720
FZUS51 KBUF 200203
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
1003 PM EDT Tue Aug 19 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.

LEZ020-200900-
Upper Niagara River and Buffalo Harbor-
1003 PM EDT Tue Aug 19 2025

.REST OF TONIGHT...East winds 10 knots or less becoming south.
Showers.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming northeast. A
chance of showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. A chance of
showers.
.THURSDAY...Northeast winds 5 to 10 knots. Partly to mostly
sunny.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming light
and variable. Mainly clear.
.FRIDAY...Light and variable winds. Mainly clear.
.SATURDAY...South winds 10 knots or less becoming southwest. A
chance of showers Saturday night.
.SUNDAY...Southwest winds 10 knots or less becoming west. A
chance of showers.

The water temperature off Buffalo is 76 degrees.

$$

LOZ030-200900-
Lower Niagara River-
1003 PM EDT Tue Aug 19 2025

.REST OF TONIGHT...East winds 5 to 10 knots becoming southeast.
Showers.
.WEDNESDAY...East winds 5 to 15 knots becoming northeast. A
chance of showers in the morning.
.WEDNESDAY NIGHT...Northeast winds 5 to 15 knots. Mostly cloudy.
.THURSDAY...Northeast winds 5 to 10 knots. Partly to mostly
sunny.
.THURSDAY NIGHT...Northeast winds 5 to 10 knots becoming light
and variable. Mainly clear.
.FRIDAY...East winds less than 10 knots becoming south. Mainly
clear.
.SATURDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers.
.SUNDAY...Southwest winds 5 to 10 knots becoming west. A chance
of showers.

$$

LEZ041-200900-
Dunkirk to Buffalo along Lake Erie-
1003 PM EDT Tue Aug 19 2025

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

.REST OF TONIGHT...East winds 5 to 10 knots becoming south.
Showers likely late this evening, then showers with a chance of
thunderstorms after midnight. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming northeast. A
chance of showers in the morning. A chance of waterspouts. Waves
2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots increasing to
15 to 20 knots. A chance of waterspouts in the evening. A chance
of showers. Waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots. Mostly cloudy in the morning, then becoming mostly
sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 5 to 15 knots becoming east
less than 10 knots. Mainly clear. Waves 1 to 3 feet subsiding to
1 foot or less.
.FRIDAY...East winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers Saturday night. Waves 2 feet or less.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-200900-
Ripley to Dunkirk along Lake Erie-
1003 PM EDT Tue Aug 19 2025

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

.REST OF TONIGHT...Southeast winds 5 to 10 knots becoming south.
Showers late this evening, then showers with a chance of
thunderstorms after midnight. Waves 1 foot or less.
.WEDNESDAY...South winds around 10 knots becoming northeast. A
chance of waterspouts. A chance of showers. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots increasing to
15 to 20 knots. A chance of waterspouts in the evening. A chance
of showers. Waves 1 to 3 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet. Waves occasionally around 6 feet.
.THURSDAY...Northeast winds 15 to 20 knots. Mostly cloudy in the
morning, then becoming mostly sunny. Waves 2 to 4 feet.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots becoming east
5 to 15 knots. Mainly clear. Waves 2 to 4 feet subsiding to
1 foot or less.
.FRIDAY...East winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-200900-
Niagara River to Hamlin Beach along Lake Ontario-
1003 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH THURSDAY EVENING...

.REST OF TONIGHT...East winds 10 to 15 knots. Showers, then
showers likely late. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...East winds 10 to 15 knots becoming northeast 15 to
20 knots. A chance of showers. Waves 1 to 3 feet building to 2 to
4 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 25 knots becoming east.
Mostly cloudy. Waves 2 to 4 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.THURSDAY...East winds 15 to 20 knots. Partly sunny in the
morning, then becoming mostly sunny. Waves 3 to 6 feet. Waves
occasionally around 7 feet.
.THURSDAY NIGHT...East winds 15 to 20 knots becoming northeast
and diminishing to 5 to 10 knots. Mainly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.FRIDAY...Northeast winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...Southwest winds 5 to 10 knots. A chance of showers
Saturday night. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers. Waves 1 to 2 feet.

$$

LOZ043-200900-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
1003 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...

.REST OF TONIGHT...East winds 10 to 15 knots becoming southeast.
Showers late this evening, then showers with a chance of
thunderstorms after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots becoming east.
Showers in the morning, then a chance of showers in the
afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers in the evening. Waves 1 to 3 feet
building to 3 to 6 feet. Waves occasionally around 7 feet.
.THURSDAY...East winds 15 to 20 knots becoming northeast 10 to
15 knots. Mostly cloudy in the morning, then becoming mostly
sunny. Waves 3 to 6 feet subsiding to 2 to 4 feet. Waves
occasionally around 7 feet.
.THURSDAY NIGHT...Northeast winds 5 to 15 knots. Mainly clear.
Waves 1 to 3 feet.
.FRIDAY...Northeast winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers Saturday night. Waves 1 foot or less.
.SUNDAY...Southwest winds around 10 knots. A chance of showers
and thunderstorms. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 46 degrees.

$$

LOZ044-200900-
Sodus Bay to Mexico Bay along Lake Ontario-
1003 PM EDT Tue Aug 19 2025

.REST OF TONIGHT...Southeast winds 5 to 15 knots. Showers. Waves
2 feet or less.
.WEDNESDAY...Southeast winds 10 to 15 knots becoming east.
Showers in the morning, then a chance of showers in the
afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. A chance of showers
in the evening. Waves 1 to 3 feet.
.THURSDAY...East winds 10 to 15 knots becoming northeast.
Becoming mostly sunny. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 10 knots or less becoming east.
Mainly clear. Waves 2 feet or less.
.FRIDAY...East winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 15 knots. Showers likely Saturday
night. Waves 1 foot or less.
.SUNDAY...South winds 5 to 15 knots becoming southwest. Showers
likely with a chance of thunderstorms during the day, then a
chance of showers and thunderstorms Sunday night. Waves 2 feet or
less.

Winds and waves higher in and near thunderstorms.

$$

LOZ045-200900-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
1003 PM EDT Tue Aug 19 2025

.REST OF TONIGHT...East winds 10 to 15 knots becoming southeast.
Showers. Waves 2 feet or less.
.WEDNESDAY...Southeast winds 10 to 15 knots becoming east.
Showers in the morning, then a chance of showers in the
afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots increasing to 10 to
15 knots. A chance of showers in the evening. Waves 2 feet or
less.
.THURSDAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Mostly sunny. Waves 2 feet or less.
.THURSDAY NIGHT...Northeast winds 10 knots or less. Mainly clear.
Waves 1 foot or less.
.FRIDAY...Northeast winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...South winds 10 to 15 knots. Showers likely Saturday
night. Waves 1 to 3 feet.
.SUNDAY...South winds 10 to 15 knots becoming southwest. Showers
likely during the day, then a chance of showers Sunday night.
Waves 1 to 3 feet.

$$