


Great Lakes Forecast
Issued by NWS
Issued by NWS
304 FZUS61 KBUF 092002 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EDT Thu Oct 9 2025 SLZ022-024-100300- Saint Lawrence River from Cape Vincent to Saint Regis 402 PM EDT Thu Oct 9 2025 .TONIGHT...Light and variable winds. Clear. .FRIDAY...South winds 10 knots or less becoming southwest. Sunny. .FRIDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. .SATURDAY...South winds 10 knots or less becoming southeast. Sunny. .SATURDAY NIGHT...East winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. .SUNDAY...Northeast winds 10 knots or less. A chance of showers. .MONDAY...Northeast winds 10 knots or less. A chance of showers. .TUESDAY...Northeast winds less than 10 knots becoming west. A chance of showers. $$