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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed oct 29 2025

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...expansive 30.5 inch high over central quebec will slowly 
weaken and pull northward today through tonight. a 29.6 inch low 
will then approach the lake from the south later tonight into 
thursday while strengthening to 29.4 inches by late thursday. the 
low will then move over or just east of the lake thursday night 
while continuing to strengthen, before tracking northeast of the 
lake on friday and into the canadian maritimes by saturday, 
deepening to 28.7 inches by saturday. a large 30.4 inch surface high 
will then build across the ohio valley and lower great lakes region 
through sunday.


loz062-291500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt wed oct 29 2025

.today...east winds 15 to 20 knots diminishing to 10 to 15 knots.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.tonight...east winds 10 to 15 knots. a chance of showers late.
waves 2 to 3 feet. 
.thursday...east winds 15 to 25 knots becoming northeast to
30 knots. rain. waves 2 to 3 feet building to 9 to 12 feet. waves
occasionally around 15 feet. 
.thursday night...northeast winds to 30 knots becoming north.
rain. waves 8 to 12 feet subsiding to 6 to 9 feet. waves
occasionally around 15 feet. 
.friday...west gales to 35 knots diminishing to 30 knots. rain
during the day, then showers likely friday night. waves 7 to
10 feet building to 10 to 14 feet. waves occasionally around
18 feet. 
.saturday...northwest winds to 30 knots diminishing to 10 to
15 knots. a chance of showers. waves 7 to 10 feet subsiding to
1 to 3 feet. waves occasionally around 13 feet. 
.sunday...northwest winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers during the day, then showers likely
sunday night. waves 1 to 3 feet building to 2 to 4 feet. 

$$

fzus61 kbuf 290802
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed oct 29 2025

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...expansive 30.5 inch high over central quebec will slowly 
weaken and pull northward today through tonight. a 29.6 inch low 
will then approach the lake from the south later tonight into 
thursday while strengthening to 29.4 inches by late thursday. the 
low will then move over or just east of the lake thursday night 
while continuing to strengthen, before tracking northeast of the 
lake on friday and into the canadian maritimes by saturday, 
deepening to 28.7 inches by saturday. a large 30.4 inch surface high 
will then build across the ohio valley and lower great lakes region 
through sunday.


loz063>065-291500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt wed oct 29 2025

.today...east winds 5 to 15 knots becoming northeast. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...northeast winds 5 to 10 knots becoming southeast. a
chance of showers late. waves 2 feet or less. 
.thursday...southeast winds 10 to 15 knots becoming northeast and
increasing to 30 knots in the afternoon. rain. waves 1 to 3 feet
building to 7 to 10 feet. waves occasionally around 13 feet. 
.thursday night...northeast winds to 30 knots becoming north.
rain. waves 7 to 11 feet subsiding to 6 to 9 feet. waves
occasionally around 14 feet. 
.friday...northwest winds to 30 knots becoming west and
increasing to 35 knot gales. rain during the day, then showers
friday night. waves 7 to 10 feet building to 12 to 17 feet. waves
occasionally around 22 feet. 
.saturday...northwest winds to 30 knots diminishing to 10 to
15 knots. showers likely during the day, then a chance of showers
saturday night. waves 10 to 13 feet subsiding to 2 to 4 feet.
waves occasionally around 16 feet. 
.sunday...northwest winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers during the day, then showers likely
sunday night. waves 1 to 3 feet building to 2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
421 am edt wed oct 29 2025

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...
low pressure 29.60 inches will deepen to 29.40 inches as it moves
to the upper ohio valley by thursday afternoon. the system will
continue to deepen as it merges with a coastal low over the new 
england states on friday before departing for the weekend, leaving
a trough averaging 30.00 inches across the region.


lez061-167>169-291445-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
421 am edt wed oct 29 2025

...gale watch in effect from thursday morning through thursday
evening...

.today...east winds 15 to 25 knots becoming northeast. waves 2 to
4 feet building to 3 to 6 feet. 
.tonight...east winds 15 to 25 knots. a chance of rain late in
the evening. rain after midnight. waves 4 to 7 feet subsiding to
3 to 6 feet. waves occasionally around 9 feet. 
.thursday...northeast winds to 30 knots increasing to 35 knot
gales in the afternoon. rain. waves 5 to 8 feet building to 10 to
13 feet. waves occasionally around 16 feet. 
.thursday night...northeast winds to 30 knots becoming northwest.
rain. waves 9 to 12 feet subsiding to 7 to 10 feet. waves
occasionally around 15 feet. 
.friday...west gales to 35 knots diminishing to 30 knots. rain.
waves 7 to 10 feet building to 9 to 12 feet, then subsiding to
6 to 9 feet. waves occasionally around 15 feet. 
.saturday...west winds 15 to 25 knots becoming northwest and
diminishing to around 10 knots. rain likely. waves 4 to 7 feet
subsiding to 1 to 3 feet. waves occasionally around 9 feet. 
.sunday...west winds 5 to 15 knots becoming southwest and
increasing to 30 knots. rain likely. waves 1 to 3 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 

$$