154
FZUS61 KBUF 171403
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 AM EDT Fri Jul 17 2026

SLZ022-024-172100-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 AM EDT Fri Jul 17 2026

.THIS AFTERNOON...Northwest winds less than 10 knots becoming
west. Sunny.
.TONIGHT...Southwest winds 10 knots or less becoming south. A
chance of showers late.
.SATURDAY...Southeast winds 10 to 15 knots becoming southwest.
Showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest. Showers with a chance of thunderstorms in the evening,
then a chance of showers overnight.
.SUNDAY...Northwest winds 5 to 10 knots becoming light and
variable. Mainly clear.
.MONDAY...Southwest winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. A chance of showers Monday night.
.TUESDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. Showers with a chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$