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open lake forecast for lake ontario
national weather service buffalo ny
655 pm edt wed apr 8 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 30.6 inch high will move off the coast of new england 
tonight and southeast of nova scotia thursday. a 29.5 inch low will 
move from the north shore of lake superior tonight to northern 
quebec by thursday night, with a trailing cold front crossing the 
lake thursday night and friday. a 30.5 inch high is then forecast to 
build into the central great lakes saturday, then drift east to new 
england by sunday. the cold front from a 29.4 inch low near james 
bay will track across the lake monday into tuesday.


loz062-090300-
lake ontario open waters from the niagara river to hamlin beach-
655 pm edt wed apr 8 2026

.tonight...east winds 15 to 20 knots becoming south. waves 2 to
4 feet. 
.thursday...south winds 15 to 25 knots becoming southwest. a
chance of showers late. waves 2 to 4 feet building to 3 to
6 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest 5 to 15 knots. a chance of rain showers. waves 3 to
6 feet subsiding to 1 to 3 feet. 
.friday...north winds less than 10 knots. rain showers. waves
1 foot or less. 
.friday night...northwest winds 10 knots or less. rain showers
likely in the evening. waves 1 foot or less. 
.saturday...northwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.sunday...east winds 5 to 15 knots becoming southwest 15 to
20 knots. a chance of rain showers sunday night. waves 2 feet or
less building to 2 to 4 feet. 
.monday...southwest winds 15 to 25 knots increasing to 30 knots.
a chance of showers. waves 3 to 6 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
655 pm edt wed apr 8 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 30.6 inch high will move off the coast of new england 
tonight and southeast of nova scotia thursday. a 29.5 inch low will 
move from the north shore of lake superior tonight to northern 
quebec by thursday night, with a trailing cold front crossing the 
lake thursday night and friday. a 30.5 inch high is then forecast to 
build into the central great lakes saturday, then drift east to new 
england by sunday. the cold front from a 29.4 inch low near james 
bay will track across the lake monday into tuesday.


loz063>065-090300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
655 pm edt wed apr 8 2026

.tonight...east winds 15 to 25 knots becoming south. waves 1 to
3 feet building to 3 to 5 feet. 
.thursday...south winds 15 to 25 knots. a chance of rain showers
late. waves 3 to 6 feet. 
.thursday night...south winds 15 to 25 knots becoming southwest
and diminishing to 5 to 10 knots overnight. a chance of rain
showers in the evening. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.friday...west winds 10 knots or less becoming north. rain
showers. waves 2 feet or less. 
.friday night...northwest winds 10 knots or less. rain showers in
the evening, then a chance of rain showers overnight. waves
2 feet or less. 
.saturday...northwest winds 10 knots or less becoming south.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming south and
increasing to 15 to 25 knots. a chance of rain showers sunday
night. waves 1 foot or less building to 3 to 6 feet. 
.monday...south winds 15 to 25 knots becoming southwest. a chance
of showers. waves 3 to 6 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
340 pm edt wed apr 8 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...
pressure averaging 30.40 inches will gradually fall as high
pressure moves east away from lake erie tonight and a frontal 
boundary moves in late tomorrow. this front will stall in the 
vicinity of the lake thursday evening. it will push across as a 
cold front on friday. high pressure 30.50 inches will build over 
the great lakes on saturday.


lez061-167>169-090215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 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-
340 pm edt wed apr 8 2026

.tonight...southeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of showers with a slight chance of
thunderstorms late. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday night...southwest winds 5 to 15 knots becoming east
less than 10 knots. a chance of rain showers. waves 1 to 3 feet. 
.friday...east winds 5 to 10 knots becoming northwest. rain
showers. waves around 1 foot. 
.friday night...northwest winds 10 knots or less becoming north.
rain showers in the evening. waves 1 foot or less. 
.saturday...north winds 10 knots or less becoming east. waves
1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. waves 2 feet or less building to
3 to 5 feet. 
.monday...southwest winds 15 to 25 knots. a chance of showers.
waves 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$