fzus61 kbuf 101403
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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt wed jun 10 2026


slz022-024-102100-
saint lawrence river from cape vincent to saint regis
1003 am edt wed jun 10 2026

.this afternoon...south winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms. 
.tonight...southwest winds 10 knots or less. showers likely with
a chance of thunderstorms through the early overnight. 
.thursday...southwest winds 10 knots or less. a chance of showers
in the afternoon. 
.thursday night...southwest winds less than 10 knots. a chance of
showers in the evening. 
.friday...south winds 5 to 10 knots becoming southwest. showers
likely with a chance of thunderstorms. 
.saturday...southwest winds 5 to 10 knots. mainly clear, then
becoming partly cloudy. 
.sunday...southwest winds 5 to 10 knots. a chance of showers. 

winds and waves higher in and near thunderstorms.

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed jun 10 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 29.8 inch low will track northeast into southeastern 
ontario this morning sending a warm front across the lake. another 
warm front will cross the lake thursday night ahead of a 29.7 inch 
trough that will cross the lake later friday. associated with the 
trough, an attendant cold front across the lake friday afternoon and 
evening. a 30.0 inch high will ridge across the lower great lakes 
friday night through sunday morning, before a cold front crosses the 
region later sunday or sunday night.


loz063>065-102100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed jun 10 2026

.rest of today...south winds 10 to 15 knots becoming southeast.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.tonight...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms in the evening. a chance of showers late. waves
2 feet or less. 
.thursday...southwest winds 5 to 10 knots. showers likely in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. waves 2 feet or less. 
.thursday night...west winds 10 knots or less becoming southwest.
a chance of showers in the evening. waves 2 feet or less. 
.friday...south winds 5 to 15 knots becoming west. showers with a
chance of thunderstorms. waves 1 foot or less building to 1 to
3 feet. 
.saturday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.sunday...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$