Great Lakes Forecast
Issued by NWS

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422
FZUS61 KBUF 280927
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
527 AM EDT Thu May 28 2026

SLZ022-024-281515-
Saint Lawrence River from Cape Vincent to Saint Regis
527 AM EDT Thu May 28 2026

.TODAY...North winds 5 to 15 knots becoming northwest. A chance
of showers early.
.TONIGHT...Northwest winds 10 knots or less becoming west. Partly
cloudy through the early overnight, then becoming mostly cloudy.
.FRIDAY...West winds 10 knots or less increasing to 15 to
20 knots. Showers in the afternoon.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming north.
Showers in the evening, then showers likely overnight.
.SATURDAY...Northeast winds 15 to 20 knots becoming southwest and
diminishing to 10 knots or less. A chance of showers during the
day.
.SUNDAY...Southwest winds less than 10 knots. A chance of
showers.
.MONDAY...North winds less than 10 knots. A chance of showers.

$$