


Great Lakes Forecast
Issued by NWS
Issued by NWS
268 FZUS61 KBUF 150802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Wed Oct 15 2025 SLZ022-024-151500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Wed Oct 15 2025 .TODAY...North winds 10 to 15 knots. Becoming mostly sunny. .TONIGHT...North winds 5 to 10 knots. Mainly clear. .THURSDAY...Northwest winds 5 to 10 knots becoming north. Sunny. .THURSDAY NIGHT...North winds 10 knots or less. Mainly clear. .FRIDAY...North winds less than 10 knots. A chance of rain showers Friday night. .SATURDAY...South winds 10 knots or less becoming southeast. A chance of rain showers. .SUNDAY...South winds 5 to 15 knots. Showers. $$