410
FZUS51 KBUF 210203
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
1003 PM EDT Wed Aug 20 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.

LEZ020-210900-
Upper Niagara River and Buffalo Harbor-
1003 PM EDT Wed Aug 20 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Cloudy.
.THURSDAY...Northeast winds 5 to 10 knots. Mostly cloudy.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming light
and variable. Mainly clear.
.FRIDAY...Light and variable winds. Sunny.
.FRIDAY NIGHT...Northeast winds less than 10 knots. Mainly clear
in the evening, then becoming partly cloudy.
.SATURDAY...South winds 10 knots or less becoming southwest.
Showers likely with a chance of thunderstorms Saturday night.
.SUNDAY...Southwest winds 10 knots or less. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Sunday night.
.MONDAY...West winds 5 to 10 knots. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 76 degrees.

$$

LOZ030-210900-
Lower Niagara River-
1003 PM EDT Wed Aug 20 2025

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Cloudy.
.THURSDAY...Northeast winds around 10 knots. Mostly cloudy in the
morning, then becoming partly sunny.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming light
and variable. Mainly clear.
.FRIDAY...Light and variable winds becoming north 5 to 10 knots.
Sunny.
.FRIDAY NIGHT...East winds less than 10 knots. Mainly clear in
the evening, then becoming partly cloudy.
.SATURDAY...South winds 5 to 10 knots becoming southwest. Showers
likely with a chance of thunderstorms Saturday night.
.SUNDAY...Southwest winds 10 knots or less becoming west. Showers
likely during the day, then a chance of showers Sunday night.
.MONDAY...West winds 5 to 10 knots. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

LEZ041-210900-
Dunkirk to Buffalo along Lake Erie-
1003 PM EDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...Northeast winds 15 to 20 knots diminishing to
10 to 15 knots. A chance of waterspouts late this evening. Patchy
drizzle after midnight. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots. Mostly cloudy in the
morning, then becoming partly sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 5 to 15 knots becoming east
less than 10 knots. Becoming mainly clear. Waves 2 feet or less.
.FRIDAY...East winds 10 knots or less becoming northwest. Sunny.
Waves 1 foot or less.
.FRIDAY NIGHT...North winds 10 knots or less becoming south.
Mainly clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming southwest. Showers
likely with a chance of thunderstorms Saturday night. Waves
2 feet or less.
.SUNDAY...Southwest winds 5 to 15 knots. Showers likely with a
chance of thunderstorms during the day, then a chance of showers
and thunderstorms Sunday night. Waves 1 to 2 feet.
.MONDAY...West winds 5 to 15 knots. A chance of showers and
thunderstorms. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-210900-
Ripley to Dunkirk along Lake Erie-
1003 PM EDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...Northeast winds 15 to 20 knots diminishing to
10 to 15 knots. A chance of waterspouts late this evening. Waves
2 to 4 feet.
.THURSDAY...Northeast winds 10 to 15 knots. Mostly cloudy in the
morning, then becoming partly sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 5 to 15 knots becoming east
less than 10 knots. Partly cloudy in the evening, then becoming
mainly clear. Waves 1 to 3 feet subsiding to 1 foot or less.
.FRIDAY...East winds 10 knots or less becoming north. Sunny.
Waves 1 foot or less.
.FRIDAY NIGHT...Northeast winds 10 knots or less becoming south.
Mainly clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming southwest. Showers
likely with a chance of thunderstorms Saturday night. Waves
2 feet or less.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. Showers
likely during the day, then a chance of showers Sunday night.
Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots. A chance of showers and
thunderstorms. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-210900-
Niagara River to Hamlin Beach along Lake Ontario-
1003 PM EDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Patchy fog
after midnight. Waves 3 to 6 feet. Waves occasionally around
7 feet.
.THURSDAY...Northeast winds 15 to 20 knots becoming east 10 to
15 knots. Mostly cloudy in the morning, then becoming partly
sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves
occasionally around 6 feet.
.THURSDAY NIGHT...East winds 5 to 15 knots becoming northeast
less than 10 knots. Mainly clear. Waves 1 to 3 feet subsiding to
1 foot or less.
.FRIDAY...Northeast winds less than 10 knots becoming north.
Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...East winds 10 knots or less becoming south.
Partly cloudy. Waves 1 foot or less.
.SATURDAY...Southwest winds 5 to 10 knots. Showers likely with a
chance of thunderstorms Saturday night. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Sunday night. Waves 1 to
2 feet.
.MONDAY...West winds 10 to 15 knots. A chance of showers. Waves
1 to 3 feet building to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ043-210900-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
1003 PM EDT Wed Aug 20 2025

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

.REST OF TONIGHT...East winds 15 to 20 knots. Patchy fog after
midnight. Waves 3 to 5 feet. Waves occasionally around 6 feet.
.THURSDAY...East winds 5 to 15 knots becoming northeast. Mostly
cloudy in the morning, then becoming partly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming north.
Becoming mainly clear. Waves 1 to 2 feet.
.FRIDAY...North winds 10 knots or less. Sunny. Waves 1 foot or
less.
.FRIDAY NIGHT...Light and variable winds becoming south 5 to
10 knots. Mainly clear in the evening, then becoming partly
cloudy. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots. Showers likely with a
chance of thunderstorms Saturday night. Waves 1 foot or less.
.SUNDAY...Southwest winds 5 to 10 knots. Showers likely with a
chance of thunderstorms. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers and thunderstorms. Waves 1 to 3 feet building to 2 to
4 feet.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 46 degrees.

$$

LOZ044-210900-
Sodus Bay to Mexico Bay along Lake Ontario-
1003 PM EDT Wed Aug 20 2025

.REST OF TONIGHT...East winds 10 to 15 knots. Patchy fog after
midnight. Waves 2 feet or less.
.THURSDAY...East winds 5 to 10 knots becoming northeast. Mostly
cloudy in the morning, then becoming mostly sunny. Waves 2 feet
or less.
.THURSDAY NIGHT...Northeast winds 10 knots or less becoming east.
Mainly clear. Waves 1 foot or less.
.FRIDAY...East winds 10 knots or less becoming northwest. Sunny.
Waves 1 foot or less.
.FRIDAY NIGHT...West winds 10 knots or less becoming south.
Mainly clear in the evening, then becoming partly cloudy. Waves
1 foot or less.
.SATURDAY...South winds 5 to 15 knots. Showers likely with a
chance of thunderstorms Saturday night. Waves 2 feet or less.
.SUNDAY...South winds 5 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms. Waves 2 feet or less.
.MONDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers. Waves 1 to 3 feet building to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ045-210900-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
1003 PM EDT Wed Aug 20 2025

.REST OF TONIGHT...East winds 5 to 15 knots becoming northeast.
Patchy fog late. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots becoming north. Partly
sunny in the morning, then becoming mostly sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...North winds 10 knots or less becoming
northeast. Mainly clear. Waves 1 foot or less.
.FRIDAY...Northeast winds 10 knots or less becoming west. Sunny.
Waves 1 foot or less.
.FRIDAY NIGHT...West winds 10 knots or less becoming south.
Mainly clear in the evening, then becoming partly cloudy. Waves
1 foot or less.
.SATURDAY...South winds 5 to 15 knots increasing to 15 to
20 knots. Showers likely with a chance of thunderstorms Saturday
night. Waves 1 to 3 feet.
.SUNDAY...South winds 15 to 20 knots diminishing to 5 to
15 knots. Showers likely with a chance of thunderstorms. Waves
1 to 3 feet.
.MONDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers. Waves 1 to 3 feet building to 2 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$