Great Lakes Forecast
Issued by NWS

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740
FZUS61 KBUF 300203
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 PM EDT Wed Apr 29 2026

SLZ022-024-300900-
Saint Lawrence River from Cape Vincent to Saint Regis
1003 PM EDT Wed Apr 29 2026

.OVERNIGHT...North winds 5 to 10 knots becoming west. Rain.
.THURSDAY...West winds 5 to 10 knots. Rain likely early, then a
chance of showers late in the morning. A chance of showers late.
.THURSDAY NIGHT...Northwest winds 10 knots or less. A chance of
rain showers in the evening.
.FRIDAY...Northwest winds 5 to 10 knots becoming west. A chance
of rain showers in the afternoon.
.FRIDAY NIGHT...Southwest winds 10 knots or less. A chance of
rain showers in the evening.
.SATURDAY...West winds 5 to 15 knots becoming southwest less than
10 knots. A chance of rain showers during the day.
.SUNDAY...Southwest winds 5 to 15 knots. Partly to mostly cloudy.
.MONDAY...Southwest winds 5 to 10 knots becoming south. Rain
showers likely.

$$