467
FZUS51 KBUF 180803
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 AM EDT Mon Aug 18 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.

LEZ020-181500-
Upper Niagara River and Buffalo Harbor-
403 AM EDT Mon Aug 18 2025

.TODAY...Northeast winds 5 to 10 knots. Sunny.
.TONIGHT...Northeast winds 10 knots or less becoming east. Mainly
clear.
.TUESDAY...Southeast winds 10 knots or less becoming south.
Partly to mostly sunny.
.TUESDAY NIGHT...Southeast winds 10 knots or less becoming south.
A chance of showers in the evening, then showers likely
overnight.
.WEDNESDAY...Southwest 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. A chance of showers during the day.
.FRIDAY...East winds less than 10 knots becoming south. Mainly
clear.

The water temperature off Buffalo is 78 degrees.

$$

LOZ030-181500-
Lower Niagara River-
403 AM EDT Mon Aug 18 2025

.TODAY...Northeast winds 10 to 15 knots. Sunny.
.TONIGHT...East winds 5 to 10 knots. Mainly clear in the evening,
then becoming partly cloudy.
.TUESDAY...Southeast winds 5 to 10 knots. Partly to mostly sunny.
.TUESDAY NIGHT...Southeast winds 10 knots or less becoming south.
A chance of showers in the evening, then showers likely
overnight.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming northeast.
Showers likely during the day, then a chance of showers Wednesday
night.
.THURSDAY...Northeast winds 10 knots or less becoming east.
Partly cloudy, then becoming mainly clear.
.FRIDAY...East winds 10 knots or less becoming south. Mainly
clear, then becoming partly cloudy.

$$

LEZ041-181500-
Dunkirk to Buffalo along Lake Erie-
403 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.TODAY...East winds 10 to 15 knots becoming northeast. Sunny.
Waves 1 to 3 feet.
.TONIGHT...Northeast winds 5 to 15 knots becoming southeast.
Mainly clear. Waves 2 feet or less.
.TUESDAY...Southeast winds 5 to 10 knots becoming south. Partly
to mostly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 10 knots or less becoming south.
A chance of showers. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming northeast. A
chance of showers. Waves 1 foot or less.
.THURSDAY...Northeast winds 5 to 10 knots becoming east. A chance
of showers during the day. Waves 2 feet or less.
.FRIDAY...East winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.

$$

LEZ040-181500-
Ripley to Dunkirk along Lake Erie-
403 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

.TODAY...East winds 15 to 20 knots becoming northeast 10 to
15 knots. Sunny. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 5 to 15 knots becoming southeast.
Mainly clear. Waves 2 feet or less.
.TUESDAY...South winds 5 to 10 knots becoming southeast. Partly
to mostly sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East winds 5 to 10 knots becoming south. A
chance of showers. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming northeast. A
chance of showers. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots becoming east. Partly
cloudy, then becoming clear. Waves 2 feet or less.
.FRIDAY...East winds 5 to 10 knots becoming south. Mainly clear.
Waves 1 foot or less.

$$

LOZ042-181500-
Niagara River to Hamlin Beach along Lake Ontario-
403 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.TODAY...Northeast winds 15 to 20 knots becoming east. Sunny.
Waves 3 to 6 feet. Waves occasionally around 7 feet.
.TONIGHT...East winds 5 to 15 knots becoming southeast. Partly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots becoming east. Partly
sunny. Waves 1 foot or less.
.TUESDAY NIGHT...East winds 5 to 10 knots becoming south. A
chance of showers. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming northeast. A
chance of showers. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 5 to 15 knots becoming east. Becoming
mainly clear. Waves 1 to 3 feet.
.FRIDAY...East winds 5 to 10 knots becoming south. Mainly clear,
then becoming partly cloudy. Waves 1 foot or less.

$$

LOZ043-044-181500-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
403 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.TODAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Sunny. Waves 3 to 6 feet subsiding to 2 to 4 feet.
Waves occasionally around 7 feet.
.TONIGHT...Northeast winds 5 to 15 knots becoming southeast.
Partly cloudy. Waves 1 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Partly to mostly sunny.
Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 15 knots becoming south. A
chance of showers. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 15 knots becoming northeast. A
chance of showers. Waves 1 to 3 feet.
.THURSDAY...Northeast winds 5 to 15 knots. Partly cloudy, then
becoming mainly clear. Waves 1 to 3 feet.
.FRIDAY...Northeast winds 10 knots or less becoming south. Mainly
clear. Waves 1 foot or less.

The water temperature off Rochester is 62 degrees.

$$

LOZ045-181500-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.TODAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Sunny. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots becoming southeast.
Partly cloudy. Waves 1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots. Partly sunny. Waves
1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 15 knots becoming south. A
chance of showers. Waves 2 feet or less.
.WEDNESDAY...South winds 5 to 15 knots becoming northeast. A
chance of showers. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 15 knots. Partly cloudy, then
becoming mainly clear. Waves 1 foot or less.
.FRIDAY...Northeast winds 5 to 10 knots becoming south. Mainly
clear. Waves 1 foot or less.

$$