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open lake forecast for lake ontario
national weather service buffalo ny
1002 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 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 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 before heading northeast to 
james bay tuesday night sending an attendant cold front across the 
lake.


loz062-242100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri apr 24 2026

.this afternoon...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
1002 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 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 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 before heading northeast to 
james bay tuesday night sending an attendant cold front across the 
lake.


loz063>065-242100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt fri apr 24 2026

.this afternoon...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
1006 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 this
afternoon 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.


lez061-168-169-242030-
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-
1006 am edt fri apr 24 2026

.rest of today...northeast winds 10 to 15 knots. waves 2 to
4 feet. 
.tonight...northeast winds 5 to 15 knots. a chance of showers and
thunderstorms early, then showers and thunderstorms likely late
in the evening. showers with a slight 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.

$$