Great Lakes Forecast
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856
FZUS61 KBUF 152003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 PM EDT Tue Jul 15 2025

SLZ022-024-160300-
Saint Lawrence River from Cape Vincent to Saint Regis
402 PM EDT Tue Jul 15 2025

.TONIGHT...Southwest winds 10 knots or less becoming south.
Mainly clear.
.WEDNESDAY...South winds 10 knots or less becoming southwest.
Sunny.
.WEDNESDAY NIGHT...Southwest winds less than 10 knots becoming
south. A chance of showers and thunderstorms.
.THURSDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming northwest.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight.
.FRIDAY...North winds 5 to 10 knots becoming light and variable.
Mainly clear.
.SATURDAY...Southwest winds less than 10 knots. A chance of
showers Saturday night.
.SUNDAY...West winds less than 10 knots becoming north. A chance
of showers.

Winds and waves higher in and near thunderstorms.

$$