783
FZUS61 KBUF 092003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Sun Aug 9 2026

SLZ022-024-100300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Sun Aug 9 2026

.TONIGHT...West winds 10 knots or less becoming south. Partly
cloudy this evening, then becoming mostly cloudy.
.MONDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers early, then showers likely late in the morning.
Showers with a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 10 knots or less becoming west.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight.
.TUESDAY...West winds 10 knots or less. Partly to mostly sunny.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots becoming light and
variable. Partly cloudy.
.WEDNESDAY...Southwest winds less than 10 knots. A chance of
showers during the day, then showers likely with a chance of
thunderstorms Wednesday night.
.THURSDAY...West winds 10 knots or less. Showers likely with a
chance of thunderstorms.
.FRIDAY...Northwest winds 5 to 10 knots becoming light and
variable. Becoming mainly clear.

Winds and waves higher in and near thunderstorms.

$$