Great Lakes Forecast
Issued by NWS

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644
FZUS61 KBUF 272002
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 PM EDT Wed Aug 27 2025

SLZ022-024-280300-
Saint Lawrence River from Cape Vincent to Saint Regis
402 PM EDT Wed Aug 27 2025

.TONIGHT...Southwest winds 10 knots or less becoming south.
Partly cloudy through the early overnight, then becoming mostly
cloudy.
.THURSDAY...South winds 10 to 15 knots becoming southwest. A
chance of showers in the morning, then showers likely early in
the afternoon. Showers late.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west
less than 10 knots. Showers.
.FRIDAY...West winds 10 knots or less. Showers likely.
.FRIDAY NIGHT...West winds less than 10 knots. Showers likely in
the evening, then a chance of showers overnight.
.SATURDAY...West winds less than 10 knots. A chance of showers.
.SUNDAY...Light and variable winds. Mainly clear.
.MONDAY...Light and variable winds. Mainly clear.

$$