969
FZUS61 KBUF 312004
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
404 PM EDT Fri Jul 31 2026

SLZ022-024-010300-
Saint Lawrence River from Cape Vincent to Saint Regis
404 PM EDT Fri Jul 31 2026

.TONIGHT...Southwest winds 10 knots or less becoming south.
Mainly clear early, then becoming mostly cloudy.
.SATURDAY...South winds less than 10 knots. Mostly cloudy.
.SATURDAY NIGHT...Light and variable winds. Showers likely
overnight.
.SUNDAY...South winds less than 10 knots becoming southeast.
Showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 knots or less becoming south.
Showers with a chance of thunderstorms in the evening, then
showers overnight.
.MONDAY...Southwest winds 10 knots or less becoming north.
Showers with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Monday night.
.TUESDAY...Northeast winds less than 10 knots. Mainly clear, then
becoming partly cloudy.
.WEDNESDAY...Southeast winds less than 10 knots. Showers likely.

Winds and waves higher in and near thunderstorms.

$$