Great Lakes Forecast
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028
FZUS61 KBUF 062003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Thu Aug 6 2026

SLZ022-024-070300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Thu Aug 6 2026

.TONIGHT...Southwest winds 5 to 10 knots becoming light and
variable. Partly cloudy.
.FRIDAY...Light and variable winds. Partly to mostly sunny.
.FRIDAY NIGHT...Light and variable winds. A chance of showers in
the evening, then showers likely overnight.
.SATURDAY...South winds 10 knots or less becoming southwest.
Showers likely in the morning, then showers likely with a chance
of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Showers likely
with a chance of thunderstorms.
.SUNDAY...West winds 10 knots or less becoming southwest. Mainly
clear, then becoming partly cloudy.
.MONDAY...Southwest winds 10 knots or less. Showers likely with a
chance of thunderstorms.
.TUESDAY...West winds less than 10 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Tuesday night.

Winds and waves higher in and near thunderstorms.

$$