Great Lakes Forecast
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835
FZUS61 KBUF 160803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 AM EDT Wed Jul 16 2025

SLZ022-024-161500-
Saint Lawrence River from Cape Vincent to Saint Regis
402 AM EDT Wed Jul 16 2025

.TODAY...South winds 10 knots or less becoming southwest. Sunny.
.TONIGHT...Southwest winds 10 knots or less becoming south. A
chance of showers and thunderstorms late in the evening. Showers
likely with a chance of thunderstorms after midnight, then a
chance of showers and thunderstorms late.
.THURSDAY...South winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. A chance of showers in the morning,
then showers likely with a chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest. A chance of showers and 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 during the day.

Winds and waves higher in and near thunderstorms.

$$