Great Lakes Forecast
Issued by NWS
Issued by NWS
166 FZUS61 KBUF 130803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 AM EDT Wed May 13 2026 SLZ022-024-131500- Saint Lawrence River from Cape Vincent to Saint Regis 403 AM EDT Wed May 13 2026 .TODAY...Southeast winds 10 to 15 knots becoming south. Showers. .TONIGHT...South winds 10 knots or less becoming southwest. Showers likely early, then a chance of showers late in the evening. .THURSDAY...Southwest winds less than 10 knots. A chance of showers. .THURSDAY NIGHT...Light and variable winds. A chance of showers. .FRIDAY...North winds 10 knots or less becoming southwest. Partly to mostly cloudy. .SATURDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots. Becoming mainly clear. .SUNDAY...West winds 10 knots or less becoming east. Partly cloudy. $$