fzus61 kbuf 110802
glflo 
expires:202605111500;;371109

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon may 11 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 30.4 inch high will build from the upper great 
lakes today to the lower great lakes by tuesday before drifting off 
the east coast tuesday night. a 29.7 inch low will then move from 
the central great lakes tuesday night to the lower great lakes 
wednesday before drifting to the eastern seaboard thursday. this low 
will remain over the gulf of maine through friday before moving into 
the canadian maritimes saturday.


loz062-111500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon may 11 2026

.today...northwest winds 5 to 10 knots becoming west. a chance of
showers early. waves 1 foot or less. 
.tonight...west winds 5 to 10 knots becoming northwest. waves
1 foot or less. 
.tuesday...north winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tuesday night...southeast winds 5 to 15 knots. showers. waves
1 to 3 feet. 
.wednesday...south winds 10 to 15 knots becoming west. 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. 
.friday...west winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$

fzus61 kbuf 110802
glflo 
expires:202605111500;;371110

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon may 11 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 30.4 inch high will build from the upper great 
lakes today to the lower great lakes by tuesday before drifting off 
the east coast tuesday night. a 29.7 inch low will then move from 
the central great lakes tuesday night to the lower great lakes 
wednesday before drifting to the eastern seaboard thursday. this low 
will remain over the gulf of maine through friday before moving into 
the canadian maritimes saturday.


loz063>065-111500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon may 11 2026

.today...west winds 5 to 15 knots. a chance of showers this
morning. waves 2 feet or less. 
.tonight...west winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.tuesday...north winds 10 knots or less. waves 1 foot or less. 
.tuesday night...east winds 10 knots or less becoming southeast
and increasing to 15 to 20 knots overnight. showers overnight.
waves 1 foot or less building to 1 to 3 feet. 
.wednesday...southeast winds 15 to 25 knots becoming southwest
and diminishing to 5 to 15 knots. showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.thursday...west winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 

$$

fzus61 kcle 110739
glfle 
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open lake forecast for lake erie
national weather service cleveland oh
339 am edt mon may 11 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 30.40 inches will continue building over the great 
lakes region today. this system will move east for tuesday. on 
tuesday afternoon, low pressure 29.60 inches will reach the 
northwest great lakes and extend a warm front over lake erie on 
tuesday night. this low will move southeast on wednesday, deepening 
to 29.50 inches, and extending a cold front across the lake on 
wednesday night. a trough averaging 29.90 inches will remain over 
the lake for thursday. high pressure 30.10 inches will enter for 
thursday night into friday.


lez061-168-169-111415-
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-
339 am edt mon may 11 2026

.today...southeast winds 10 knots or less becoming west. waves
1 foot or less. 
.tonight...northwest 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 likely in the evening, then showers
overnight. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely during the day, then a chance of showers
wednesday night. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...northwest winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.friday...west winds 10 knots or less becoming south. a chance of
showers friday night. waves 1 foot or less. 

$$

fzus61 kcle 110739
glfle 
expires:202605111415;;370535

open lake forecast for lake erie
national weather service cleveland oh
339 am edt mon may 11 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 30.40 inches will continue building over the great 
lakes region today. this system will move east for tuesday. on 
tuesday afternoon, low pressure 29.60 inches will reach the 
northwest great lakes and extend a warm front over lake erie on 
tuesday night. this low will move southeast on wednesday, deepening 
to 29.50 inches, and extending a cold front across the lake on 
wednesday night. a trough averaging 29.90 inches will remain over 
the lake for thursday. high pressure 30.10 inches will enter for 
thursday night into friday.


lez162>164-111415-
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-
339 am edt mon may 11 2026

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

$$

fzus61 kcle 110739
glfle 
expires:202605111415;;370536

open lake forecast for lake erie
national weather service cleveland oh
339 am edt mon may 11 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 30.40 inches will continue building over the great 
lakes region today. this system will move east for tuesday. on 
tuesday afternoon, low pressure 29.60 inches will reach the 
northwest great lakes and extend a warm front over lake erie on 
tuesday night. this low will move southeast on wednesday, deepening 
to 29.50 inches, and extending a cold front across the lake on 
wednesday night. a trough averaging 29.90 inches will remain over 
the lake for thursday. high pressure 30.10 inches will enter for 
thursday night into friday.


lez165>167-111415-
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-
339 am edt mon may 11 2026

.today...south winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.tonight...northeast winds 10 knots or less. waves 1 foot or
less. 
.tuesday...east winds 10 knots or less. waves 1 foot or less. 
.tuesday night...southeast winds 10 to 15 knots becoming
southwest and increasing to 15 to 25 knots. showers. waves 1 to
3 feet building to 3 to 6 feet. 
.wednesday...southwest winds 15 to 20 knots becoming northwest.
showers likely during the day, then a chance of showers wednesday
night. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 2 feet or less. 
.friday...southwest winds 10 knots or less becoming south 10 to
15 knots. a chance of showers friday night. waves 2 feet or less.

$$

fzus63 kdtx 111333
glfsc 
expires:202605112145;;383173

lake st clair forecast
national weather service detroit/pontiac mi
933 am edt mon may 11 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
today and begins drifting eastward tonight while maintaining
light marine winds. the next low pressure system moves in late
tuesday bringing stronger winds and the next pattern of showers
and thunderstorms.


lcz460-112145-
lake st clair-
933 am edt mon may 11 2026

.rest of today...north winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon. partly sunny. waves 2 feet or less.
.tonight...northeast winds 10 to 15 knots becoming light and
variable. 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 cloudy. waves 2
feet or less.
.tuesday night...south winds 15 to 20 knots veering to the southwest
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. partly cloudy with a chance of
light showers. waves 1 to 3 feet.
.thursday...northeast 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 111333
glflh 
expires:202605112145;;383170

open lake forecast for lake huron
national weather service detroit/pontiac mi
933 am edt mon may 11 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
today and begins drifting eastward tonight while maintaining
light marine winds. the next low pressure system moves in late
tuesday bringing stronger winds and the next pattern of showers
and thunderstorms.


lhz361-362-112145-
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-
933 am edt mon may 11 2026

.rest of today...northwest winds 10 to 15 knots becoming north
5 to 10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots in the evening becoming light
and variable. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast 20 to
25 knots with gusts to around 30 knots. showers in the afternoon.
waves 1 to 3 feet building to 5 to 7 feet. waves occasionally
around 10 feet. 
.tuesday night...southeast winds 20 to 25 knots with gusts to
35 knot gales becoming east 15 to 20 knots after midnight.
showers. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...north 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 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
northwest 10 to 15 knots early in the evening backing to the west
by midnight. waves 3 to 5 feet subsiding to 2 feet or less by
midnight. 
.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 south 10 to 15 knots
by midnight. a chance of showers. waves 1 to 3 feet building to
3 to 5 feet . 


$$

fzus63 kdtx 111333
glflh 
expires:202605112145;;383171

open lake forecast for lake huron
national weather service detroit/pontiac mi
933 am edt mon may 11 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
today and begins drifting eastward tonight while maintaining
light marine winds. the next low pressure system moves in late
tuesday bringing stronger winds and the next pattern of showers
and thunderstorms.


lhz363-462>464-112145-
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-
933 am edt mon may 11 2026

.rest of today...north winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...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
4 to 6 feet early in the afternoon. waves occasionally around
8 feet. 
.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...south winds 10 to 15 knots veering to the west late
in the morning...then becoming northwest 15 to 20 knots late in
the afternoon. a chance of showers. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.thursday...northwest winds 15 to 20 knots becoming light and
variable. waves 4 to 6 feet subsiding to 1 to 3 feet by midnight.
waves occasionally around 8 feet. 
.friday...south winds 5 to 10 knots increasing to 10 to 15 knots
. a chance of showers . waves 1 to 3 feet building to 2 to 4 feet
by midnight. 


$$