Great Lakes Forecast
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185
FZUS61 KBUF 200803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Sun Sep 20 2026

SLZ022-024-201500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Sun Sep 20 2026

.TODAY...Northeast winds 10 knots or less. Showers likely early,
then a chance of showers.
.TONIGHT...Northeast winds 10 knots or less becoming north 10 to
15 knots. Partly to mostly cloudy.
.MONDAY...North winds 5 to 15 knots becoming northeast. Partly
sunny.
.MONDAY NIGHT...Northeast winds 5 to 15 knots. Mostly cloudy.
.TUESDAY...Northeast winds 5 to 15 knots. Partly cloudy.
.WEDNESDAY...Northeast winds 10 knots or less. Partly cloudy.
.THURSDAY...Northeast winds 10 knots or less. Partly cloudy.

$$