FZUS61 KBUF 120302

GLFSL 



Forecast for the Saint Lawrence River

including the Thousand Islands Region

National Weather Service Buffalo NY

1002 PM EST Thu Dec 11 2025



SLZ022-121000-

Saint Lawrence River from Cape Vincent to Ogdensburg-

1002 PM EST Thu Dec 11 2025



.OVERNIGHT...West winds 5 to 10 knots. Mostly cloudy, then

becoming partly cloudy. 

.FRIDAY...West winds 5 to 10 knots becoming southwest. Mostly

sunny. 

.FRIDAY NIGHT...West winds 10 knots or less becoming south. Snow

showers likely overnight. 

.SATURDAY...South winds 5 to 15 knots becoming southwest. Lake

effect snow showers. 

.SATURDAY NIGHT...Southwest winds 5 to 15 knots. Lake effect snow

showers. 

.SUNDAY...West winds 5 to 10 knots becoming northwest. Snow

showers likely during the day. 

.MONDAY...West winds 5 to 15 knots becoming southwest. A chance

of snow showers during the day, then snow showers likely Monday

night. 

.TUESDAY...Southwest winds 5 to 15 knots becoming south 15 to

20 knots. Snow showers likely during the day. 



$$



SLZ024-121000-

Saint Lawrence River from Ogdensburg to Saint Regis-

1002 PM EST Thu Dec 11 2025



.OVERNIGHT...West winds 15 to 20 knots diminishing to 10 to

15 knots. Mostly cloudy. 

.FRIDAY...Southwest winds 5 to 15 knots. Partly sunny. 

.FRIDAY NIGHT...Southwest winds 10 knots or less becoming south.

Partly to mostly cloudy. 

.SATURDAY...South winds 10 knots or less becoming southwest 10 to

15 knots. Lake effect snow showers. 

.SATURDAY NIGHT...Southwest winds 5 to 15 knots. Lake effect snow

showers in the evening, then a chance of snow showers overnight. 

.SUNDAY...West winds 5 to 10 knots becoming northwest. A chance

of snow showers during the day. 

.MONDAY...West winds 5 to 15 knots becoming southwest. A chance

of snow showers during the day, then snow showers likely Monday

night. 

.TUESDAY...Southwest winds 5 to 15 knots becoming south 15 to

20 knots. A chance of snow showers during the day. 



$$