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open lake forecast for lake ontario
national weather service buffalo ny
403 am edt wed mar 25 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 continue to settle off the mid 
atlantic coast today. a weak 29.7 inch low over the central great 
lakes tonight will pass north of the lake on thursday, then to the 
gulf of saint lawrence by early friday, with a trailing cold front 
crossing the lake thursday evening. a large 30.7 inch high will then 
build across the great lakes region friday through sunday.


loz062-251500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt wed mar 25 2026

.today...south winds 10 knots or less becoming east. waves 2 feet
or less. 
.tonight...east winds 10 to 15 knots becoming southwest. a chance
of rain showers after midnight. waves 1 to 2 feet. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers in the afternoon. waves 2 to 3 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots. rain showers. waves 2 to 4 feet. 
.friday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet building to 3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming southwest. waves
3 to 5 feet subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 250803
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
403 am edt wed mar 25 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 continue to settle off the mid 
atlantic coast today. a weak 29.7 inch low over the central great 
lakes tonight will pass north of the lake on thursday, then to the 
gulf of saint lawrence by early friday, with a trailing cold front 
crossing the lake thursday evening. a large 30.7 inch high will then 
build across the great lakes region friday through sunday.


loz063-064-251500-
lake ontario open waters from hamlin beach to mexico bay-
403 am edt wed mar 25 2026

.today...west winds 5 to 10 knots becoming east. waves 2 feet or
less. 
.tonight...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain showers after midnight. waves 1 to
2 feet building to 2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers in the afternoon. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots. rain showers. waves 2 to 4 feet building to 3 to
6 feet. 
.friday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 15 to
20 knots. waves 1 to 3 feet building to 3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming south. waves 3 to
6 feet subsiding to 2 to 4 feet. 

$$

fzus61 kbuf 250803
glflo 
expires:202603251500;;259903

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt wed mar 25 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 continue to settle off the mid 
atlantic coast today. a weak 29.7 inch low over the central great 
lakes tonight will pass north of the lake on thursday, then to the 
gulf of saint lawrence by early friday, with a trailing cold front 
crossing the lake thursday evening. a large 30.7 inch high will then 
build across the great lakes region friday through sunday.


loz065-251500-
lake ontario open waters from mexico bay to the saint lawrence
river-
403 am edt wed mar 25 2026

.today...north winds 10 knots or less becoming northeast. waves
2 feet or less. 
.tonight...east winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain showers early. a chance of rain
showers after midnight. waves 2 feet or less building to 2 to
4 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of rain showers in the morning, then rain
showers in the afternoon. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.thursday night...southwest winds 10 to 15 knots becoming north
15 to 20 knots. rain showers. waves 1 to 3 feet building to 3 to
5 feet. 
.friday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 feet or less. 
.saturday...northwest winds 5 to 10 knots becoming west and
increasing to 15 to 20 knots. waves 1 foot or less building to
3 to 6 feet. 
.sunday...west winds 15 to 20 knots becoming south. waves 3 to
5 feet subsiding to 2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
342 am edt wed mar 25 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 high pressure ridge averaging 30.40 inches continues to exit
eastward before a strong cold front sweeps southeastward across
lake erie thursday evening. behind the cold front, another ridge
averaging 30.20 inches should impact lake erie through this
weekend as the embedded high pressure center wobbles from the
north-central united states toward virginia and vicinity. this
evolution of the ridge will allow a warm front to drift northward
across lake erie saturday night.


lez061-168-169-251415-
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-
342 am edt wed mar 25 2026

.today...southeast winds less than 10 knots becoming east. waves
1 foot or less. 
.tonight...southeast winds 5 to 15 knots becoming southwest. a
slight chance of rain after midnight. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots. rain in the
afternoon. waves 1 to 3 feet. 
.thursday night...west winds 10 to 15 knots becoming north. rain
in the evening, then a chance of rain overnight. waves 1 to
3 feet. 
.friday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.saturday...west winds 5 to 10 knots increasing to 10 to
15 knots. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots becoming south. waves
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$