Great Lakes Forecast
Issued by NWS
Issued by NWS
546 FZUS61 KBUF 020204 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 PM EDT Mon Jun 1 2026 SLZ022-024-020900- Saint Lawrence River from Cape Vincent to Saint Regis 1003 PM EDT Mon Jun 1 2026 .OVERNIGHT...Light and variable winds. Mainly clear, then becoming partly cloudy. .TUESDAY...Light and variable winds becoming north 5 to 10 knots. Mostly sunny. .TUESDAY NIGHT...Northwest winds less than 10 knots. Becoming mainly clear. .WEDNESDAY...Light and variable winds becoming west 5 to 10 knots. Sunny. .WEDNESDAY NIGHT...Southwest winds 10 knots or less. Mainly clear. .THURSDAY...Southwest winds 10 knots or less. Mainly clear, then becoming mostly cloudy. .FRIDAY...Southwest winds 10 knots or less. A chance of showers Friday night. .SATURDAY...Southwest winds 10 knots or less becoming northeast. A chance of showers. $$