FZUS61 KBUF 052003

GLFSL 



Forecast for the Saint Lawrence River

including the Thousand Islands Region

National Weather Service Buffalo NY

403 PM EDT Tue May 5 2026



SLZ022-024-060300-

Saint Lawrence River from Cape Vincent to Saint Regis

403 PM EDT Tue May 5 2026



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...



.TONIGHT...West winds 15 to 20 knots becoming south and

diminishing to 10 knots or less after midnight. Showers likely

with a chance of thunderstorms early, then showers from late

evening on. 

.WEDNESDAY...South winds less than 10 knots becoming southwest.

Showers in the morning, then a chance of showers early in the

afternoon. 

.WEDNESDAY NIGHT...Southwest winds 10 knots or less. Mostly

cloudy. 

.THURSDAY...Southwest winds 10 knots or less. Mostly sunny. 

.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Partly to mostly

cloudy. 

.FRIDAY...Southwest winds 5 to 10 knots becoming south. A chance

of rain showers. 

.SATURDAY...South winds 5 to 10 knots becoming southwest. A

chance of showers. 

.SUNDAY...Southwest winds 10 knots or less becoming west. A

chance of showers. 



Winds and waves higher in and near thunderstorms.



$$