Great Lakes Forecast
Issued by NWS
Issued by NWS
823 FZUS61 KBUF 022004 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 404 PM EDT Tue Jun 2 2026 SLZ022-024-030300- Saint Lawrence River from Cape Vincent to Saint Regis 404 PM EDT Tue Jun 2 2026 .TONIGHT...Northwest winds less than 10 knots. Partly cloudy this evening, then becoming mainly clear. .WEDNESDAY...Light and variable winds becoming west 5 to 10 knots. Sunny. .WEDNESDAY NIGHT...Southwest winds 10 knots or less. Partly cloudy. .THURSDAY...Southwest winds 5 to 10 knots. Partly to mostly sunny. .THURSDAY NIGHT...Southwest winds 10 knots or less. Mostly cloudy. .FRIDAY...Southwest winds 5 to 10 knots. A chance of showers Friday night. .SATURDAY...Southwest winds 10 knots or less becoming east. Showers likely. .SUNDAY...East winds 10 knots or less. A chance of showers. $$