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515
FZUS61 KBUF 121403
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 AM EDT Fri Jun 12 2026

SLZ022-024-122100-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 AM EDT Fri Jun 12 2026

.THIS AFTERNOON...Southwest winds 10 to 15 knots increasing to
15 to 20 knots. A chance of showers and thunderstorms.

.TONIGHT...Southwest winds 5 to 15 knots diminishing to less than
10 knots. Becoming mainly clear.
.SATURDAY...Southwest winds 10 knots or less. Sunny.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. A chance of
showers overnight.
.SUNDAY...Southwest winds 5 to 10 knots becoming west. Showers.
.MONDAY...West winds 5 to 15 knots becoming southwest less than
10 knots. Partly cloudy.
.TUESDAY...Southwest winds 10 knots or less becoming south.
Partly cloudy.

Winds and waves higher in and near thunderstorms.

$$