FZUS61 KBUF 221403
GLFSL 

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EDT Sat Aug 22 2026

SLZ022-024-222100-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 AM EDT Sat Aug 22 2026

.THIS AFTERNOON...Southeast winds 5 to 10 knots. Mostly sunny. 
.TONIGHT...Southeast winds 10 knots or less increasing to 10 to
15 knots. A chance of showers after midnight. A chance of showers
and thunderstorms late. 
.SUNDAY...Southeast winds 5 to 15 knots becoming southwest.
Showers with a chance of thunderstorms. 
.SUNDAY NIGHT...Southwest winds 5 to 15 knots. Showers likely
with a chance of thunderstorms in the evening, then showers
likely overnight. 
.MONDAY...Southwest winds 5 to 15 knots. Showers.
.TUESDAY...West winds 5 to 10 knots becoming light and variable.
A chance of showers. 
.WEDNESDAY...Southwest winds 10 knots or less becoming south.
Partly cloudy. 

Winds and waves higher in and near thunderstorms.

$$