Great Lakes Forecast
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104
FZUS61 KBUF 180203
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 PM EDT Thu Sep 17 2026

SLZ022-024-180900-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 PM EDT Thu Sep 17 2026

.OVERNIGHT...Light and variable winds. Partly cloudy.
.FRIDAY...Northwest winds 5 to 10 knots becoming north. Sunny.
.FRIDAY NIGHT...North winds 5 to 10 knots becoming northeast.
Partly cloudy.
.SATURDAY...Northeast winds less than 10 knots. Sunny.
.SATURDAY NIGHT...Light and variable winds. Partly to mostly
cloudy.
.SUNDAY...Northeast winds 10 knots or less becoming north. A
chance of showers during the day.
.MONDAY...North winds 5 to 10 knots becoming northeast. Partly to
mostly cloudy.
.TUESDAY...Northeast winds 5 to 10 knots. Becoming mainly clear.

$$