Great Lakes Forecast
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301
FZUS61 KBUF 020824
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
424 AM EDT Wed Sep 2 2026

SLZ022-024-021530-
Saint Lawrence River from Cape Vincent to Saint Regis
424 AM EDT Wed Sep 2 2026

.TODAY...Southeast winds 10 knots or less becoming south. Showers
likely with a chance of thunderstorms this afternoon.
.TONIGHT...South winds 5 to 10 knots becoming southwest. Showers
with a chance of thunderstorms through the early overnight, then
a chance of showers late.
.THURSDAY...Southwest winds 10 knots or less becoming west. A
chance of showers in the afternoon.
.THURSDAY NIGHT...West winds less than 10 knots. A chance of
showers in the evening.
.FRIDAY...Northwest winds 10 knots or less. Partly cloudy.
.SATURDAY...North winds 10 knots or less becoming northeast.
Becoming mainly clear.
.SUNDAY...Northeast winds less than 10 knots. Mainly clear.

Winds and waves higher in and near thunderstorms.

$$

EAL