949
FZUS61 KBUF 171403
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EDT Mon Aug 17 2026

SLZ022-024-172100-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 AM EDT Mon Aug 17 2026

.THIS AFTERNOON...West winds 5 to 10 knots becoming northwest. A
chance of showers early.
.TONIGHT...North winds 5 to 10 knots becoming light and variable.
Patchy fog from late evening on.
.TUESDAY...Light and variable winds becoming west 5 to 10 knots.
Patchy fog in the morning.
.TUESDAY NIGHT...Southwest winds 10 knots or less becoming south.
A chance of showers overnight.
.WEDNESDAY...Southwest winds 10 knots or less becoming west.
Showers with a chance of thunderstorms during the day, then
showers Wednesday night.
.THURSDAY...Light and variable winds. Becoming mainly clear.
.FRIDAY...Light and variable winds. Mainly clear.

Winds and waves higher in and near thunderstorms.

$$