Great Lakes Forecast
Issued by NWS
Issued by NWS
972 FZUS61 KBUF 100203 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 PM EDT Fri Oct 9 2026 SLZ022-024-100900- Saint Lawrence River from Cape Vincent to Saint Regis 1003 PM EDT Fri Oct 9 2026 .OVERNIGHT...Northwest winds less than 10 knots. Mainly clear. .SATURDAY...Light and variable winds. Sunny. .SATURDAY NIGHT...East winds 10 knots or less becoming south. Partly cloudy in the evening, then becoming mostly cloudy. .SUNDAY...South winds 5 to 10 knots. Rain likely in the afternoon. .SUNDAY NIGHT...South winds less than 10 knots. Rain. .MONDAY...Light and variable winds becoming southwest 5 to 10 knots. Showers likely Monday night. .TUESDAY...Southwest winds 5 to 10 knots becoming north. Showers likely. .WEDNESDAY...North winds 10 knots or less. Mostly cloudy, then clearing. $$