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307
FZUS61 KBUF 231402
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1002 AM EDT Thu Jul 23 2026

SLZ022-024-232100-
Saint Lawrence River from Cape Vincent to Saint Regis
1002 AM EDT Thu Jul 23 2026

.THIS AFTERNOON...Southwest winds 10 to 15 knots. Sunny.
.TONIGHT...Southwest winds 5 to 15 knots diminishing to less than
10 knots. Mainly clear.
.FRIDAY...Southwest winds 10 knots or less. Sunny.
.FRIDAY NIGHT...Southwest winds less than 10 knots. Mainly clear.
.SATURDAY...South winds less than 10 knots. Mainly clear, then
becoming mostly cloudy.
.SUNDAY...South winds less than 10 knots. A chance of showers and
thunderstorms.
.MONDAY...Southwest winds less than 10 knots becoming south. A
chance of showers and thunderstorms during the day, then showers
likely with a chance of thunderstorms Monday night.

Winds and waves higher in and near thunderstorms.

$$