Great Lakes Forecast
Issued by NWS

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842
FZUS61 KBUF 150802
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EDT Sat Aug 15 2026

SLZ022-024-151500-
Saint Lawrence River from Cape Vincent to Saint Regis
402 AM EDT Sat Aug 15 2026

.TODAY...Northeast winds less than 10 knots becoming north. Areas
of fog early.
.TONIGHT...Northeast winds less than 10 knots. Partly cloudy.
.SUNDAY...Southeast winds less than 10 knots. Showers likely in
the afternoon.
.SUNDAY NIGHT...East winds 10 knots or less becoming west.
Showers.
.MONDAY...Northwest winds less than 10 knots. A chance of showers
during the day.
.TUESDAY...Light and variable winds. Mainly clear, then becoming
partly cloudy.
.WEDNESDAY...South winds 5 to 10 knots becoming west. A chance of
showers during the day, then showers likely Wednesday night.

$$