538
FZUS61 KBUF 182002
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 PM EDT Mon Aug 18 2025

SLZ022-024-190300-
Saint Lawrence River from Cape Vincent to Saint Regis
402 PM EDT Mon Aug 18 2025

.TONIGHT...Northeast winds 5 to 10 knots becoming east. Mostly
cloudy.
.TUESDAY...East winds less than 10 knots. Partly sunny.
.TUESDAY NIGHT...East winds 10 knots or less becoming southeast.
A chance of showers.
.WEDNESDAY...Southeast winds 10 knots or less becoming northeast.
A chance of showers.
.WEDNESDAY NIGHT...Northeast winds less than 10 knots. A chance
of showers in the evening.
.THURSDAY...Northeast winds less than 10 knots. Mainly clear.
.FRIDAY...Northeast winds less than 10 knots becoming south.
Mainly clear, then becoming partly cloudy.
.SATURDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers during the day, then showers likely with a
chance of thunderstorms Saturday night.

Winds and waves higher in and near thunderstorms.

$$