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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat may 2 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 29.7 inch low across quebec will retrograde 
northwestward to james bay today. at the same time another 29.7 inch 
low will deepen to 29.2 inches as it tracks from the southeastern 
states to atlantic canada through sunday, while a 30.2 inch high 
ridges across the lower great lakes, then western new england. a 
29.1 inch low over western ontario province monday will then weaken 
to 29.3 inches as it moves to northern quebec through tuesday, with 
its trailing cold front slowly crossing the lake tuesday. the cold 
front will stall just east of the lake on wednesday into thursday 
with a couple waves of low pressure track north along the front near 
or just east of the lake.


loz062-030300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat may 2 2026

.tonight...west winds 5 to 15 knots. waves 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 2 feet building to 2 to 4 feet. 
.sunday night...southwest winds 15 to 25 knots. a chance of
showers. waves 3 to 6 feet. 
.monday...southwest winds 15 to 20 knots. a chance of showers in
the morning. waves 3 to 6 feet. 
.monday night...southwest winds 15 to 20 knots. waves 3 to
5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northwest 5 to
15 knots. showers likely. waves 3 to 5 feet subsiding to 1 to
2 feet. 
.wednesday...northwest winds 10 knots or less becoming north.
showers likely during the day, then a chance of showers wednesday
night. waves 1 foot or less. 
.thursday...north winds 5 to 15 knots becoming west 15 to
20 knots. a chance of showers. waves 1 foot or less building to
2 to 4 feet. 

$$

fzus61 kbuf 022002
glflo 
expires:202605030300;;908846

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat may 2 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 29.7 inch low across quebec will retrograde 
northwestward to james bay today. at the same time another 29.7 inch 
low will deepen to 29.2 inches as it tracks from the southeastern 
states to atlantic canada through sunday, while a 30.2 inch high 
ridges across the lower great lakes, then western new england. a 
29.1 inch low over western ontario province monday will then weaken 
to 29.3 inches as it moves to northern quebec through tuesday, with 
its trailing cold front slowly crossing the lake tuesday. the cold 
front will stall just east of the lake on wednesday into thursday 
with a couple waves of low pressure track north along the front near 
or just east of the lake.


loz063>065-030300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat may 2 2026

.tonight...west winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 
.sunday night...southwest winds 15 to 20 knots. a chance of
showers overnight. waves 1 to 3 feet building to 3 to 6 feet. 
.monday...southwest winds 15 to 20 knots becoming south 10 to
15 knots. a chance of showers in the morning. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.monday night...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. showers likely with a chance of thunderstorms during
the day, then showers likely tuesday night. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots becoming northwest. showers
likely during the day, then a chance of showers wednesday night.
waves 2 feet or less. 
.thursday...north winds 5 to 15 knots becoming west and
increasing to 15 to 25 knots. showers likely. waves 2 feet or
less building to 4 to 7 feet. waves occasionally around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
335 pm edt sat may 2 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 30.10 inches will continue building across the great
lakes this weekend. low pressure 29.20 inches will move east 
through the upper great lakes on monday, extending a cold front 
across lake erie late tuesday. a trough averaging 29.90 inches 
will linger behind the front wednesday into thursday.


lez061-168-169-030215-
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-
335 pm edt sat may 2 2026

.tonight...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday night...southwest winds 15 to 20 knots. waves 2 to 4 feet
building to 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 2 to 3 feet. 
.monday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers. waves 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots becoming northeast 5 to
15 knots. showers likely with a chance of thunderstorms during
the day, then showers tuesday night. waves 3 to 5 feet subsiding
to 1 to 2 feet. 
.wednesday...north winds 10 knots or less becoming northeast. a
chance of showers. waves 2 feet or less. 
.thursday...north winds 5 to 15 knots becoming west. a chance of
showers during the day. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$