


Great Lakes Forecast
Issued by NWS
Issued by NWS
372 FZUS61 KBUF 051401 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1001 AM EDT Thu Jun 5 2025 SLZ022-024-052100- Saint Lawrence River from Cape Vincent to Saint Regis 1001 AM EDT Thu Jun 5 2025 .THIS AFTERNOON...Southwest winds 5 to 10 knots becoming northwest. A chance of showers. .TONIGHT...Northwest winds less than 10 knots. A chance of showers in the evening. Patchy fog late. .FRIDAY...Light and variable winds. A chance of showers. .FRIDAY NIGHT...Light and variable winds. A chance of showers. .SATURDAY...North winds less than 10 knots. A chance of showers and thunderstorms. .SUNDAY...Northeast winds 10 knots or less becoming southeast. A chance of showers Sunday night. .MONDAY...South winds 5 to 10 knots. Showers likely. Winds and waves higher in and near thunderstorms. $$