470
FZUS61 KBUF 300203
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 PM EDT Sat Aug 29 2026

SLZ022-024-300900-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 PM EDT Sat Aug 29 2026

.OVERNIGHT...Southwest winds 5 to 10 knots. A chance of
showers late.
.SUNDAY...Southwest winds 5 to 10 knots. A chance of showers
through early afternoon, then a chance of showers and
thunderstorms late.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots becoming light and
variable. A chance of showers and thunderstorms in the evening.
.MONDAY...Light and variable winds. Mostly cloudy in the morning,
then becoming mostly sunny.
.MONDAY NIGHT...Light and variable winds. A chance of showers in
the evening, then showers likely overnight.
.TUESDAY...Northeast winds less than 10 knots becoming east.
Showers likely during the day, then a chance of showers Tuesday
night.
.WEDNESDAY...Southeast winds 10 knots or less becoming south.
Showers likely with a chance of thunderstorms.
.THURSDAY...Southwest winds less than 10 knots becoming
northwest. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$