Great Lakes Forecast
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863
FZUS61 KBUF 250802
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EDT Fri Jul 25 2025

SLZ022-024-251500-
Saint Lawrence River from Cape Vincent to Saint Regis
402 AM EDT Fri Jul 25 2025

.TODAY...West winds 5 to 10 knots becoming northwest. Numerous
showers early, then scattered showers late this morning.
.TONIGHT...North winds less than 10 knots. Patchy fog late.
.SATURDAY...Light and variable winds. Mostly sunny.
.SATURDAY NIGHT...Light and variable winds. Mostly cloudy.
.SUNDAY...South winds less than 10 knots becoming southwest.
Partly cloudy.
.MONDAY...Southwest winds 10 knots or less. Showers likely with a
chance of thunderstorms Monday night.
.TUESDAY...West winds 10 knots or less becoming north. A chance
of showers.

Winds and waves higher in and near thunderstorms.

$$