390
FZUS61 KBUF 162003
GLFSL

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

SLZ022-024-170300-
Saint Lawrence River from Cape Vincent to Saint Regis
402 PM EDT Wed Jul 16 2025

.TONIGHT...Southwest winds 10 knots or less becoming south. A
chance of showers and thunderstorms late this evening. Showers
likely with a chance of thunderstorms after midnight.
.THURSDAY...South winds 5 to 15 knots becoming southwest 15 to
20 knots. A chance of showers early, then a chance of showers and
thunderstorms late in the morning. Showers likely with a chance
of thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds 5 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight.
.FRIDAY...Northwest winds 10 knots or less. Sunny.
.FRIDAY NIGHT...West winds less than 10 knots. Mainly clear in
the evening, then becoming partly cloudy.
.SATURDAY...Southwest winds 10 knots or less. A chance of showers
Saturday night.
.SUNDAY...North winds less than 10 knots. A chance of showers
during the day.
.MONDAY...North winds less than 10 knots becoming southeast.
Mainly clear.

Winds and waves higher in and near thunderstorms.

$$