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
037
FZUS61 KBUF 170801
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
401 AM EDT Sat May 17 2025

SLZ022-024-171500-
Saint Lawrence River from Cape Vincent to Saint Regis
401 AM EDT Sat May 17 2025

.TODAY...South winds 10 knots or less becoming southwest. Showers
likely this morning, then showers with a chance of thunderstorms
this afternoon.
.TONIGHT...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms early, then a chance of showers late in
the evening. Showers likely after midnight.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest.
Showers.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Showers in the
evening, then a chance of showers overnight.
.MONDAY...Northwest winds 5 to 10 knots. A chance of rain showers
during the day.
.TUESDAY...North winds 10 knots or less becoming northeast.
Mostly cloudy.
.WEDNESDAY...Northeast winds 5 to 10 knots. A chance of showers
during the day, then showers likely Wednesday night.

Winds and waves higher in and near thunderstorms.

$$