


Great Lakes Forecast
Issued by NWS
Issued by NWS
780 FZUS61 KBUF 042001 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 401 PM EDT Wed Jun 4 2025 SLZ022-024-050300- Saint Lawrence River from Cape Vincent to Saint Regis 401 PM EDT Wed Jun 4 2025 .TONIGHT...Southwest winds 10 knots or less. Mainly clear through the early overnight, then becoming partly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming west. A chance of showers in the morning, then showers likely in the afternoon. .THURSDAY NIGHT...West winds less than 10 knots. A chance of showers in the evening. Patchy fog overnight. .FRIDAY...Light and variable winds. Partly sunny. .FRIDAY NIGHT...Light and variable winds. A chance of showers overnight. .SATURDAY...Northeast winds less than 10 knots becoming west. A chance of showers. .SUNDAY...West winds 10 knots or less becoming south. A chance of showers Sunday night. .MONDAY...South winds 5 to 10 knots. Showers likely with a chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$