


Great Lakes Forecast
Issued by NWS
Issued by NWS
227 FZUS61 KBUF 222001 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 401 PM EDT Thu May 22 2025 SLZ022-024-230300- Saint Lawrence River from Cape Vincent to Saint Regis 401 PM EDT Thu May 22 2025 .TONIGHT...East winds 5 to 10 knots. A chance of showers. .FRIDAY...Northeast winds 5 to 10 knots. A chance of showers through early afternoon, then rain late. .FRIDAY NIGHT...North winds less than 10 knots. Rain. .SATURDAY...Northwest winds 10 knots or less. A chance of showers in the morning, then showers likely in the afternoon. .SATURDAY NIGHT...Northwest winds less than 10 knots. Showers likely in the evening. .SUNDAY...Northwest winds less than 10 knots. A chance of showers. .MONDAY...Light and variable winds. A chance of showers. .TUESDAY...Light and variable winds. Partly cloudy, then becoming mostly cloudy. $$