Great Lakes Forecast
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290
FZUS61 KBUF 312003
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
403 PM EDT Thu Jul 31 2025

SLZ022-024-010300-
Saint Lawrence River from Cape Vincent to Saint Regis
403 PM EDT Thu Jul 31 2025

.TONIGHT...Northeast winds 5 to 10 knots. Mostly cloudy early,
then clearing.
.FRIDAY...Northeast winds 5 to 10 knots becoming north. Sunny.
.FRIDAY NIGHT...North winds 5 to 10 knots becoming light and
variable. Mainly clear.
.SATURDAY...Light and variable winds becoming southwest 5 to
10 knots. Sunny.
.SATURDAY NIGHT...Southwest winds 10 knots or less. Mainly clear.
.SUNDAY...Southwest winds 10 knots or less. Mainly clear.
.MONDAY...Southwest winds less than 10 knots. Mainly clear, then
becoming partly cloudy.
.TUESDAY...East winds less than 10 knots. Partly cloudy.

$$