fzus61 kbuf 112002
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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 30.3 inch high will settle from lake superior to new 
york state by tuesday morning...then off the east coast by tuesday 
evening. a 29.7 inch low over the central great lakes tuesday night 
will then move to the ottawa valley wednesday...before drifting to 
the eastern seaboard thursday...the gulf of maine friday...and the 
canadian maritimes saturday.


loz062-120300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt mon may 11 2026

.tonight...west winds 5 to 10 knots becoming north. waves 1 foot
or less. 
.tuesday...light and variable winds becoming east 5 to 10 knots.
waves 1 foot or less. 
.tuesday night...east winds 5 to 10 knots becoming southeast and
increasing to 15 to 20 knots. showers. waves 2 feet or less
building to 2 to 3 feet. 
.wednesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers. waves 1 to 3 feet. 
.wednesday night...west winds 10 to 15 knots. showers likely in
the evening, then a chance of showers overnight. waves 1 to
3 feet. 
.thursday...west winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 1 to 2 feet. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 to 2 feet. 
.saturday...southwest winds 10 to 15 knots becoming west. a
chance of showers. waves 1 to 3 feet. 

$$

fzus61 kbuf 112002
glflo 
expires:202605120300;;398805

open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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 30.3 inch high will settle from lake superior to new 
york state by tuesday morning...then off the east coast by tuesday 
evening. a 29.7 inch low over the central great lakes tuesday night 
will then move to the ottawa valley wednesday...before drifting to 
the eastern seaboard thursday...the gulf of maine friday...and the 
canadian maritimes saturday.


loz063>065-120300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt mon may 11 2026

.tonight...west winds 5 to 10 knots becoming north. waves 2 feet
or less. 
.tuesday...north winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tuesday night...east winds 5 to 15 knots becoming southeast
15 to 20 knots. a chance of showers in the evening, then showers
overnight. waves 1 to 3 feet. 
.wednesday...southeast winds 15 to 25 knots becoming southwest
and diminishing to 10 to 15 knots. showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.wednesday night...southwest winds 5 to 15 knots becoming west.
showers in the evening, then a chance of showers overnight. waves
1 to 2 feet. 
.thursday...west winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.friday...northwest winds 5 to 15 knots becoming west. waves 1 to
2 feet. 
.saturday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
337 pm 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 30.20 inches will persist across the region through
tonight. low pressure 29.90 inches will move east through the 
lower great lakes late tuesday into wednesday, extending a cold
front across the area late wednesday. high pressure 30.10 inches
will build into the region thursday into friday.


lez165>167-120215-
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-
337 pm edt mon may 11 2026

.tonight...northeast winds 5 to 10 knots. waves around 1 foot. 
.tuesday...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday night...east winds 10 to 15 knots becoming southwest
15 to 20 knots. a chance of showers in the evening, then showers
overnight. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west. a
chance of showers. waves 3 to 5 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest.
a chance of showers. waves 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...northwest winds 5 to 15 knots becoming south. a chance
of showers friday night. waves 2 feet or less. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 

$$

fzus61 kcle 111937
glfle 
expires:202605120215;;398156

open lake forecast for lake erie
national weather service cleveland oh
337 pm 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 30.20 inches will persist across the region through
tonight. low pressure 29.90 inches will move east through the 
lower great lakes late tuesday into wednesday, extending a cold
front across the area late wednesday. high pressure 30.10 inches
will build into the region thursday into friday.


lez162>164-120215-
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-
337 pm edt mon may 11 2026

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

$$

fzus61 kcle 111937
glfle 
expires:202605120215;;398158

open lake forecast for lake erie
national weather service cleveland oh
337 pm 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 30.20 inches will persist across the region through
tonight. low pressure 29.90 inches will move east through the 
lower great lakes late tuesday into wednesday, extending a cold
front across the area late wednesday. high pressure 30.10 inches
will build into the region thursday into friday.


lez061-168-169-120215-
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-
337 pm edt mon may 11 2026

.tonight...west winds 10 knots or less becoming northeast. waves
1 foot or less. 
.tuesday...east winds less than 10 knots. waves 1 foot or less. 
.tuesday night...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of showers 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.
showers likely. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 foot or less. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.saturday...southwest winds 5 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet. 

$$

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open lake forecast for lake huron
national weather service detroit/pontiac mi
255 pm 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 overnight while maintaining 
light marine winds. the next low pressure system, 29.70 inches, 
moves in late tuesday, bringing stronger winds along with showers 
and thunderstorms.


lhz361-362-120300-
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-
255 pm edt mon may 11 2026

.tonight...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 1 to 3 feet building to
4 to 6 feet in the afternoon. waves occasionally around 8 feet. 
.tuesday night...southeast winds 20 to 25 knots with gusts to
around 30 knots becoming east 15 to 20 knots after midnight.
showers likely in the evening...then a chance of showers after
midnight. waves 8 to 12 feet. waves occasionally around 15 feet. 
.wednesday...north winds 15 to 20 knots backing to the northwest
early in the afternoon. showers in the morning...then showers
likely in the afternoon. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.wednesday night...northwest winds 15 to 20 knots. waves 4 to
6 feet. 
.thursday...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 4 to 6 feet subsiding to 1 to 3 feet late in the
afternoon. waves occasionally around 8 feet. 
.friday...south winds 5 to 10 knots becoming southeast 15 to
20 knots. a chance of showers by midnight. waves 2 feet or less
building to 2 to 4 feet. 
.saturday...southwest winds 10 to 15 knots becoming west 15 to
20 knots early in the evening...then decreasing to 10 to 15 knots
by midnight. a chance of showers early in the morning. waves 2 to
4 feet. 


$$

fzus63 kdtx 111855
glflh 
expires:202605120300;;396755

open lake forecast for lake huron
national weather service detroit/pontiac mi
255 pm 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 overnight while maintaining 
light marine winds. the next low pressure system, 29.70 inches, 
moves in late tuesday, bringing stronger winds along with showers 
and thunderstorms.


lhz363-462>464-120300-
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-
255 pm edt mon may 11 2026

.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 2 feet or less building
to 3 to 5 feet in the afternoon. 
.tuesday night...southeast winds 15 to 20 knots with gusts to
around 30 knots increasing to 20 to 25 knots with gusts to around
30 knots by midnight...then decreasing to 15 to 20 knots after
midnight. a chance of showers. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.wednesday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots early in the afternoon. a chance of showers. waves
3 to 5 feet. 
.wednesday night...northwest winds 20 to 25 knots decreasing to
15 to 20 knots after midnight. a chance of showers in the
evening. waves 4 to 6 feet. waves occasionally around 8 feet. 
.thursday...northwest winds 15 to 20 knots becoming 5 to 10 knots
late in the afternoon...then backing to the northwest late in the
evening. waves 4 to 6 feet subsiding to 1 to 3 feet late in the
evening. waves occasionally around 8 feet. 
.friday...west winds 5 to 10 knots backing to the south in the
late morning and early afternoon...then increasing to 10 to
15 knots . a chance of. waves 1 to 3 feet building to 2 to 4 feet
by midnight. 
.saturday...south winds 10 to 15 knots veering to the west by
midnight. a chance of showers early in the morning. waves 2 to
4 feet. 


$$

fzus63 kdtx 111855
glfsc 
expires:202605120300;;396757

lake st clair forecast
national weather service detroit/pontiac mi
255 pm 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 and overnight while
maintaining light marine winds. the next low pressure system,
29.70 inches, moves in late tuesday, bringing stronger winds
along with showers and thunderstorms.


lcz460-120300-
lake st clair-
255 pm edt mon may 11 2026

.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 10 to 15
knots in the afternoon. mostly sunny in the morning becoming mostly
cloudy. waves 2 feet or less.
.tuesday night...south winds 15 to 20 knots veering to the southwest
after midnight. showers by midnight. a chance of light showers after
midnight. waves 1 to 3 feet.
.wednesday...west winds 15 to 20 knots. partly sunny. waves 1 to 3
feet.
.wednesday night...northwest winds 15 to 20 knots. mostly cloudy.
waves 1 to 3 feet.
.thursday...north winds 15 to 20 knots diminishing to 10 to 15 knots
in the evening. partly cloudy then clearing. waves 2 feet or less.
.friday...south winds 10 to 15 knots. partly cloudy. waves 2 feet or
less.
.saturday...west winds 15 to 20 knots. partly cloudy. a chance of
showers. waves 2 feet or less.

$$