990
FZUS61 KBUF 222003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Wed Jul 22 2026

SLZ022-024-230300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Wed Jul 22 2026

.TONIGHT...West winds 5 to 15 knots becoming southwest less than
10 knots. Mostly cloudy this evening, then becoming partly
cloudy.
.THURSDAY...Southwest winds 10 knots or less increasing to 10 to
15 knots. Sunny.
.THURSDAY NIGHT...Southwest winds 10 knots or less. Mainly clear.
.FRIDAY...Southwest winds 10 knots or less. Sunny.
.FRIDAY NIGHT...Southwest winds less than 10 knots. Mainly clear.
.SATURDAY...South winds 10 knots or less. Mainly clear, then
becoming mostly cloudy.
.SUNDAY...South winds 5 to 10 knots becoming light and variable.
A chance of showers and thunderstorms.
.MONDAY...Southwest winds less than 10 knots becoming south. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$