Great Lakes Forecast
Issued by NWS
Issued by NWS
294 FZUS61 KBUF 060803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 AM EDT Wed May 6 2026 SLZ022-024-061500- Saint Lawrence River from Cape Vincent to Saint Regis 403 AM EDT Wed May 6 2026 .TODAY...Northwest winds 5 to 10 knots becoming northeast. Showers through early afternoon. .TONIGHT...Southwest winds 10 knots or less. Mostly cloudy through the early overnight, then becoming partly cloudy. .THURSDAY...West winds 5 to 15 knots becoming southwest. Mostly sunny. .THURSDAY NIGHT...Southwest winds 5 to 15 knots diminishing to less than 10 knots. Partly to mostly cloudy. .FRIDAY...Southwest winds 5 to 10 knots. A chance of rain showers Friday night. .SATURDAY...Southwest winds 5 to 15 knots becoming south. A chance of rain showers. .SUNDAY...Southwest winds 10 knots or less becoming west. A chance of showers. $$