Great Lakes Forecast
Issued by NWS

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195
FZUS61 KBUF 150745
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
Issued by National Weather Service Cleveland OH
337 AM EDT Tue Sep 15 2026

SLZ022-024-151515-
Saint Lawrence River from Cape Vincent to Saint Regis
345 AM EDT Tue Sep 15 2026

.TODAY...Southeast winds 5 to 10 knots becoming south. Mostly
sunny early, then becoming mostly cloudy.
.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of showers from late evening on.
.WEDNESDAY...Southwest winds 10 knots or less becoming west.
Mostly cloudy.
.WEDNESDAY NIGHT...Light and variable winds. Mostly cloudy.
.THURSDAY...Northeast winds less than 10 knots. A chance of
showers during the day.
.FRIDAY...North winds 10 knots or less becoming northeast. Mainly
clear, then becoming partly cloudy.
.SATURDAY...Northeast winds less than 10 knots becoming southeast
10 to 15 knots. A chance of showers during the day, then showers
likely Saturday night.

$$