FZUS61 KBUF 180803
GLFSL 

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Mon May 18 2026

SLZ022-024-181500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Mon May 18 2026

.TODAY...East winds 5 to 10 knots becoming southwest. A chance of
showers this morning. 
.TONIGHT...Southwest winds 5 to 10 knots. A chance of showers
after midnight. 
.TUESDAY...Southwest winds 5 to 15 knots increasing to 15 to
20 knots. A chance of showers in the morning. 
.TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to
10 to 15 knots. Showers likely with a chance of thunderstorms in
the evening, then showers likely overnight. 
.WEDNESDAY...West winds 5 to 15 knots becoming north. A chance of
showers during the day. 
.THURSDAY...North winds 5 to 10 knots becoming light and
variable. Mainly clear. 
.FRIDAY...Light and variable winds. A chance of showers Friday
night. 

Winds and waves higher in and near thunderstorms.

$$