National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 270211
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1011 PM EDT Thu Mar 26 2026

SLZ022-024-270900
Saint Lawrence River from Cape Vincent to Saint Regis 1011 PM EDT Thu Mar 26 2026

REST OF TONIGHT
North winds 5 to 15 knots. Rain and snow showers likely late this evening, then a chance of snow and rain showers after midnight.

FRIDAY
North winds 5 to 15 knots. Sunny.

FRIDAY NIGHT
Northwest winds 10 knots or less becoming north. Partly to mostly cloudy.

SATURDAY
North winds 10 knots or less becoming west. Partly to mostly sunny.

SATURDAY NIGHT
West winds 5 to 10 knots becoming southwest. A chance of snow showers overnight.

SUNDAY
Southwest winds 5 to 15 knots. A chance of snow showers during the day.

MONDAY
Southwest winds 5 to 10 knots becoming north. A chance of rain and snow showers Monday night.

TUESDAY
Northeast winds 5 to 10 knots becoming east. A chance of rain and snow showers during the day, then rain and snow showers likely Tuesday night.