176
FZUS61 KBUF 190803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Wed Aug 19 2026

SLZ022-024-191500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Wed Aug 19 2026

.TODAY...Southwest winds 5 to 10 knots. Showers likely early,
then showers with a chance of thunderstorms from late morning on.
.TONIGHT...Southwest winds 10 knots or less becoming west. A
chance of showers early.
.THURSDAY...Light and variable winds becoming west 5 to 10 knots.
Partly to mostly sunny.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming light and
variable. Becoming mainly clear.
.FRIDAY...Light and variable winds. Mainly clear, then becoming
partly cloudy.
.SATURDAY...Southeast winds 5 to 10 knots becoming south. Showers
Saturday night.
.SUNDAY...South winds 5 to 10 knots becoming southwest. Showers
with a chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$