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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon jun 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 30.2 inch high over the st. lawrence valley will 
settle southeast to the new england coast today, then offshore 
tuesday, where it will then remain anchored through thursday. 
meanwhile a 29.7 inch low will track from lower michigan to southern 
quebec tuesday night and wednesday, with another 29.7 inch trough 
crossing the lake friday.


loz063>065-082100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt mon jun 8 2026

.this afternoon...northeast winds 5 to 15 knots. waves 2 feet or
less. 
.tonight...northeast winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tuesday...south winds 10 knots or less becoming east. waves
1 foot or less. 
.tuesday night...east winds 10 knots or less becoming south.
showers likely in the evening, then showers overnight. waves
1 foot or less. 
.wednesday...south winds 5 to 15 knots becoming west. showers
during the day, then a chance of showers wednesday night. waves
2 feet or less. 
.thursday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 2 feet or less. 
.friday...south winds 5 to 15 knots becoming west. a chance of
showers and thunderstorms. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am edt mon jun 8 2026


slz022-024-082100-
saint lawrence river from cape vincent to saint regis
1002 am edt mon jun 8 2026

.this afternoon...southeast winds less than 10 knots becoming
south. sunny.
.tonight...southwest winds less than 10 knots. mainly clear. 
.tuesday...southwest winds 10 knots or less. mostly sunny. 
.tuesday night...southwest winds less than 10 knots. showers
likely overnight. 
.wednesday...south winds 10 knots or less becoming southwest.
showers with a chance of thunderstorms. 
.thursday...southwest winds 10 knots or less. a chance of
showers. 
.friday...southwest winds 10 knots or less. showers likely with a
chance of thunderstorms. 

winds and waves higher in and near thunderstorms.

$$