Great Lakes Forecast
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946
FZUS61 KBUF 040202
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 PM EDT Wed Sep 3 2025

SLZ022-024-040900-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 PM EDT Wed Sep 3 2025

.REST OF TONIGHT...South winds 5 to 15 knots. Mainly clear late
this evening, then becoming partly cloudy.
.THURSDAY...South winds 10 to 15 knots becoming southwest. A
chance of showers early. Showers with a chance of thunderstorms
in the afternoon.
.THURSDAY NIGHT...Southwest winds 10 knots or less. Showers with
a chance of thunderstorms in the evening, then a chance of
showers overnight.
.FRIDAY...South winds 10 knots or less becoming southwest 10 to
15 knots. Mostly sunny.
.FRIDAY NIGHT...Southwest winds 5 to 15 knots. Scattered showers.
.SATURDAY...Southwest winds 10 knots or less. Scattered showers
during the day.
.SUNDAY...Southwest winds 10 knots or less becoming west. Partly
cloudy.
.MONDAY...West winds less than 10 knots. Becoming mainly clear.

Winds and waves higher in and near thunderstorms.

$$