349
FZUS51 KBUF 201019
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
619 AM EDT Sun Apr 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.

LEZ020-201515-
Upper Niagara River and Buffalo Harbor-
619 AM EDT Sun Apr 20 2025

.TODAY...Northwest winds 5 to 10 knots becoming northeast. Mostly
sunny.
.TONIGHT...Northeast winds 5 to 10 knots becoming east. Mostly
cloudy.
.MONDAY...East winds 5 to 15 knots becoming south. Showers in the
morning, then showers with a chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots becoming southwest.
Showers with a chance of thunderstorms in the evening, then a
chance of showers overnight.
.TUESDAY...Southwest winds 10 to 15 knots becoming west 10 knots
or less. Partly cloudy.
.WEDNESDAY...West winds less than 10 knots becoming southeast.
Partly cloudy.
.THURSDAY...Southeast winds 10 knots or less. A chance of showers
Thursday night.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 40 degrees.

$$

LOZ030-201515-
Lower Niagara River-
619 AM EDT Sun Apr 20 2025

.TODAY...Northwest winds 5 to 10 knots becoming northeast. Mostly
sunny.
.TONIGHT...Northeast winds 10 knots or less becoming east. Mostly
cloudy.
.MONDAY...East winds 10 to 15 knots becoming south. Showers in
the morning, then showers with a chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots becoming southwest.
Showers with a chance of thunderstorms in the evening, then a
chance of showers overnight.
.TUESDAY...Southwest winds 15 to 20 knots becoming west and
diminishing to 10 knots or less. Becoming mainly clear.
.WEDNESDAY...Northwest winds less than 10 knots becoming east.
Partly cloudy.
.THURSDAY...East winds 10 knots or less becoming southeast. A
chance of showers Thursday night.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-041-201515-
Buffalo to Ripley along Lake Erie-
619 AM EDT Sun Apr 20 2025

.TODAY...Northwest winds 5 to 10 knots becoming northeast. Mostly
sunny. Waves 1 foot or less.
.TONIGHT...Northeast winds 5 to 10 knots becoming east. Mostly
cloudy. Waves 1 foot or less.
.MONDAY...Southeast winds 10 to 15 knots becoming south. Showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...South winds 15 to 20 knots becoming southwest.
Showers with a chance of thunderstorms in the evening, then a
chance of showers overnight. Waves 1 to 3 feet building to 3 to
5 feet. Waves occasionally around 6 feet.
.TUESDAY...Southwest winds 15 to 20 knots diminishing to less
than 10 knots. Becoming mainly clear. Waves 3 to 5 feet subsiding
to 2 feet or less. Waves occasionally around 6 feet.
.WEDNESDAY...Southeast winds less than 10 knots. Partly cloudy.
Waves 1 foot or less.
.THURSDAY...East winds 10 knots or less becoming southeast. A
chance of showers Thursday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-201515-
Niagara River to Hamlin Beach along Lake Ontario-
619 AM EDT Sun Apr 20 2025

.TODAY...Northwest winds 5 to 15 knots becoming north. Mostly
sunny. Waves 1 to 3 feet subsiding to 1 foot or less.
.TONIGHT...East winds 5 to 15 knots. Mostly cloudy. Waves 2 feet
or less.
.MONDAY...East winds 15 to 20 knots becoming southeast. Showers.
Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY NIGHT...South winds 15 to 20 knots becoming southwest.
Showers in the evening, then a chance of showers overnight. Waves
1 to 3 feet building to 3 to 5 feet. Waves occasionally around
6 feet.
.TUESDAY...West winds 15 to 20 knots diminishing to 5 to
10 knots. Becoming mainly clear. Waves 3 to 5 feet subsiding to
1 to 3 feet. Waves occasionally around 6 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots becoming east. Partly
cloudy. Waves 1 foot or less.
.THURSDAY...East winds 5 to 10 knots. A chance of showers
Thursday night. Waves 1 foot or less.

$$

LOZ043-044-201515-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
619 AM EDT Sun Apr 20 2025

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

.TODAY...Northwest winds 15 to 20 knots becoming north 5 to
15 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to
3 feet. Waves occasionally around 6 feet.
.TONIGHT...East winds 10 knots or less increasing to 10 to
15 knots. Partly to mostly cloudy. Waves 2 feet or less.
.MONDAY...East winds 15 to 20 knots becoming southeast. Rain
showers likely in the morning, then rain showers in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet.
.MONDAY NIGHT...South winds 15 to 20 knots becoming southwest.
Showers in the evening, then showers likely overnight. Waves 1 to
3 feet.
.TUESDAY...Southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. Mostly cloudy, then clearing. Waves
3 to 6 feet subsiding to 2 to 4 feet. Waves occasionally around
7 feet.
.WEDNESDAY...West winds 10 knots or less becoming southeast.
Mainly clear, then becoming partly cloudy. Waves 2 feet or less.
.THURSDAY...Southeast winds 5 to 10 knots. Partly to mostly
cloudy. Waves 1 foot or less.

The water temperature off Rochester is 41 degrees.

$$

LOZ045-201515-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
619 AM EDT Sun Apr 20 2025

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

.TODAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to
3 feet. Waves occasionally around 6 feet.
.TONIGHT...Southwest winds 10 knots or less becoming east. Mainly
clear in the evening, then becoming partly cloudy. Waves 1 foot
or less.
.MONDAY...East winds 5 to 15 knots becoming southeast 15 to
20 knots. A chance of rain showers in the morning, then rain
showers likely in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southeast winds 15 to 25 knots becoming
southwest. Showers likely. Waves 2 to 4 feet building to 3 to
5 feet. Waves occasionally around 6 feet.
.TUESDAY...Southwest winds 15 to 20 knots becoming west and
diminishing to 5 to 10 knots. Partly to mostly cloudy. Waves 3 to
6 feet building to 4 to 7 feet, then subsiding to 2 to 4 feet.
Waves occasionally around 9 feet.
.WEDNESDAY...West winds 5 to 10 knots becoming southeast. Partly
cloudy. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 10 knots becoming southeast. A
chance of showers Thursday night. Waves 1 foot or less.

$$