Great Lakes Forecast
Issued by NWS

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197
FZUS61 KBUF 130202
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 PM EDT Sat Jul 12 2025

SLZ022-024-130900-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 PM EDT Sat Jul 12 2025

.REST OF TONIGHT...South winds 10 knots or less. Mainly clear
late this evening, then becoming partly cloudy.
.SUNDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers and thunderstorms in the morning, then showers with
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 knots or less. Showers and
thunderstorms likely in the evening, then showers likely
overnight.
.MONDAY...West winds 10 knots or less becoming southwest. A
chance of showers in the morning.
.MONDAY NIGHT...Southwest winds 10 knots or less. Clear.
.TUESDAY...Southwest winds 10 knots or less becoming south.
Mainly clear.
.WEDNESDAY...Southwest winds 10 knots or less becoming south. A
chance of showers.
.THURSDAY...South winds 5 to 10 knots becoming west. Showers
likely.

Winds and waves higher in and near thunderstorms.

$$