Great Lakes Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
717
FZUS61 KBUF 171403
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EDT Sun Aug 17 2025

SLZ022-024-172100-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 AM EDT Sun Aug 17 2025

.THIS AFTERNOON...North winds 5 to 15 knots. Showers likely, then
a chance of showers late.
.TONIGHT...Northeast winds 10 to 15 knots. Becoming mainly clear.
.MONDAY...Northeast winds 5 to 15 knots. Sunny.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming east.
Partly cloudy in the evening, then becoming mostly cloudy.
.TUESDAY...East winds 10 knots or less. A chance of showers
during the day, then showers likely Tuesday night.
.WEDNESDAY...East winds 5 to 10 knots becoming northeast. Showers
likely during the day, then a chance of showers Wednesday night.
.THURSDAY...Northeast winds 10 knots or less becoming northwest.
Mainly clear.

$$