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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun sep 27 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 29.5 inch low near the jersey shore tonight will move 
slowly northeast along the new england coast through tuesday while 
filling to 29.8 inches. this low will finally dissipate over the 
north atlantic wednesday as a 30.1 inch high builds to just off the 
mid atlantic coast. a cold front over the upper great lakes 
wednesday night will cross the lower great lakes thursday night. a 
30.4 inch high is then forecast to build into the upper great lakes 
friday and the lower great lakes by saturday.


loz062-280900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sun sep 27 2026

.overnight...northeast winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers. waves 3 to 6 feet. 
.monday...northeast winds 5 to 15 knots becoming north less than
10 knots. waves 1 to 3 feet. 
.monday night...west winds less than 10 knots becoming northwest.
waves 1 foot or less. 
.tuesday...light and variable winds. waves 1 foot or less. 
.tuesday night...southeast winds less than 10 knots becoming
southwest. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots becoming south. waves
1 foot or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers thursday night. waves 1 to 3 feet. 
.friday...west winds 10 to 15 knots becoming northwest. a chance
of showers during the day. waves 1 to 3 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun sep 27 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 29.5 inch low near the jersey shore tonight will move 
slowly northeast along the new england coast through tuesday while 
filling to 29.8 inches. this low will finally dissipate over the 
north atlantic wednesday as a 30.1 inch high builds to just off the 
mid atlantic coast. a cold front over the upper great lakes 
wednesday night will cross the lower great lakes thursday night. a 
30.4 inch high is then forecast to build into the upper great lakes 
friday and the lower great lakes by saturday.


loz063>065-280900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt sun sep 27 2026

.overnight...northeast winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers. waves 3 to 6 feet subsiding
to 2 to 4 feet. 
.monday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.monday night...north winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...north winds 10 knots or less becoming northwest. waves
1 foot or less. 
.tuesday night...light and variable winds becoming south 5 to
10 knots. waves 1 foot or less. 
.wednesday...south winds 5 to 15 knots. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers thursday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day. waves 2 to 4 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
908 pm edt sun sep 27 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 of 30.20 inches will persist over the great lakes 
through tuesday before beginning to build off to the east
wednesday. a weak cold front will approach the region from the 
west thursday night.


lez061-168-169-280815-
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-
908 pm edt sun sep 27 2026

.overnight...northeast winds 15 to 20 knots diminishing to
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...northeast winds 5 to 15 knots becoming north less than
10 knots. a slight chance of showers early. waves 1 to 3 feet
subsiding to 1 foot or less. 
.monday night...north winds less than 10 knots. waves 1 foot or
less. 
.tuesday...southwest winds less than 10 knots becoming west.
waves 1 foot or less. 
.tuesday night...light and variable winds becoming south 5 to
10 knots. waves 1 foot or less. 
.wednesday...south winds 5 to 15 knots. waves 2 feet or less. 
.thursday...south winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers thursday night. waves 1 to 3 feet. 
.friday...northwest winds 10 to 15 knots becoming north. a chance
of showers during the day. waves 1 to 3 feet. 

$$