157
FZUS61 KBUF 180803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Sat Jul 18 2026

SLZ022-024-181500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Sat Jul 18 2026

.TODAY...South winds 5 to 15 knots becoming southwest. Showers
with a chance of thunderstorms. Areas of smoke late this morning.
Some thunderstorms may produce gusty winds this afternoon.
.TONIGHT...West winds 5 to 15 knots becoming northwest. Showers
with a chance of thunderstorms early. Some thunderstorms may
produce gusty winds early.
.SUNDAY...Northwest winds 5 to 10 knots. Sunny.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and
variable. Mainly clear.
.MONDAY...Southwest winds 10 knots or less becoming south 10 to
15 knots. Partly cloudy, then becoming mostly cloudy.
.TUESDAY...South winds 15 to 20 knots becoming southwest 5 to
15 knots. Showers with a chance of thunderstorms.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Wednesday night.

Winds and waves higher in and near thunderstorms.

$$