Great Lakes Forecast
Issued by NWS
Issued by NWS
262 FZUS61 KBUF 080803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 AM EDT Fri May 8 2026 SLZ022-024-081500- Saint Lawrence River from Cape Vincent to Saint Regis 403 AM EDT Fri May 8 2026 .TODAY...West winds 10 knots or less becoming southwest 10 to 15 knots. Partly sunny. .TONIGHT...Southwest winds 5 to 10 knots becoming south. Partly cloudy. .SATURDAY...South winds 5 to 10 knots. Mostly sunny. .SATURDAY NIGHT...South winds 5 to 15 knots becoming southwest. Showers likely. .SUNDAY...Southwest winds 5 to 15 knots becoming west less than 10 knots. A chance of rain showers during the day. .MONDAY...West winds 10 knots or less becoming northwest. Partly cloudy. .TUESDAY...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. $$