Great Lakes Forecast
Issued by NWS

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381
FZUS61 KBUF 250803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Sun Oct 25 2026

SLZ022-024-251500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Sun Oct 25 2026

.TODAY...South winds 10 knots or less becoming southwest. Sunny.
.TONIGHT...Southwest winds 5 to 10 knots. Partly to mostly
cloudy.
.MONDAY...Southwest winds 10 knots or less becoming northwest. A
chance of showers.
.MONDAY NIGHT...Northwest winds 5 to 10 knots becoming north.
Becoming mainly clear.
.TUESDAY...North winds 5 to 10 knots becoming light and variable.
Mainly clear.
.WEDNESDAY...Light and variable winds becoming south 10 to
15 knots. Partly cloudy.
.THURSDAY...South winds 5 to 15 knots becoming west less than
10 knots. A chance of showers.

$$