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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt tue oct 6 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 30.2 inch high over the mid-alantic region will slide 
out to sea tonight through wednesday. a cold front will pass across 
the lake thursday. a 30.1 inch surface high will then ridge north 
across the lake friday, drifting off the coast over the weekend.


loz062-070900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt tue oct 6 2026

.overnight...south winds 10 to 15 knots becoming southwest
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 25 knots. a chance of showers
late in the morning. waves 3 to 6 feet. 
.wednesday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.thursday...west winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday night...west winds 15 to 20 knots. waves 2 to 4 feet. 
.friday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.saturday...south winds 5 to 15 knots. waves 2 feet or less. 
.sunday...southwest winds 10 to 15 knots becoming south. a chance
of showers sunday night. waves 1 to 2 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt tue oct 6 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 30.2 inch high over the mid-alantic region will slide 
out to sea tonight through wednesday. a cold front will pass across 
the lake thursday. a 30.1 inch surface high will then ridge north 
across the lake friday, drifting off the coast over the weekend.


loz063>065-070900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt tue oct 6 2026

.overnight...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 2 feet building to 3 to 5 feet. 
.wednesday...south winds 15 to 25 knots becoming southwest. a
chance of showers in the afternoon. waves 3 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. showers likely. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.thursday...west winds 15 to 20 knots. a chance of showers. waves
2 to 3 feet building to 3 to 6 feet. 
.thursday night...west winds 15 to 20 knots. a chance of showers.
waves 3 to 5 feet. 
.friday...west winds 15 to 20 knots diminishing to 5 to 15 knots.
waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...south winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.sunday...south winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers sunday night. waves 1 to 3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 pm edt tue oct 6 2026


slz022-024-070900-
saint lawrence river from cape vincent to saint regis
1003 pm edt tue oct 6 2026

.rest of tonight...southwest winds 5 to 15 knots becoming south.
mainly clear late this evening, then becoming mostly cloudy. 
.wednesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of showers early in the afternoon. showers
likely late. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers. 
.thursday...southwest winds 5 to 15 knots. a chance of showers in
the morning, then showers likely in the afternoon. 
.thursday night...west winds 5 to 10 knots. showers likely in the
evening. 
.friday...west winds 10 knots or less. partly cloudy. 
.saturday...southwest winds 10 knots or less becoming south.
becoming mainly clear. 
.sunday...southwest winds 5 to 15 knots. partly cloudy. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
950 pm edt tue oct 6 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 cold front will move southeast across the lake wednesday night.
high pressure 30.30 inches builds in from the west on thursday 
and persists into the early weekend before shifting east on 
saturday. low pressure 29.90 inches approaches from the south on
sunday.


lez061-167>169-070830-
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-
950 pm edt tue oct 6 2026

.overnight...south winds 15 to 20 knots becoming southwest.
waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 3 to 6 feet. 
.thursday...west winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming south. waves
1 to 2 feet. 
.saturday...south winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots becoming southeast. a chance
of showers. waves 1 to 3 feet. 

$$