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FZUS61 KBUF 210802
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EDT Thu Aug 21 2025

SLZ022-024-211500-
Saint Lawrence River from Cape Vincent to Saint Regis
402 AM EDT Thu Aug 21 2025

.TODAY...Northeast winds less than 10 knots. Sunny.
.TONIGHT...Northeast winds less than 10 knots. Mainly clear.
.FRIDAY...Light and variable winds. Sunny.
.FRIDAY NIGHT...Southwest winds less than 10 knots becoming
south. Mainly clear in the evening, then becoming partly cloudy.
.SATURDAY...South winds 5 to 15 knots. Showers with a chance of
thunderstorms Saturday night.
.SUNDAY...South winds 10 knots or less becoming southwest.
Showers with a chance of thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Showers likely.

Winds and waves higher in and near thunderstorms.

$$