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open lake forecast for lake ontario
national weather service buffalo ny
402 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 quebec 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>065-081500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon jun 8 2026

.today...east winds 5 to 15 knots becoming northeast. waves
2 feet or less. 
.tonight...northeast winds 5 to 10 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
402 am edt mon jun 8 2026


slz022-024-081500-
saint lawrence river from cape vincent to saint regis
402 am edt mon jun 8 2026

.today...east winds less than 10 knots becoming southeast. patchy
fog early. 
.tonight...east winds less than 10 knots. mainly clear. 
.tuesday...south winds 10 knots or less becoming southwest.
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.

$$