630
FZUS51 KBUF 242003
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 PM EDT Sun Aug 24 2025

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LEZ020-250300-
Upper Niagara River and Buffalo Harbor-
403 PM EDT Sun Aug 24 2025

.TONIGHT...Southwest winds 10 knots or less becoming west. A
chance of showers after midnight.
.MONDAY...West winds 5 to 10 knots. A chance of showers in the
afternoon.
.MONDAY NIGHT...West winds 10 knots or less. A chance of showers.
.TUESDAY...West winds 5 to 10 knots. A chance of showers.
.TUESDAY NIGHT...Northwest winds 10 knots or less becoming west.
A chance of showers in the evening.
.WEDNESDAY...West winds 10 knots or less becoming southwest.
Mainly clear, then becoming partly cloudy.
.THURSDAY...Southwest winds 10 knots or less becoming north. A
chance of showers.
.FRIDAY...North winds less than 10 knots. A chance of showers
during the day.

The water temperature off Buffalo is 73 degrees.

$$

LOZ030-250300-
Lower Niagara River-
403 PM EDT Sun Aug 24 2025

.TONIGHT...West winds 5 to 10 knots. Mainly clear this evening,
then becoming partly cloudy.
.MONDAY...West winds 5 to 15 knots. A chance of showers in the
afternoon.
.MONDAY NIGHT...West winds 5 to 15 knots. A chance of showers.
.TUESDAY...West winds 5 to 10 knots. A chance of showers in the
afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots becoming west. A
chance of showers.
.WEDNESDAY...West winds 5 to 10 knots becoming southwest. Mainly
clear, then becoming partly cloudy.
.THURSDAY...Southwest winds 5 to 15 knots becoming north. A
chance of showers.
.FRIDAY...North winds 10 knots or less becoming northeast. A
chance of showers during the day.

$$

LEZ041-250300-
Dunkirk to Buffalo along Lake Erie-
403 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...West winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of waterspouts after midnight. A chance of
showers after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.MONDAY...West winds 5 to 15 knots increasing to 15 to 20 knots.
A chance of waterspouts. A chance of showers. Waves 1 to 3 feet
building to 2 to 4 feet.
.MONDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of waterspouts. A chance of showers. Waves
2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...West winds 5 to 15 knots. A chance of waterspouts. A
chance of showers. Waves 1 to 3 feet.
.TUESDAY NIGHT...West winds 5 to 15 knots becoming northwest. A
chance of waterspouts. A chance of showers. Waves 1 to 3 feet.
.WEDNESDAY...West winds 5 to 15 knots becoming southwest. A
chance of waterspouts during the day. A chance of showers during
the day. Waves 2 feet or less.
.THURSDAY...Southwest winds 15 to 20 knots becoming northeast
5 to 15 knots. A chance of showers. Waves 1 to 3 feet building to
2 to 4 feet, then subsiding to 1 to 3 feet.
.FRIDAY...Northwest winds 10 knots or less becoming southeast. A
chance of showers during the day. Waves 2 feet or less.

$$

LEZ040-250300-
Ripley to Dunkirk along Lake Erie-
403 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...West winds 10 to 15 knots. A chance of showers from
late evening on. A chance of waterspouts after midnight. Waves
2 to 4 feet.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots.
A chance of waterspouts. A chance of showers. Waves 2 to 4 feet.
.MONDAY NIGHT...West winds 15 to 20 knots becoming northwest 5 to
15 knots. Waterspouts likely. Lake effect showers likely with a
few rumbles of thunder possible. Waves 2 to 4 feet.
.TUESDAY...Northwest winds 5 to 15 knots becoming west.
Waterspouts likely in the morning, then a chance of waterspouts
in the afternoon. Lake effect showers likely in the morning, then
showers likely in the afternoon. Waves 2 to 3 feet.
.TUESDAY NIGHT...West winds 10 to 15 knots becoming northwest. A
chance of waterspouts. A chance of showers. Waves 1 to 3 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming southwest. A
chance of waterspouts during the day. A chance of showers during
the day. Waves 1 to 2 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming north 5 to
15 knots. A chance of showers. Waves 1 to 3 feet building to 2 to
4 feet.
.FRIDAY...North winds 5 to 10 knots becoming east. A chance of
showers during the day. Waves 2 feet or less.

$$

LOZ042-250300-
Niagara River to Hamlin Beach along Lake Ontario-
403 PM EDT Sun Aug 24 2025

.TONIGHT...West winds 10 to 15 knots. Mainly clear this evening,
then becoming partly cloudy. Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots.
A chance of waterspouts in the afternoon. A chance of showers in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of waterspouts in the evening. A chance of
showers in the evening. Waves 3 to 5 feet subsiding to 2 to
4 feet. Waves occasionally around 6 feet.
.TUESDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of waterspouts. A chance of showers. Waves
2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots. A chance of
waterspouts. A chance of showers. Waves 2 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming southwest. A
chance of waterspouts during the day. A chance of showers during
the day. Waves 1 to 2 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming north 10 to
15 knots. A chance of showers. Waves 1 to 3 feet building to 2 to
4 feet.
.FRIDAY...North winds 5 to 10 knots. Partly cloudy. Waves 1 to
2 feet.

$$

LOZ043-250300-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
403 PM EDT Sun Aug 24 2025

.TONIGHT...Southwest winds 5 to 15 knots. Partly cloudy. Waves
2 feet or less.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots.
A chance of waterspouts. A chance of showers. Waves 1 to 3 feet
building to 3 to 5 feet. Waves occasionally around 6 feet.
.MONDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of waterspouts. A chance of showers. Waves
3 to 5 feet. Waves occasionally around 6 feet.
.TUESDAY...West winds 15 to 20 knots. A chance of waterspouts. A
chance of showers. Waves 2 to 4 feet building to 3 to 5 feet.
Waves occasionally around 6 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest
10 to 15 knots. A chance of waterspouts. A chance of showers.
Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally
around 6 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming southwest. A
chance of waterspouts during the day. A chance of showers during
the day. Waves 2 feet or less.
.THURSDAY...Southwest winds 15 to 20 knots becoming north 10 to
15 knots. A chance of showers. Waves 1 to 3 feet.
.FRIDAY...North winds 5 to 10 knots becoming northwest. A chance
of showers during the day. Waves 1 to 2 feet.

The water temperature off Rochester is 72 degrees.

$$

LOZ044-250300-
Sodus Bay to Mexico Bay along Lake Ontario-
403 PM EDT Sun Aug 24 2025

.TONIGHT...Southwest winds 10 knots or less. A chance of showers
early. Waves 1 foot or less.
.MONDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of waterspouts in the morning. A chance of
showers in the morning. Waves 1 to 3 feet building to 3 to
5 feet. Waves occasionally around 6 feet.
.MONDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of waterspouts in the evening, then
waterspouts likely overnight. A chance of showers in the evening,
then lake effect showers likely overnight. Waves 3 to 5 feet.
Waves occasionally around 6 feet.
.TUESDAY...West winds 10 to 15 knots increasing to 15 to
20 knots. Waterspouts likely in the morning, then a chance of
waterspouts in the afternoon. Lake effect showers likely. Waves
3 to 5 feet. Waves occasionally around 6 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest
10 to 15 knots. A chance of waterspouts. A chance of showers.
Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally
around 6 feet.
.WEDNESDAY...Northwest winds 5 to 15 knots becoming southwest. A
chance of waterspouts during the day. A chance of showers during
the day. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 5 to 15 knots becoming north. A
chance of showers. Waves 1 to 3 feet.
.FRIDAY...North winds 5 to 10 knots becoming east. A chance of
showers during the day. Waves 2 feet or less.

$$

LOZ045-250300-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 PM EDT Sun Aug 24 2025

.TONIGHT...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms early. A chance of showers after midnight. Some
thunderstorms may produce gusty winds early. Waves 2 feet or
less.
.MONDAY...Southwest winds 5 to 15 knots becoming west 15 to
20 knots. A chance of waterspouts in the morning. A chance of
showers. Waves 1 to 3 feet building to 3 to 5 feet. Waves
occasionally around 6 feet.
.MONDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of waterspouts. A chance of showers. Waves
3 to 5 feet. Waves occasionally around 6 feet.
.TUESDAY...West winds 10 to 15 knots increasing to 15 to
20 knots. A chance of waterspouts. Showers likely. Waves 2 to
4 feet building to 3 to 5 feet. Waves occasionally around 6 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest
5 to 15 knots. A chance of waterspouts. A chance of showers.
Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally
around 6 feet.
.WEDNESDAY...Northwest winds 5 to 15 knots becoming southwest.
Partly cloudy. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 15 to 20 knots becoming north 5 to
15 knots. A chance of showers. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.FRIDAY...North winds 5 to 10 knots becoming northeast. A chance
of showers during the day. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$