Great Lakes Forecast
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377
FZUS61 KBUF 310803
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 AM EDT Sun May 31 2026

SLZ022-024-311500-
Saint Lawrence River from Cape Vincent to Saint Regis
403 AM EDT Sun May 31 2026

.TODAY...Southwest winds 10 knots or less becoming northwest. A
chance of showers this afternoon.
.TONIGHT...Northwest winds less than 10 knots. Showers likely
early, then a chance of showers late in the evening.
.MONDAY...North winds less than 10 knots becoming northeast.
Sunny.
.MONDAY NIGHT...Northeast winds less than 10 knots. Mainly clear.
.TUESDAY...Northwest winds less than 10 knots. Partly cloudy.
.WEDNESDAY...Light and variable winds. Mainly clear.
.THURSDAY...Southwest winds 10 knots or less. Mainly clear, then
becoming partly cloudy.

$$