FZUS61 KBUF 181404

GLFSL 



Forecast for the Saint Lawrence River

including the Thousand Islands Region

National Weather Service Buffalo NY

1004 AM EDT Sat Jul 18 2026



SLZ022-024-182100-

Saint Lawrence River from Cape Vincent to Saint Regis

1004 AM EDT Sat Jul 18 2026



.REST OF TODAY...South winds 10 to 15 knots becoming southwest.

Areas of smoke late this morning. Showers with a chance of

thunderstorms. Some thunderstorms may produce gusty winds this

afternoon. 

.TONIGHT...West winds 5 to 15 knots becoming northwest. Showers

with a chance of thunderstorms early. Some thunderstorms may

produce gusty winds early. 

.SUNDAY...Northwest winds 5 to 10 knots. Sunny.

.SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and

variable. Mainly clear. 

.MONDAY...Southwest winds 10 knots or less becoming south 10 to

15 knots. Partly cloudy, then becoming mostly cloudy. 

.TUESDAY...South winds 15 to 20 knots becoming southwest 5 to

15 knots. Showers with a chance of thunderstorms. 

.WEDNESDAY...Southwest winds 5 to 10 knots becoming west. Showers

likely with a chance of thunderstorms during the day, then a

chance of showers and thunderstorms Wednesday night. 



Winds and waves higher in and near thunderstorms.



$$