411
FZUS61 KBUF 172003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Sun May 17 2026

SLZ022-024-180300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Sun May 17 2026

.TONIGHT...North winds less than 10 knots. A chance of showers
and thunderstorms late.
.MONDAY...East winds 10 knots or less becoming southwest 10 to
15 knots. A chance of showers and thunderstorms early, then a
chance of showers late in the morning.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers overnight.
.TUESDAY...Southwest winds 5 to 15 knots increasing to 15 to
20 knots. A chance of showers in the morning.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to
10 to 15 knots. Showers likely.
.WEDNESDAY...West winds 5 to 15 knots becoming northwest. A
chance of showers during the day.
.THURSDAY...North winds 5 to 10 knots becoming light and
variable. Mainly clear.
.FRIDAY...Light and variable winds. Mostly cloudy.

Winds and waves higher in and near thunderstorms.

$$