle 
expires:202605090215;;233837

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt fri may 8 2026

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 weak surface trough 29.80 wavers around through saturday 
morning. a cold front will move through the great lakes late
saturday and saturday night. behind the front, a ridge averaging 
30.10 inches will build over the great lakes and lake erie sunday
through monday. the next low pressure system and trailing cold 
front will move into the great lakes region by the middle of next 
week.



lez061-168-169-090215-
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-
338 pm edt fri may 8 2026

.tonight...south winds 10 knots or less. a slight chance of
showers from late evening on. waves 1 foot or less. 
.saturday...south winds 5 to 15 knots becoming southwest. a
chance of showers and thunderstorms late. waves 2 feet or less. 
.saturday night...southwest winds 5 to 15 knots becoming west.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 1 to 3 feet. 
.sunday...northwest winds 10 knots or less becoming west. waves
2 feet or less. 
.sunday night...west winds 10 knots or less becoming north. waves
1 foot or less. 
.monday...north winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...northwest winds less than 10 knots becoming southeast
10 to 15 knots. rain showers likely tuesday night. waves 2 feet
or less. 
.wednesday...southeast winds 5 to 15 knots becoming north. a
chance of showers during the day. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 081938
glfle 
expires:202605090215;;233836

open lake forecast for lake erie
national weather service cleveland oh
338 pm edt fri may 8 2026

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 weak surface trough 29.80 wavers around through saturday 
morning. a cold front will move through the great lakes late
saturday and saturday night. behind the front, a ridge averaging 
30.10 inches will build over the great lakes and lake erie sunday
through monday. the next low pressure system and trailing cold 
front will move into the great lakes region by the middle of next 
week.



lez162>164-090215-
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-
338 pm edt fri may 8 2026

.tonight...southwest winds 5 to 15 knots. a chance of showers
early, then a slight chance of showers late this evening. waves
2 feet or less. 
.saturday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers with a slight chance of
thunderstorms early in the afternoon. a chance of showers and
thunderstorms late. waves 1 to 3 feet. 
.saturday night...west winds 5 to 15 knots becoming north. a
chance of showers in the evening. waves 1 to 3 feet subsiding to
1 foot or less. 
.sunday...north winds 10 knots or less becoming east. waves
1 foot or less. 
.sunday night...east winds 5 to 15 knots becoming north. waves
2 feet or less. 
.monday...north winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.tuesday...southeast winds 10 knots or less becoming south and
increasing to 15 to 20 knots. showers tuesday night. waves 2 feet
or less building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 081943
glfsc 
expires:202605090345;;234049

lake st clair forecast
national weather service detroit/pontiac mi
343 pm edt fri may 8 2026

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...light southerly winds today organize and increase out
of the southwest early saturday morning. a low pressure system,
29.50 inches, tracking along lake superior tonight will drive a
cold front through the area saturday evening bringing shower and
thunderstorm chances to the great lakes. high pressure returns on
sunday.


lcz460-090345-
lake st clair-
343 pm edt fri may 8 2026

.tonight...south winds 10 to 15 knots becoming southwest 5 to 10
knots after midnight. partly cloudy. waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots increasing to 15 to 20
knots. partly sunny. light showers likely and a chance of
thunderstorms early in the afternoon. a chance of showers and
thunderstorms late in the afternoon. waves 1 to 3 feet.
.saturday night...west winds 15 to 20 knots becoming north 5 to 10
knots in the late evening and overnight. mostly clear. waves 2 feet
or less.
.sunday...north winds 5 to 10 knots. mostly sunny. waves 2 feet or
less.
.sunday night...north winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.monday...north winds 10 to 15 knots. sunny becoming mostly sunny in
the afternoon becoming partly cloudy. waves 2 feet or less.
.tuesday...southeast winds 10 to 15 knots. partly cloudy. showers
likely. waves 2 feet or less.
.wednesday...north winds 15 to 20 knots. mostly cloudy. showers
likely. waves 1 to 3 feet.

$$

fzus63 kdtx 081942
glflh 
expires:202605090345;;234004

open lake forecast for lake huron
national weather service detroit/pontiac mi
342 pm edt fri may 8 2026

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...light southerly winds today organize and increase out
of the southwest early saturday morning. a low pressure system,
29.50 inches, tracking along lake superior tonight will drive a
cold front through the area saturday evening bringing shower and
thunderstorm chances to the great lakes. high pressure returns on
sunday.


lhz361-362-090345-
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-
342 pm edt fri may 8 2026

.tonight...southeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. a chance of showers after
midnight. waves 1 to 3 feet. 
.saturday...south winds 10 to 15 knots veering to the southwest
in the afternoon. a chance of showers in the morning. waves 2 to
4 feet. 
.saturday night...northwest winds 15 to 20 knots. waves 4 to
6 feet. 
.sunday...west winds 10 to 15 knots. waves 3 to 5 feet. waves
occasionally around 8 feet. 
.sunday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. waves 3 to 5 feet. 
.monday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. waves 2 to 4 feet. 
.tuesday...light and variable winds becoming southeast 5 to
10 knots in the late morning and early afternoon...then becoming
east 10 to 15 knots early in the evening becoming southeast 5 to
10 knots by midnight. a chance of showers . waves 1 to 3 feet. 
.wednesday...northeast winds 10 to 15 knots becoming north 5 to
10 knots . a chance of showers early in the morning. waves 1 to
3 feet. 


$$

fzus63 kdtx 081942
glflh 
expires:202605090345;;234005

open lake forecast for lake huron
national weather service detroit/pontiac mi
342 pm edt fri may 8 2026

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...light southerly winds today organize and increase out
of the southwest early saturday morning. a low pressure system,
29.50 inches, tracking along lake superior tonight will drive a
cold front through the area saturday evening bringing shower and
thunderstorm chances to the great lakes. high pressure returns on
sunday.


lhz363-462>464-090345-
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-
342 pm edt fri may 8 2026

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


$$

fzus63 kmkx 081940
glflm 
expires:202605090315;;233890

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
240 pm cdt fri may 8 2026

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 29.6 inches along the minnesota and canadian
border will move across lake superior tonight. its cold front will
move across lake michigan saturday morning. modest to breezy 
south winds will develop this afternoon before shifting southwest
late tonight, and west on saturday with the cold frontal passage.
another cold front will then shift the winds to northerly saturday
night. high pressure around 30.3 inches is then expected to move 
from southern manitoba on sunday to over lake michigan by monday 
afternoon. relatively light and variable winds are expected early
next week. 


lmz261-362-364-366-563-565-567-868-090315-
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-
240 pm cdt fri may 8 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 15 to 25 kt becoming southwest. slight
chance of rain showers. waves 3 to 5 ft. 
.saturday...west winds 10 to 20 kt becoming northwest. slight
chance of rain showers in the afternoon. waves 3 to 5 ft
subsiding to 1 to 3 ft. 
.saturday night...north winds 10 to 20 kt becoming west 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.sunday...west winds 10 to 20 kt becoming northwest. waves 1 to
3 ft. 
.sunday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 2 ft. 
.monday...northwest winds 10 to 15 kt backing to southwest. waves
1 to 2 ft. 
.monday night...south winds 10 to 15 kt becoming southeast. waves
1 ft or less. 
.tuesday...south winds 15 to 25 kt becoming southeast to 30 kt.
chance of rain showers. waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft.  

$$

fzus63 kmkx 081940
glflm 
expires:202605090315;;233891

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
240 pm cdt fri may 8 2026

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 29.6 inches along the minnesota and canadian
border will move across lake superior tonight. its cold front will
move across lake michigan saturday morning. modest to breezy 
south winds will develop this afternoon before shifting southwest
late tonight, and west on saturday with the cold frontal passage.
another cold front will then shift the winds to northerly saturday
night. high pressure around 30.3 inches is then expected to move 
from southern manitoba on sunday to over lake michigan by monday 
afternoon. relatively light and variable winds are expected early
next week. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-090315-
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-
240 pm cdt fri may 8 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming southwest. waves 3 to
5 ft. 
.saturday...southwest winds 10 to 20 kt becoming west. slight
chance of rain showers in the afternoon. waves 2 to 4 ft
subsiding to 1 to 3 ft. 
.saturday night...northwest winds 10 to 15 kt becoming north 5 to
10 kt. waves 1 to 3 ft. 
.sunday...north winds 10 to 15 kt becoming northeast. waves 1 to
2 ft. 
.sunday night...north winds 5 to 10 kt becoming northeast. waves
1 to 2 ft. 
.monday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.monday night...east winds 10 to 15 kt becoming southeast. waves
1 to 2 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. rain
showers likely. waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft. 
.wednesday...north winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft.  

$$