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open lake forecast for lake ontario
national weather service buffalo ny
403 am edt fri apr 24 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 strong 30.7 inch high centered well to the north will 
remain ridged south across the lake through today. a 29.6 inch low 
over the upper great lakes this morning will nudge a warm front 
toward the lake as it moves into the central great lakes this 
afternoon. this low will slightly weaken to 29.7 inches as it passes 
just southwest of lake tonight while nudging the warm front a bit 
further east over the lake. the low then slide southeast into the 
mid atlantic region saturday forcing the front back to the southwest 
of the lake. a 30.2 inch area of high pressure will then build 
across the lower great lakes saturday night through monday. a 29.4 
inch area of low pressure over the great plains monday night, will 
advance northeast into the upper great lakes later monday night into 
tuesday morning while pushing an attendant warm front across the 
lake. the 29.4 inch low will then continue northeast to james bay 
tuesday night sending an attendant cold front across the lake.


loz062-241500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt fri apr 24 2026

.today...east winds 15 to 20 knots. waves 2 to 4 feet. 
.tonight...east winds 15 to 25 knots. a chance of rain showers
after midnight. rain showers likely late. waves 2 to 4 feet
building to 3 to 6 feet. 
.saturday...east winds to 30 knots. rain showers likely. waves
5 to 9 feet. waves occasionally around 11 feet. 
.saturday night...east winds 15 to 25 knots diminishing to 10 to
15 knots. a chance of showers in the evening. waves 5 to 8 feet
subsiding to 1 to 3 feet. waves occasionally around 10 feet. 
.sunday...northeast winds 10 knots or less becoming east. waves
2 feet or less. 
.monday...east winds 5 to 15 knots becoming southeast. waves 1 to
3 feet. 
.tuesday...southeast winds 15 to 20 knots becoming southwest
10 to 15 knots. showers likely. waves 2 to 4 feet subsiding to
1 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
403 am edt fri apr 24 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 strong 30.7 inch high centered well to the north will 
remain ridged south across the lake through today. a 29.6 inch low 
over the upper great lakes this morning will nudge a warm front 
toward the lake as it moves into the central great lakes this 
afternoon. this low will slightly weaken to 29.7 inches as it passes 
just southwest of lake tonight while nudging the warm front a bit 
further east over the lake. the low then slide southeast into the 
mid atlantic region saturday forcing the front back to the southwest 
of the lake. a 30.2 inch area of high pressure will then build 
across the lower great lakes saturday night through monday. a 29.4 
inch area of low pressure over the great plains monday night, will 
advance northeast into the upper great lakes later monday night into 
tuesday morning while pushing an attendant warm front across the 
lake. the 29.4 inch low will then continue northeast to james bay 
tuesday night sending an attendant cold front across the lake.


loz063>065-241500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt fri apr 24 2026

.today...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.tonight...northeast winds 5 to 15 knots becoming east 15 to
20 knots. a chance of rain showers late. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday...east winds 15 to 25 knots. showers likely. waves 3 to
6 feet. 
.saturday night...east winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers in the evening. waves 3 to 5 feet
subsiding to 2 feet or less. 
.sunday...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.monday...east winds 10 knots or less becoming southeast 10 to
15 knots. waves 1 to 3 feet. 
.tuesday...southeast winds 15 to 20 knots becoming south. showers
likely. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
338 am edt fri apr 24 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 lingering warm front will slowly lift north of lake erie today
as a cold front moves east this evening into the overnight hours.
high pressure 30.00 inches will build into the region on saturday
and sunday before strengthening low pressure 29.40 inches moves
across the western great lakes region, moving another cold front
east on tuesday. 


lez061-168-169-241415-
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 am edt fri apr 24 2026

.today...northeast winds 5 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet. 
.tonight...northeast winds 5 to 15 knots. a chance of showers and
thunderstorms in the evening, then showers with a chance of
thunderstorms after midnight. waves 2 to 4 feet. 
.saturday...northeast winds 10 to 15 knots becoming north. a
chance of showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday night...northeast winds 5 to 15 knots. waves 2 feet or
less. 
.sunday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less. 
.monday...east winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of showers monday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 5 to
15 knots. showers likely during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$