591
FZUS61 KBUF 180204
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1004 PM EDT Fri Jul 17 2026

SLZ022-024-180900-
Saint Lawrence River from Cape Vincent to Saint Regis
1004 PM EDT Fri Jul 17 2026

.REST OF TONIGHT...South winds 10 knots or less. Areas of smoke
late this evening. A chance of showers late.
.SATURDAY...South winds 10 to 15 knots becoming southwest.
Showers likely early, then a chance of showers late in the
morning. Showers with thunderstorms likely in the afternoon. Some
thunderstorms may produce gusty winds in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest. Showers with a chance of thunderstorms in the evening.
Some thunderstorms may produce gusty winds in the evening.
.SUNDAY...Northwest winds 5 to 10 knots. Sunny.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and
variable. Mainly clear in the evening, then becoming partly
cloudy.
.MONDAY...Southwest winds 5 to 15 knots becoming south. Partly to
mostly cloudy.
.TUESDAY...South winds 5 to 15 knots becoming southwest. Showers
with a chance of thunderstorms.
.WEDNESDAY...Southwest winds 5 to 10 knots. Showers likely with a
chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$