Great Lakes Forecast
Issued by NWS

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330
FZUS61 KBUF 162002
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
402 PM EDT Mon Jun 16 2025

SLZ022-024-170300-
Saint Lawrence River from Cape Vincent to Saint Regis
402 PM EDT Mon Jun 16 2025

.TONIGHT...Southwest winds 10 knots or less becoming south.
Partly cloudy.
.TUESDAY...South winds 5 to 10 knots. A chance of showers in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming southwest. A
chance of showers overnight.
.WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Southwest winds 10 knots or less becoming
south. A chance of showers and thunderstorms in the evening, then
showers likely overnight.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. Showers
with a chance of thunderstorms.
.FRIDAY...West winds 5 to 10 knots becoming light and variable. A
chance of showers.
.SATURDAY...Southwest winds 10 knots or less becoming south. A
chance of showers.

Winds and waves higher in and near thunderstorms.

$$