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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue sep 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 high pressure ridge averaging 30.2 inches continues to 
exit eastward before a cold front sweeps eastward across lake 
ontario wednesday night. behind the cold front, another ridge 
averaging 30.0 inches should build from the western great lakes 
through friday and then exit toward new england on saturday. a warm 
front should sweep northeastward across lake ontario saturday night 
and be followed by a cold front sweeping eastward across the lake 
later on sunday.


loz062-090900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt tue sep 8 2026

.overnight...southeast winds 5 to 10 knots becoming south.
a chance of showers late. waves 2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. a chance of showers early, then showers. showers with a
chance of thunderstorms late. waves 1 to 3 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. showers with a chance of thunderstorms in the
evening. waves 2 to 4 feet. 
.thursday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers saturday night. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots becoming northwest. a
chance of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue sep 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 high pressure ridge averaging 30.2 inches continues to 
exit eastward before a cold front sweeps eastward across lake 
ontario wednesday night. behind the cold front, another ridge 
averaging 30.0 inches should build from the western great lakes 
through friday and then exit toward new england on saturday. a warm 
front should sweep northeastward across lake ontario saturday night 
and be followed by a cold front sweeping eastward across the lake 
later on sunday.


loz063>065-090900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt tue sep 8 2026

.overnight...southeast winds 5 to 10 knots becoming south
and increasing to 15 to 20 knots. waves 2 feet or less. 
.wednesday...south winds 15 to 20 knots. showers likely in the
morning, then showers with a chance of thunderstorms in the
afternoon. waves 1 to 3 feet. 
.wednesday night...southwest winds 15 to 25 knots becoming west.
showers with a chance of thunderstorms in the evening, then a
chance of showers overnight. waves 2 to 4 feet building to 3 to
5 feet. 
.thursday...west winds 15 to 20 knots. waves 3 to 5 feet. 
.thursday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday...north winds 5 to 10 knots becoming south. waves 2 feet
or less. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers saturday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake erie
national weather service cleveland oh
947 pm edt tue sep 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...
high pressure 30.20 inches will gradually weaken to 30.00 inches 
wednesday ahead of a cold front that will track across lake erie 
wednesday into wednesday night. a post frontal trough averaging 
29.90 inches lingers on thursday. high pressure builds back to 
30.10 inches friday and will remain into the weekend.


lez061-168-169-090830-
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-
947 pm edt tue sep 8 2026

.overnight...southeast winds 5 to 15 knots becoming south.
waves 1 to 3 feet. 
.wednesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a slight chance of showers in the morning, then a
slight chance of showers and thunderstorms early in the
afternoon. showers likely with a chance of thunderstorms late.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. showers with a chance of thunderstorms in the
evening, then a chance of showers overnight. waves 3 to 5 feet. 
.thursday...northwest winds 5 to 10 knots becoming west. waves
1 to 3 feet. 
.thursday night...northwest winds 5 to 15 knots becoming north.
waves 2 feet or less. 
.friday...north winds 10 knots or less becoming southeast. waves
1 foot or less. 
.saturday...south winds 5 to 15 knots. a chance of showers
saturday night. waves 1 foot or less building to 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$