191
FZUS61 KBUF 202102
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 PM EST Thu Nov 20 2025

SLZ022-210400-
Saint Lawrence River from Cape Vincent to Ogdensburg-
402 PM EST Thu Nov 20 2025

.TONIGHT...East winds 10 knots or less becoming south. Mainly
clear early, then becoming mostly cloudy.
.FRIDAY...South winds 5 to 10 knots becoming southwest. Rain
showers likely late in the morning.
.FRIDAY NIGHT...West winds 10 knots or less becoming northwest.
Partly to mostly cloudy.
.SATURDAY...Northwest winds less than 10 knots. Mostly sunny.
.SATURDAY NIGHT...Light and variable winds. Partly cloudy in the
evening, then becoming mostly cloudy.
.SUNDAY...Southwest winds 5 to 10 knots becoming west. A chance
of rain and snow showers during the day, then a chance of rain
showers Sunday night.
.MONDAY...West winds 10 knots or less becoming south. Mostly
cloudy.
.TUESDAY...Southeast winds 5 to 15 knots becoming south. Rain
likely during the day, then rain showers Tuesday night.

$$

SLZ024-210400-
Saint Lawrence River from Ogdensburg to Saint Regis-
402 PM EST Thu Nov 20 2025

.TONIGHT...Light and variable winds. Partly cloudy early, then
becoming mostly cloudy.
.FRIDAY...South winds 5 to 10 knots becoming southwest. A chance
of rain showers early, then rain showers likely late in the
morning. A chance of rain showers early in the afternoon.
.FRIDAY NIGHT...West winds 10 knots or less. Partly cloudy.
.SATURDAY...Northwest winds less than 10 knots. Mostly sunny.
.SATURDAY NIGHT...West winds less than 10 knots. Partly cloudy in
the evening, then becoming mostly cloudy.
.SUNDAY...Southwest winds 10 knots or less becoming west. A
chance of snow and rain showers.
.MONDAY...West winds 10 knots or less becoming south. Mostly
cloudy.
.TUESDAY...Southeast winds 5 to 15 knots becoming south. Rain
likely during the day, then rain showers Tuesday night.

$$