Great Lakes Forecast
Issued by NWS

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337
FZUS61 KBUF 200202
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 PM EDT Sat Jul 19 2025

SLZ022-024-200900-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 PM EDT Sat Jul 19 2025

.REST OF TONIGHT...Light and variable winds. A chance of showers
and thunderstorms late this evening, then showers with a chance
of thunderstorms after midnight.
.SUNDAY...Southeast winds 10 knots or less becoming northwest.
Showers with a chance of thunderstorms early, then a chance of
showers late in the morning.
.SUNDAY NIGHT...Northwest winds 10 knots or less becoming north.
Partly cloudy.
.MONDAY...North winds 5 to 10 knots. Sunny.
.MONDAY NIGHT...North winds 5 to 10 knots becoming light and
variable. Mainly clear.
.TUESDAY...Light and variable winds. Mainly clear.
.WEDNESDAY...South winds 10 knots or less. A chance of showers
Wednesday night.
.THURSDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$