Great Lakes Forecast
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268
FZUS61 KBUF 232003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Wed Sep 23 2026

SLZ022-024-240300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Wed Sep 23 2026

.TONIGHT...Northeast winds 10 knots or less. Clear.
.THURSDAY...Northeast winds 10 knots or less. Sunny.
.THURSDAY NIGHT...Northeast winds 10 knots or less. Mainly clear.
.FRIDAY...North winds 10 knots or less becoming northeast. Sunny.
.FRIDAY NIGHT...Northeast winds 10 knots or less becoming north.
Partly cloudy.
.SATURDAY...North winds 5 to 10 knots. Partly to mostly cloudy.
.SUNDAY...Northeast winds 10 knots or less. Partly to mostly
cloudy.
.MONDAY...Northeast winds less than 10 knots. Partly cloudy.

$$