Great Lakes Forecast
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968
FZUS61 KBUF 070803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Mon Sep 7 2026

SLZ022-024-071500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Mon Sep 7 2026

.TODAY...Light and variable winds becoming northwest 5 to
10 knots. Sunny.
.TONIGHT...West winds less than 10 knots becoming northwest.
Partly cloudy through the early overnight, then becoming mostly
cloudy.
.TUESDAY...North winds less than 10 knots. Partly sunny in the
morning, then becoming mostly cloudy.
.TUESDAY NIGHT...Light and variable winds becoming south 5 to
10 knots. Cloudy.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers.
.THURSDAY...West winds 5 to 15 knots becoming northwest. Partly
to mostly cloudy.
.FRIDAY...West winds 10 knots or less becoming south. Mainly
clear.

$$