Great Lakes Forecast
Issued by NWS
Issued by NWS
566 FZUS61 KBUF 261502 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EST Wed Nov 26 2025 SLZ022-262200- Saint Lawrence River from Cape Vincent to Ogdensburg- 1002 AM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH THURSDAY EVENING... .THIS AFTERNOON...South winds 5 to 10 knots becoming southwest and increasing to 15 to 20 knots. Showers. .TONIGHT...Southwest winds 15 to 25 knots. Lake effect rain showers in the evening, then lake effect rain and snow showers after midnight. .THURSDAY...Southwest winds 15 to 25 knots. Lake effect rain and snow showers. .THURSDAY NIGHT...Southwest winds 15 to 25 knots becoming west. Snow showers likely. .FRIDAY...West winds 15 to 20 knots diminishing to 5 to 15 knots. Snow showers likely during the day. .SATURDAY...West winds 10 knots or less becoming southeast. Snow showers likely Saturday night. .SUNDAY...South winds 5 to 15 knots becoming southwest. Snow and rain showers. $$ SLZ024-262200- Saint Lawrence River from Ogdensburg to Saint Regis- 1002 AM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING THROUGH THURSDAY EVENING... .THIS AFTERNOON...Southeast winds 10 knots or less becoming south. Showers. .TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Lake effect rain showers in the evening, then a chance of rain and snow showers after midnight. Lake effect snow showers likely with a chance of lake effect rain showers late. .THURSDAY...Southwest winds 15 to 25 knots. Rain and snow showers likely. .THURSDAY NIGHT...Southwest winds 15 to 25 knots becoming west. Snow showers likely. .FRIDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. Snow showers likely during the day, then a chance of snow showers Friday night. .SATURDAY...West winds 10 knots or less becoming southeast. Snow showers likely Saturday night. .SUNDAY...Southeast winds 5 to 15 knots becoming southwest. Rain and snow showers. $$