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
252
FZUS61 KBUF 310203
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 PM EDT Thu Jul 30 2026

SLZ022-024-310900-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 PM EDT Thu Jul 30 2026

.OVERNIGHT...West winds less than 10 knots. Patchy fog.
.FRIDAY...Light and variable winds becoming west 5 to 10 knots.
Patchy fog early.
.FRIDAY NIGHT...Southwest winds less than 10 knots becoming
south. Partly to mostly cloudy.
.SATURDAY...South winds less than 10 knots becoming southwest. A
chance of showers.
.SATURDAY NIGHT...Light and variable winds. A chance of showers
and thunderstorms in the evening, then showers likely with a
chance of thunderstorms overnight.
.SUNDAY...Southeast winds 10 knots or less becoming northwest.
Showers with a chance of thunderstorms.
.MONDAY...Northwest winds 5 to 10 knots becoming light and
variable. A chance of showers.
.TUESDAY...South winds less than 10 knots. Mainly clear, then
becoming partly cloudy.

Winds and waves higher in and near thunderstorms.

$$