


Great Lakes Forecast
Issued by NWS
Issued by NWS
217 FZUS61 KBUF 082002 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EDT Mon Sep 8 2025 SLZ022-024-090300- Saint Lawrence River from Cape Vincent to Saint Regis 402 PM EDT Mon Sep 8 2025 .TONIGHT...Southwest winds 5 to 10 knots becoming light and variable. Mainly clear. .TUESDAY...Light and variable winds. Sunny. .TUESDAY NIGHT...Light and variable winds. Mainly clear. .WEDNESDAY...South winds less than 10 knots becoming southwest. Sunny. .WEDNESDAY NIGHT...Southwest winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. .THURSDAY...Northwest winds less than 10 knots becoming northeast. Mainly clear. .FRIDAY...Northeast winds less than 10 knots. Mainly clear, then becoming partly cloudy. .SATURDAY...South winds less than 10 knots. Partly to mostly cloudy. $$