255
FZUS61 KBUF 182102
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 PM EST Tue Nov 18 2025

SLZ022-190400-
Saint Lawrence River from Cape Vincent to Ogdensburg-
402 PM EST Tue Nov 18 2025

.TONIGHT...Southwest winds 10 knots or less becoming north.
Mainly clear this evening, then becoming partly cloudy.
.WEDNESDAY...Light and variable winds. Sunny.
.WEDNESDAY NIGHT...Light and variable winds. Partly cloudy in the
evening, then becoming mostly cloudy.
.THURSDAY...Light and variable winds. Partly to mostly sunny.
.THURSDAY NIGHT...Light and variable winds becoming south 5 to
10 knots. Rain showers likely overnight.
.FRIDAY...South winds 10 knots or less becoming west. Rain
showers during the day.
.SATURDAY...West winds less than 10 knots becoming south. Partly
to mostly cloudy.
.SUNDAY...South winds 5 to 10 knots becoming west. A chance of
rain showers Sunday night.

$$

SLZ024-190400-
Saint Lawrence River from Ogdensburg to Saint Regis-
402 PM EST Tue Nov 18 2025

.TONIGHT...West winds 10 knots or less becoming northwest. Partly
cloudy.
.WEDNESDAY...Northwest winds less than 10 knots becoming west.
Mostly sunny.
.WEDNESDAY NIGHT...Light and variable winds. Partly cloudy in the
evening, then becoming mostly cloudy.
.THURSDAY...Light and variable winds. Partly to mostly sunny.
.THURSDAY NIGHT...Light and variable winds. Rain showers likely
overnight.
.FRIDAY...South winds 10 knots or less becoming west. Rain
showers during the day.
.SATURDAY...West winds less than 10 knots. Partly to mostly
cloudy.
.SUNDAY...South winds less than 10 knots becoming west. A chance
of rain showers Sunday night.

$$