Great Lakes Forecast
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166
FZUS61 KBUF 130803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Wed May 13 2026

SLZ022-024-131500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Wed May 13 2026

.TODAY...Southeast winds 10 to 15 knots becoming south. Showers.
.TONIGHT...South winds 10 knots or less becoming southwest.
Showers likely early, then a chance of showers late in the
evening.
.THURSDAY...Southwest winds less than 10 knots. A chance of
showers.
.THURSDAY NIGHT...Light and variable winds. A chance of showers.
.FRIDAY...North winds 10 knots or less becoming southwest. Partly
to mostly cloudy.
.SATURDAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots. Becoming mainly clear.
.SUNDAY...West winds 10 knots or less becoming east. Partly
cloudy.

$$