FZUS61 KBUF 052003

GLFSL 



Forecast for the Saint Lawrence River

including the Thousand Islands Region

National Weather Service Buffalo NY

403 PM EDT Wed Aug 5 2026



SLZ022-024-060300-

Saint Lawrence River from Cape Vincent to Saint Regis

403 PM EDT Wed Aug 5 2026



.TONIGHT...Southwest winds 10 knots or less becoming south.

Mainly clear early, then becoming mostly cloudy. 

.THURSDAY...Southwest winds 10 knots or less. A chance of showers

in the morning, then a chance of showers and thunderstorms in the

afternoon. 

.THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming light

and variable. Partly cloudy. 

.FRIDAY...Light and variable winds. A chance of showers and

thunderstorms in the afternoon. 

.FRIDAY NIGHT...Southwest winds less than 10 knots becoming

south. A chance of showers and thunderstorms in the evening, then

a chance of showers overnight. 

.SATURDAY...Southwest winds 5 to 10 knots. A chance of showers

and thunderstorms. 

.SUNDAY...Southwest winds 5 to 10 knots. A chance of showers. 

.MONDAY...Southwest winds 10 knots or less. A chance of showers. 



Winds and waves higher in and near thunderstorms.



$$