311
FZUS61 KBUF 251502
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EST Tue Nov 25 2025

SLZ022-252200-
Saint Lawrence River from Cape Vincent to Ogdensburg-
1002 AM EST Tue Nov 25 2025

.THIS AFTERNOON...South winds 5 to 10 knots. A chance of showers
late.
.TONIGHT...Southeast winds less than 10 knots. Showers.
.WEDNESDAY...Southeast winds 10 knots or less becoming southwest
and increasing to 15 to 20 knots in the afternoon. Showers.
.WEDNESDAY NIGHT...Southwest winds 15 to 25 knots. Rain showers
in the evening, then rain and snow showers likely overnight.
.THURSDAY...Southwest winds to 30 knots becoming west and
diminishing to 10 to 15 knots. Rain and snow showers likely
during the day, then snow showers likely Thursday night.
.FRIDAY...West winds 5 to 15 knots. A chance of snow showers
during the day.
.SATURDAY...West winds 10 knots or less becoming southeast. A
chance of snow showers Saturday night.

$$

SLZ024-252200-
Saint Lawrence River from Ogdensburg to Saint Regis-
1002 AM EST Tue Nov 25 2025

.THIS AFTERNOON...Southwest winds 10 knots or less becoming south.
Mostly cloudy.
.TONIGHT...Light and variable winds. Rain showers.
.WEDNESDAY...East winds 10 knots or less becoming south and
increasing to 15 to 20 knots in the afternoon. Rain showers.
.WEDNESDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. Rain showers in the evening, then rain showers likely
with a chance of snow showers overnight.
.THURSDAY...Southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. Rain and snow showers likely
during the day, then snow showers likely Thursday night.
.FRIDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Snow showers likely during the day.
.SATURDAY...West winds 10 knots or less becoming southeast. A
chance of snow showers Saturday night.

$$