


Great Lakes Forecast
Issued by NWS
Issued by NWS
517 FZUS61 KBUF 070201 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1001 PM EDT Tue May 6 2025 SLZ022-024-070900- Saint Lawrence River from Cape Vincent to Saint Regis 1001 PM EDT Tue May 6 2025 .OVERNIGHT...East winds 10 knots or less becoming south. Showers with a chance of thunderstorms, then a chance of showers late. .WEDNESDAY...South winds 10 knots or less becoming northwest. A chance of showers. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots becoming north. A chance of showers in the evening. .THURSDAY...North winds 5 to 10 knots. Mostly cloudy in the morning, then becoming partly sunny. .THURSDAY NIGHT...Northeast winds 10 knots or less. Partly cloudy. .FRIDAY...Northeast winds 10 knots or less becoming northwest. Partly to mostly cloudy. .SATURDAY...Northwest winds 10 knots or less. Partly cloudy. .SUNDAY...North winds 10 knots or less becoming southwest. Mainly clear, then becoming partly cloudy. Winds and waves higher in and near thunderstorms. $$