Great Lakes Forecast
Issued by NWS

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031
FZUS61 KBUF 130302
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 PM EST Wed Nov 12 2025

SLZ022-131000-
Saint Lawrence River from Cape Vincent to Ogdensburg-
1002 PM EST Wed Nov 12 2025

.REST OF TONIGHT...West winds 5 to 10 knots. A chance of snow
showers late.
.THURSDAY...West winds 5 to 10 knots. A chance of rain showers
from late morning on.
.THURSDAY NIGHT...West winds 10 knots or less becoming northwest.
A chance of rain and snow showers in the evening, then a chance
of snow and rain showers overnight.
.FRIDAY...Northwest winds less than 10 knots. Partly to mostly
sunny.
.FRIDAY NIGHT...Northwest winds less than 10 knots. Partly
cloudy.
.SATURDAY...Southwest winds 10 knots or less. A chance of rain
during the day, then rain Saturday night.
.SUNDAY...West winds 5 to 15 knots. Rain showers with snow
showers likely.
.MONDAY...West winds 10 knots or less. A chance of snow showers
during the day.

$$

SLZ024-131000-
Saint Lawrence River from Ogdensburg to Saint Regis-
1002 PM EST Wed Nov 12 2025

.REST OF TONIGHT...West winds 10 knots or less. A chance of rain
showers late this evening, then a chance of rain and snow showers
after midnight. A chance of snow showers late.
.THURSDAY...West winds 10 knots or less. A chance of snow showers
in the morning, then a chance of rain showers early in the
afternoon.
.THURSDAY NIGHT...West winds less than 10 knots. A chance of snow
showers.
.FRIDAY...West winds less than 10 knots becoming northwest. A
chance of snow showers.
.FRIDAY NIGHT...Northwest winds less than 10 knots. Partly
cloudy.
.SATURDAY...West winds 10 knots or less becoming southeast. A
chance of rain and snow during the day, then snow and rain
Saturday night.
.SUNDAY...West winds 5 to 10 knots. Snow and rain showers.
.MONDAY...West winds 5 to 10 knots. A chance of snow showers
during the day.

$$