868
FZUS51 KBUF 171404
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
1003 AM EDT Sun Aug 17 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.

LEZ020-172100-
Upper Niagara River and Buffalo Harbor-
1003 AM EDT Sun Aug 17 2025

.REST OF TODAY...Southwest winds 5 to 10 knots becoming
northeast. A chance of showers and thunderstorms late this
morning, then showers likely with a chance of thunderstorms early
this afternoon. Showers likely late.
.TONIGHT...Northeast winds around 10 knots. Mostly cloudy in the
evening, then clearing.
.MONDAY...Northeast winds around 10 knots. Mostly sunny.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming east.
Partly cloudy.
.TUESDAY...Southeast winds 10 knots or less. A chance of showers
during the day, then showers likely with a chance of
thunderstorms Tuesday night.
.WEDNESDAY...East winds 10 knots or less becoming northeast.
Showers likely during the day, then a chance of showers Wednesday
night.
.THURSDAY...Northeast winds 5 to 10 knots becoming light and
variable. Becoming mainly clear.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 78 degrees.

$$

LOZ030-172100-
Lower Niagara River-
1003 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...Northwest winds 5 to 15 knots becoming northeast
15 to 20 knots. A chance of showers and thunderstorms late this
morning, then showers likely with a chance of thunderstorms early
this afternoon. Showers likely late.
.TONIGHT...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Mostly cloudy in the evening, then clearing.
.MONDAY...Northeast winds 10 to 15 knots. Mostly sunny.
.MONDAY NIGHT...East winds 5 to 10 knots. Partly to mostly
cloudy.
.TUESDAY...East winds 5 to 10 knots becoming southeast. A chance
of showers during the day, then showers likely with a chance of
thunderstorms Tuesday night.
.WEDNESDAY...East winds 5 to 10 knots becoming northeast. Showers
likely during the day, then a chance of showers Wednesday night.
.THURSDAY...Northeast winds 5 to 10 knots becoming light and
variable. Becoming mainly clear.

Winds and waves higher in and near thunderstorms.

$$

LEZ041-172100-
Dunkirk to Buffalo along Lake Erie-
1003 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH MONDAY MORNING...

.REST OF TODAY...West winds 10 to 15 knots becoming north 15 to
20 knots. Showers likely with a chance of thunderstorms, then
showers likely late. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 15 to 20 knots. A chance of showers in
the evening. Waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.MONDAY...Northeast winds 15 to 20 knots diminishing to 5 to
15 knots. Mostly sunny. Waves 1 to 3 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots becoming east.
Partly cloudy. Waves 2 feet or less.
.TUESDAY...Southeast winds 10 knots or less. Showers likely
Tuesday night. Waves 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming northeast.
Showers likely during the day, then a chance of showers Wednesday
night. Waves 1 foot or less.
.THURSDAY...Northeast winds 10 knots or less becoming east.
Partly cloudy, then becoming mainly clear. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-172100-
Ripley to Dunkirk along Lake Erie-
1003 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH MONDAY MORNING...

.REST OF TODAY...West winds 10 to 15 knots becoming north 15 to
20 knots. A chance of showers and thunderstorms late this
morning, then showers likely with a chance of thunderstorms early
this afternoon. Showers likely late. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 15 to 20 knots becoming east. A chance
of showers in the evening. Waves 2 to 4 feet building to 3 to
5 feet, then subsiding to 2 to 4 feet. Waves occasionally around
6 feet.
.MONDAY...East winds 15 to 20 knots becoming northeast 10 to
15 knots. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast.
Partly cloudy. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots. Showers likely Tuesday
night. Waves 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming northeast.
Showers likely during the day, then a chance of showers Wednesday
night. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots becoming east. Partly
cloudy, then becoming mainly clear. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-172100-
Niagara River to Hamlin Beach along Lake Ontario-
1003 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH MONDAY AFTERNOON...

.REST OF TODAY...Northwest winds around 10 knots becoming
northeast and increasing to 15 to 20 knots. A chance of showers
and thunderstorms late this morning, then showers likely with a
chance of thunderstorms early this afternoon. A chance of showers
late. Waves 1 to 2 feet building to 2 to 4 feet.
.TONIGHT...Northeast winds 15 to 20 knots. Mostly cloudy in the
evening, then clearing. Waves 3 to 6 feet building to 4 to
7 feet. Waves occasionally around 9 feet.
.MONDAY...Northeast winds 15 to 20 knots becoming east. Mostly
sunny. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.MONDAY NIGHT...East winds 5 to 15 knots. Partly to mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...East winds 5 to 10 knots. A chance of showers during
the day, then showers likely with a chance of thunderstorms
Tuesday night. Waves 2 feet or less.
.WEDNESDAY...East winds 5 to 15 knots becoming northeast. Showers
likely during the day, then a chance of showers Wednesday night.
Waves 1 to 3 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming east. Becoming
mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ043-044-172100-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
1003 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...West winds 5 to 10 knots becoming northeast and
increasing to 15 to 25 knots this afternoon. Showers likely with
a chance of thunderstorms, then showers likely late. Waves 1 foot
or less building to 4 to 7 feet. Waves occasionally around
9 feet.
.TONIGHT...Northeast winds 15 to 25 knots. A chance of showers in
the evening. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.MONDAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Sunny. Waves 4 to 7 feet subsiding to 2 to 4 feet.
Waves occasionally around 9 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast.
Partly to mostly cloudy. Waves 1 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. A chance of showers
during the day, then showers likely with a chance of
thunderstorms Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming northeast.
Showers likely during the day, then a chance of showers Wednesday
night. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming east. Becoming
mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 62 degrees.

$$

LOZ045-172100-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
1003 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...West winds 10 to 15 knots becoming north 15 to
20 knots. A chance of showers. Waves 1 foot or less building to
2 to 4 feet.
.TONIGHT...Northeast winds 15 to 25 knots. Becoming mainly clear.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.MONDAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Sunny. Waves 1 to 3 feet subsiding to 1 foot or less.
.MONDAY NIGHT...Northeast winds 5 to 10 knots becoming east.
Partly cloudy in the evening, then becoming mostly cloudy. Waves
1 foot or less.
.TUESDAY...Southeast winds 5 to 15 knots. A chance of showers
during the day, then showers likely with a chance of
thunderstorms Tuesday night. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 5 to 15 knots becoming northeast.
Showers likely during the day, then a chance of showers Wednesday
night. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots. Mainly clear. Waves
1 foot or less.

Winds and waves higher in and near thunderstorms.

$$