fzus61 kbuf 111403
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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt thu jun 11 2026


slz022-024-112100-
saint lawrence river from cape vincent to saint regis
1003 am edt thu jun 11 2026

.rest of today...southwest winds 5 to 10 knots. a chance of
showers late this morning, then a chance of showers and
thunderstorms early this afternoon. showers likely with a chance
of thunderstorms late. 
.tonight...southwest winds 10 knots or less. a chance of showers
and thunderstorms early. 
.friday...south winds 5 to 10 knots becoming southwest. a chance
of showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon. 
.friday night...southwest winds 5 to 15 knots diminishing to less
than 10 knots. showers likely in the evening. 
.saturday...southwest winds 5 to 10 knots. a chance of showers
saturday night. 
.sunday...southwest winds 5 to 15 knots. showers with a chance of
thunderstorms. 
.monday...southwest winds 5 to 15 knots diminishing to less than
10 knots. partly cloudy. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 111402
glflo 
expires:202606112100;;562013

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu jun 11 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 warm front will cross the lake tonight ahead of a 29.7 
inch trough that will cross the lake later friday. associated with 
the trough, an attendant cold front will cross 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. the eastern edge of 
a 30.1 inch high over the central portion of the conus will push 
over the lake on monday.


loz062-112100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt thu jun 11 2026

.this afternoon...southwest winds 10 to 15 knots becoming west.
waves 1 to 2 feet. 
.tonight...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.friday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers. waves 1 to 3 feet building to 2 to
4 feet. 
.friday night...west winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.saturday...southwest winds 10 to 15 knots. a chance of showers
saturday night. waves 1 to 3 feet. 
.sunday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet. 
.monday...west winds 10 to 15 knots becoming southwest. waves
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 111402
glflo 
expires:202606112100;;562014

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu jun 11 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 warm front will cross the lake tonight ahead of a 29.7 
inch trough that will cross the lake later friday. associated with 
the trough, an attendant cold front will cross 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. the eastern edge of 
a 30.1 inch high over the central portion of the conus will push 
over the lake on monday.


loz063>065-112100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu jun 11 2026

.this afternoon...west winds 5 to 15 knots becoming southeast.
waves 1 to 2 feet. 
.tonight...southwest winds 5 to 10 knots. waves 1 foot or less. 
.friday...south winds 5 to 15 knots becoming west 15 to 20 knots.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday night...west winds 15 to 20 knots becoming southwest 5 to
15 knots. a chance of showers in the evening. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots becoming south. waves 1 to
2 feet. 
.sunday...south winds 15 to 20 knots becoming west 10 to
15 knots. showers with a chance of thunderstorms. waves 1 to
3 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$