Great Lakes Forecast
Issued by NWS
Issued by NWS
958 FZUS61 KBUF 230210 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1010 PM EDT Wed Apr 22 2026 SLZ022-024-230900- Saint Lawrence River from Cape Vincent to Saint Regis 1010 PM EDT Wed Apr 22 2026 .OVERNIGHT...Light and variable winds. Mainly clear. .THURSDAY...North winds 10 knots or less becoming northwest. Sunny. .THURSDAY NIGHT...North winds 10 knots or less. Partly cloudy. .FRIDAY...North winds 10 knots or less becoming northeast. Sunny. .FRIDAY NIGHT...Northeast winds less than 10 knots becoming east. Mainly clear. .SATURDAY...East winds 5 to 10 knots becoming light and variable. Partly to mostly cloudy. .SUNDAY...Light and variable winds. Partly cloudy. .MONDAY...Light and variable winds becoming southeast 5 to 10 knots. Partly to mostly cloudy. $$