432
FZUS61 KBUF 182001
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
401 PM EDT Fri Apr 18 2025

SLZ022-190300-
Saint Lawrence River from Cape Vincent to Ogdensburg-
401 PM EDT Fri Apr 18 2025

.TONIGHT...South winds 5 to 15 knots becoming southwest. Showers
likely through the early overnight, then showers with a chance of
thunderstorms late.
.SATURDAY...Southwest winds 10 to 15 knots. Showers likely with a
chance of thunderstorms early, then showers likely. A chance of
showers late.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming northwest. A
chance of rain showers in the evening.
.SUNDAY...Northwest winds 5 to 10 knots. Sunny.
.SUNDAY NIGHT...Northwest winds less than 10 knots. Partly to
mostly cloudy.
.MONDAY...East winds less than 10 knots becoming south and
increasing to 15 to 20 knots. Rain showers likely during the day,
then rain showers Monday night.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 5 to
15 knots. A chance of rain showers during the day.
.WEDNESDAY...West winds less than 10 knots. Partly cloudy.

Winds and waves higher in and near thunderstorms.

$$

SLZ024-190300-
Saint Lawrence River from Ogdensburg to Saint Regis-
401 PM EDT Fri Apr 18 2025

.TONIGHT...Southwest winds 5 to 15 knots. Showers through the
early overnight, then showers with a chance of thunderstorms
late.
.SATURDAY...Southwest winds 10 to 15 knots. Showers likely with a
chance of thunderstorms in the morning, then showers likely early
in the afternoon. A chance of showers late.
.SATURDAY NIGHT...West winds 10 to 15 knots becoming northwest. A
chance of rain showers in the evening.
.SUNDAY...Northwest winds around 10 knots. Sunny.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and
variable. Mainly clear in the evening, then becoming mostly
cloudy.
.MONDAY...East winds 10 knots or less becoming south. A chance of
rain showers during the day, then rain showers Monday night.
.TUESDAY...Southwest winds 5 to 15 knots becoming west. A chance
of rain showers during the day.
.WEDNESDAY...West winds 5 to 10 knots becoming light and
variable. Partly cloudy.

Winds and waves higher in and near thunderstorms.

$$