Great Lakes Forecast
Issued by NWS

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291
FZUS61 KBUF 131502
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EST Thu Nov 13 2025

SLZ022-132200-
Saint Lawrence River from Cape Vincent to Ogdensburg-
1002 AM EST Thu Nov 13 2025

.REST OF TODAY...West winds 5 to 10 knots. A chance of rain and
snow showers late this morning, then a chance of rain showers
early this afternoon.
.TONIGHT...West winds 5 to 10 knots becoming northwest. Partly to
mostly cloudy.
.FRIDAY...Northwest winds 5 to 10 knots. Partly sunny.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming light and
variable. Partly cloudy.
.SATURDAY...South winds 10 knots or less becoming southwest. A
chance of rain showers during the day, then rain Saturday night.
.SUNDAY...West winds 5 to 15 knots. Rain and snow showers likely
during the day, then snow showers likely Sunday night.
.MONDAY...West winds 5 to 15 knots. A chance of rain and snow
showers during the day.

$$

SLZ024-132200-
Saint Lawrence River from Ogdensburg to Saint Regis-
1002 AM EST Thu Nov 13 2025

.REST OF TODAY...West winds 5 to 10 knots. A chance of snow
showers late this morning, then a chance of rain and snow showers
early this afternoon.
.TONIGHT...West winds 10 knots or less. Mostly cloudy.
.FRIDAY...West winds 10 knots or less becoming northwest. Partly
sunny.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming light and
variable. Partly cloudy.
.SATURDAY...Southwest winds 10 knots or less becoming south. A
chance of rain showers during the day, then rain Saturday night.
.SUNDAY...West winds 5 to 15 knots. Rain and snow showers during
the day, then snow showers likely Sunday night.
.MONDAY...West winds 5 to 15 knots. A chance of snow showers
during the day.

$$