FZUS61 KBUF 232003
GLFSL 

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Sun Aug 23 2026

SLZ022-024-240300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Sun Aug 23 2026

.TONIGHT...Southwest winds 5 to 15 knots. A chance of showers and
thunderstorms early, then showers likely late this evening.
Showers after midnight. 
.MONDAY...South winds 5 to 15 knots becoming southwest. Showers
in the morning, then showers with a chance of thunderstorms in
the afternoon. 
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Showers with a
chance of thunderstorms in the evening, then a chance of showers
overnight. 
.TUESDAY...West winds 5 to 10 knots. A chance of showers in the
morning, then showers likely in the afternoon. 
.TUESDAY NIGHT...West winds less than 10 knots. Showers likely in
the evening. 
.WEDNESDAY...Southwest winds 10 knots or less becoming southeast.
Partly cloudy. 
.THURSDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers during the day, then showers likely Thursday
night. 
.FRIDAY...Southwest winds 10 knots or less becoming northwest. A
chance of showers. 

Winds and waves higher in and near thunderstorms.

$$