FZUS61 KBUF 202003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Sat Jun 20 2026

SLZ022-024-210300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Sat Jun 20 2026

.TONIGHT...West winds 5 to 10 knots becoming light and variable.
Showers likely with a chance of thunderstorms early, then a
chance of showers from late evening on.
.SUNDAY...West winds 10 knots or less. A chance of showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon.
.SUNDAY NIGHT...Southwest winds less than 10 knots. A chance of
showers and thunderstorms in the evening.
.MONDAY...Light and variable winds. Mostly cloudy.
.MONDAY NIGHT...South winds less than 10 knots. Mostly cloudy.
.TUESDAY...North winds less than 10 knots. Partly cloudy.
.WEDNESDAY...Light and variable winds. Partly to mostly cloudy.
.THURSDAY...South winds less than 10 knots. Showers likely with a
chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$