Great Lakes Forecast
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105
FZUS61 KBUF 130802
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EDT Sun Jul 13 2025

SLZ022-024-131500-
Saint Lawrence River from Cape Vincent to Saint Regis
402 AM EDT Sun Jul 13 2025

.TODAY...South winds 10 to 15 knots becoming southwest. A chance
of showers and thunderstorms late this morning. Showers with
thunderstorms likely this afternoon.
.TONIGHT...Southwest winds 10 knots or less. Showers likely with
a chance of thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.MONDAY...Southwest winds 10 knots or less. Becoming mostly
sunny.
.MONDAY NIGHT...Southwest winds 10 knots or less. Mainly clear.
.TUESDAY...Southwest winds less than 10 knots. Mainly clear.
.WEDNESDAY...Southwest winds 10 knots or less becoming south. A
chance of showers Wednesday night.
.THURSDAY...Southwest winds 5 to 10 knots becoming west. Showers
likely with a chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$