Great Lakes Forecast
Issued by NWS

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275
FZUS61 KBUF 281403
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 AM EDT Sun Jun 28 2026

SLZ022-024-282100-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 AM EDT Sun Jun 28 2026

.THIS AFTERNOON...Light and variable winds. Sunny.
.TONIGHT...Light and variable winds. Mainly clear.
.MONDAY...Light and variable winds. Sunny.
.MONDAY NIGHT...Southwest winds less than 10 knots. Mostly
cloudy.
.TUESDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers and thunderstorms.
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers
and thunderstorms.
.THURSDAY...Southwest winds 10 knots or less. A chance of showers
Thursday night.

Winds and waves higher in and near thunderstorms.

$$