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fzus61 kbuf 101402
glflo 
expires:202605102100;;328713

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sun may 10 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 29.4 inch area of low pressure over western quebec 
this morning will move to northern quebec early monday. a 30.4 inch 
high will then build from the upper great lakes monday to the lower 
great lakes by tuesday. a 29.8 inch low will move across the great 
lakes wednesday, passing near or just to the north of the lake 
wednesday evening. a 30.1 inch area of high pressure will advance 
from the western great lakes region wednesday night to cresting 
over the lake thursday night and early friday.


loz063>065-102100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt sun may 10 2026

.this afternoon...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet. 
.tonight...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. waves 1 to 3 feet. 
.monday night...west winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southeast and
increasing to 15 to 20 knots. rain showers tuesday night. waves
2 feet or less. 
.wednesday...southeast winds 15 to 20 knots becoming southwest
10 to 15 knots. showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers. waves 2 feet or less. 

$$
fzus61 kbuf 101402
glflo 
expires:202605102100;;328712

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt sun may 10 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 29.4 inch area of low pressure over western quebec 
this morning will move to northern quebec early monday. a 30.4 inch 
high will then build from the upper great lakes monday to the lower 
great lakes by tuesday. a 29.8 inch low will move across the great 
lakes wednesday, passing near or just to the north of the lake 
wednesday evening. a 30.1 inch area of high pressure will advance 
from the western great lakes region wednesday night to cresting 
over the lake thursday night and early friday.


loz062-102100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt sun may 10 2026

.this afternoon...west winds 10 to 15 knots. waves 1 to 2 feet. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.monday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.monday night...west winds 5 to 10 knots becoming northwest.
waves 2 feet or less. 
.tuesday...west winds 10 knots or less becoming southeast and
increasing to 15 to 20 knots. rain showers tuesday night. waves
1 foot or less building to 1 to 3 feet. 
.wednesday...south winds 15 to 20 knots becoming west 10 to
15 knots. showers. waves 1 to 3 feet. 
.thursday...northwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 to 2 feet. 

$$
fzus61 kcle 101940
glfle 
expires:202605110215;;343199

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt sun may 10 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...
high pressure 30.20 inches will persist across the region through
monday night. low pressure 29.90 inches will move east through 
the lower great lakes late tuesday into wednesday, followed by 
high pressure 30.10 inches on thursday.


lez165>167-110215-
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-
340 pm edt sun may 10 2026

.tonight...south winds 5 to 10 knots becoming west. waves 1 foot
or less. 
.monday...north winds 5 to 10 knots. waves 1 foot or less. 
.monday night...northeast winds 10 knots or less becoming east.
waves 1 foot or less. 
.tuesday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday night...southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots. showers. waves 1 to 3 feet building to
3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming northwest. a
chance of showers wednesday night. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots becoming southwest
5 to 15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.friday...southwest winds 5 to 15 knots. a chance of showers.
waves 2 feet or less. 

$$
fzus61 kcle 101940
glfle 
expires:202605110215;;343200

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt sun may 10 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...
high pressure 30.20 inches will persist across the region through
monday night. low pressure 29.90 inches will move east through 
the lower great lakes late tuesday into wednesday, followed by 
high pressure 30.10 inches on thursday.


lez061-168-169-110215-
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-
340 pm edt sun may 10 2026

.tonight...southwest winds 10 knots or less becoming west. waves
2 feet or less. 
.monday...north winds 5 to 10 knots becoming west. waves 1 foot
or less. 
.monday night...west winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.tuesday...light and variable winds. waves 1 foot or less. 
.tuesday night...southeast winds 5 to 15 knots becoming south
15 to 20 knots. showers. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. a chance of showers. waves 2 to 4 feet. 
.thursday...northwest winds 5 to 15 knots becoming west less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...southwest winds 10 knots or less. a chance of showers
friday night. waves 1 foot or less. 

$$
fzus61 kcle 101940
glfle 
expires:202605110215;;343198

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt sun may 10 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...
high pressure 30.20 inches will persist across the region through
monday night. low pressure 29.90 inches will move east through 
the lower great lakes late tuesday into wednesday, followed by 
high pressure 30.10 inches on thursday.


lez162>164-110215-
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-
340 pm edt sun may 10 2026

.tonight...west winds 5 to 10 knots becoming northwest. waves
1 foot or less. 
.monday...north winds 5 to 10 knots becoming east. waves 1 foot
or less. 
.monday night...east winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. waves
2 feet or less. 
.tuesday night...south winds 10 to 15 knots becoming southwest
and increasing to 15 to 25 knots. showers. waves 1 to 3 feet
building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest. waves
2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. waves 1 to 3 feet subsiding to
1 foot or less. 
.friday...south winds 5 to 15 knots becoming southwest. a chance
of showers friday night. waves 2 feet or less. 

$$
fzus63 kdtx 101940
glfsc 
expires:202605110345;;343202

lake st clair forecast
national weather service detroit/pontiac mi
340 pm edt sun may 10 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...high pressure, 30.30 inches, holds over the region
through monday maintaining lighter winds. the next low pressure
system moves in late tuesday bringing stronger wind and the next
pattern of showers and thunderstorms.


lcz460-110345-
lake st clair-
340 pm edt sun may 10 2026

.tonight...northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. mostly clear. waves 2 feet
or less.
.monday...north winds 5 to 10 knots. mostly sunny. waves 2 feet or
less.
.monday night...northeast winds 10 to 15 knots becoming east 5 to 10
knots in the late evening and overnight. clear. waves 2 feet or
less.
.tuesday...southeast winds 5 to 10 knots becoming south 15 to 20
knots. mostly sunny until late afternoon becoming mostly cloudy. a
chance of light showers early in the afternoon. waves 2 feet or
less.
.tuesday night...south winds 15 to 20 knots increasing to 20 to 25
knots by midnight...then becoming southwest 15 to 20 knots after
midnight. becoming partly cloudy after midnight. showers.. then a
chance of light showers after midnight. waves 1 to 3 feet.
.wednesday...west winds 10 to 15 knots becoming northwest 15 to 20
knots in the afternoon and evening. mostly sunny becoming partly
sunny in the afternoon becoming mostly cloudy. a chance of light
showers. waves 1 to 3 feet.
.thursday...east winds 15 to 20 knots. partly cloudy. waves 2 feet
or less.
.friday...south winds 10 to 15 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$
fzus63 kdtx 101940
glflh 
expires:202605110345;;343195

open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun may 10 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...high pressure, 30.30 inches, holds over the region
through monday maintaining lighter winds. the next low pressure
system moves in late tuesday bringing stronger wind and the next
pattern of showers and thunderstorms.


lhz361-362-110345-
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-
340 pm edt sun may 10 2026

.tonight...northwest winds 10 to 15 knots. waves 2 to 4 feet. 
.monday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.monday night...west winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast 15 to
20 knots. showers in the afternoon. waves 2 feet or less building
to 5 to 7 feet. waves occasionally around 10 feet. 
.tuesday night...southeast winds 20 to 25 knots with gusts to
around 30 knots becoming east 15 to 20 knots after midnight.
showers. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...northeast winds 10 to 15 knots becoming northwest
15 to 20 knots. a chance of showers. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.thursday...northwest winds 10 to 15 knots becoming south by
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet . 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then becoming southeast
15 to 20 knots early in the evening becoming east 10 to 15 knots
by midnight. a chance of showers. waves 1 to 3 feet building to
3 to 5 feet . 


$$
fzus63 kdtx 101940
glflh 
expires:202605110345;;343196

open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun may 10 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...high pressure, 30.30 inches, holds over the region
through monday maintaining lighter winds. the next low pressure
system moves in late tuesday bringing stronger wind and the next
pattern of showers and thunderstorms.


lhz363-462>464-110345-
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-
340 pm edt sun may 10 2026

.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable...then becoming north 5 to 10 knots
after midnight. waves 2 feet or less building to 2 to 4 feet
early in the morning. 
.monday...north winds 5 to 10 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet in the late morning and afternoon. 
.monday night...light and variable winds. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast 15 to
20 knots. showers in the afternoon. waves 1 to 3 feet building to
3 to 5 feet early in the afternoon. 
.tuesday night...southeast winds 20 to 25 knots with gusts to
around 30 knots becoming south 10 to 15 knots after midnight.
showers. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots late in the afternoon. a chance of showers. waves
3 to 5 feet. 
.thursday...northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and early afternoon...then
decreasing to 5 to 10 knots early in the evening veering to the
southeast by midnight. waves 3 to 5 feet subsiding to 1 to 3 feet
by midnight. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
. a chance of showers. waves 2 feet or less building to 2 to
4 feet . 


$$
fzus63 kmkx 101943
glflm 
expires:202605110315;;343335

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 pm cdt sun may 10 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...

high pressure around 30.3 inches is expected to move from 
southern manitoba to over lake michigan by late monday morning. 
relatively light and variable winds are expected through monday
night. low pressure around 29.7 inches should then move gradually
east southeast across or north of lake superior tuesday into 
tuesday night. the low will bring a cold front southeast through 
the region. gusty south to southeast winds are expected ahead of 
the front tuesday, veering west to northwest behind it and 
remaining gusty for tuesday night into wednesday. 

high pressure around 30.2 inches should then move southeast into
the region wednesday night into thursday, bringing lighter winds.



lmz261-362-364-366-563-565-567-868-110315-
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-
243 pm cdt sun may 10 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 20 kt veering to north 10 to
15 kt. slight chance of rain showers. waves 1 to 3 ft. 
.monday...north winds 10 to 15 kt backing to south. waves 1 to
2 ft. 
.monday night...south winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.tuesday...south winds to 30 kt. rain showers. waves 4 to 7 ft 
occasionally to 9 ft building to 7 to 10 ft occasionally to 13 ft.
.tuesday night...southwest winds 15 to 25 kt becoming northwest.
chance of rain showers. waves 6 to 9 ft occasionally to 12 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.wednesday...northwest winds to 30 kt. chance of rain showers in
the morning. waves 3 to 5 ft. 
.wednesday night...north winds to 30 kt becoming northwest 10 to
20 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...northwest winds 10 to 15 kt backing to southwest.
waves 1 to 3 ft. 
.friday...south winds to 30 kt. chance of rain showers. waves
6 to 9 ft occasionally to 12 ft.  

$$
fzus63 kmkx 101943
glflm 
expires:202605110315;;343336

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
243 pm cdt sun may 10 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...

high pressure around 30.3 inches is expected to move from 
southern manitoba to over lake michigan by late monday morning. 
relatively light and variable winds are expected through monday
night. low pressure around 29.7 inches should then move gradually
east southeast across or north of lake superior tuesday into 
tuesday night. the low will bring a cold front southeast through 
the region. gusty south to southeast winds are expected ahead of 
the front tuesday, veering west to northwest behind it and 
remaining gusty for tuesday night into wednesday. 

high pressure around 30.2 inches should then move southeast into
the region wednesday night into thursday, bringing lighter winds.



lmz080-669-671-673-675-777-779-870-872-874-876-878-110315-
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-
243 pm cdt sun may 10 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 20 kt backing to northeast 10 to
15 kt. 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...northeast winds 10 to 15 kt veering to southeast.
waves 1 to 3 ft. 
.tuesday...south winds to 30 kt. rain showers in the morning, 
then rain showers likely in the afternoon. waves 4 to 7 ft 
occasionally to 9 ft building to 7 to 10 ft occasionally to 13 ft.
.tuesday night...southwest winds to 30 kt becoming west 15 to
25 kt. chance of rain showers in the evening. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.wednesday...northwest winds to 30 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.wednesday night...north winds to 30 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.thursday...northwest winds 10 to 15 kt backing to south 10 to
20 kt. waves 2 to 4 ft. 
.friday...south winds 15 to 25 kt increasing to 30 kt. chance of
rain showers. waves 4 to 7 ft occasionally to 9 ft building to
6 to 9 ft occasionally to 12 ft.  

$$
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