


Great Lakes Forecast
Issued by NWS
Issued by NWS
563 FZUS61 KBUF 130202 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 PM EDT Sun Oct 12 2025 SLZ022-024-130900- Saint Lawrence River from Cape Vincent to Saint Regis 1002 PM EDT Sun Oct 12 2025 .OVERNIGHT...East winds 10 knots or less becoming northeast. A chance of showers late. .MONDAY...Northeast winds 5 to 10 knots. A chance of showers. .MONDAY NIGHT...Northeast winds 10 knots or less. A chance of showers. .TUESDAY...Northeast winds less than 10 knots becoming west. A chance of showers in the morning. .TUESDAY NIGHT...Southwest winds 10 knots or less becoming northwest. Partly to mostly cloudy. .WEDNESDAY...North winds 5 to 10 knots becoming northwest. Partly cloudy. .THURSDAY...North winds 10 knots or less. Mainly clear. .FRIDAY...Northwest winds less than 10 knots becoming south. A chance of rain showers Friday night. $$