831
FZUS51 KBUF 200903
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 AM EST Thu Nov 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.

LEZ020-201600-
Upper Niagara River and Buffalo Harbor-
403 AM EST Thu Nov 20 2025

.TODAY...East winds less than 10 knots becoming southwest. Mostly
sunny.
.TONIGHT...Light and variable winds becoming southwest 5 to
10 knots. Mostly cloudy.
.FRIDAY...Southwest winds 5 to 10 knots becoming west. Mostly
cloudy.
.FRIDAY NIGHT...West winds 10 knots or less becoming northwest.
Mostly cloudy.
.SATURDAY...Northwest winds less than 10 knots. Partly to mostly
cloudy.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. Partly to
mostly cloudy.
.MONDAY...West winds 10 knots or less becoming southeast. A
chance of rain showers Monday night.

The water temperature off Buffalo is 47 degrees.

$$

LOZ030-201600-
Lower Niagara River-
403 AM EST Thu Nov 20 2025

.TODAY...Southeast winds less than 10 knots. Mostly sunny.
.TONIGHT...Light and variable winds becoming southwest 5 to
10 knots. Mostly cloudy.
.FRIDAY...Southwest winds 5 to 10 knots becoming west. Mostly
cloudy in the morning, then becoming partly sunny.
.FRIDAY NIGHT...West winds 10 knots or less becoming northwest.
Partly to mostly cloudy.
.SATURDAY...Northwest winds less than 10 knots. Partly cloudy.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. Partly to
mostly cloudy.
.MONDAY...West winds 10 knots or less becoming southeast. Partly
to mostly cloudy.

$$

LEZ040-041-201600-
Buffalo to Ripley along Lake Erie-
403 AM EST Thu Nov 20 2025

.TODAY...South winds 10 knots or less becoming southwest. Mostly
sunny. Waves 1 foot or less.
.TONIGHT...Southwest winds 10 knots or less increasing to 10 to
15 knots. Mostly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 5 to 10 knots becoming north. Mostly
cloudy. Waves 1 to 3 feet.
.SATURDAY...North winds 10 knots or less becoming southwest.
Partly to mostly cloudy. Waves 1 foot or less.
.SUNDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Partly to mostly cloudy. Waves 1 to 3 feet building to
3 to 5 feet, then subsiding to 2 to 4 feet. Waves occasionally
around 6 feet.
.MONDAY...West winds 5 to 15 knots becoming southeast. A chance
of rain showers Monday night. Waves 1 to 3 feet.

$$

LOZ042-201600-
Niagara River to Hamlin Beach along Lake Ontario-
403 AM EST Thu Nov 20 2025

.TODAY...Southeast winds 10 knots or less becoming east. Mostly
sunny. Waves 1 foot or less.
.TONIGHT...South winds 10 knots or less becoming southwest.
Mostly cloudy. Waves 1 foot or less.
.FRIDAY...Southwest winds 10 to 15 knots becoming west. Mostly
cloudy in the morning, then becoming partly sunny. Waves 1 to
3 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots becoming northwest.
Mostly cloudy. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming southwest.
Partly to mostly cloudy. Waves 2 feet or less.
.SUNDAY...Southwest winds 15 to 20 knots becoming west. Partly to
mostly cloudy. Waves 2 feet or less building to 2 to 4 feet.
.MONDAY...West winds 5 to 15 knots becoming southeast. Mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.

$$

LOZ043-201600-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
403 AM EST Thu Nov 20 2025

.TODAY...Southeast winds 5 to 10 knots. Becoming mostly sunny.
Waves 1 foot or less.
.TONIGHT...South winds 10 knots or less becoming southwest.
Partly cloudy in the evening, then becoming mostly cloudy. Waves
1 foot or less.
.FRIDAY...Southwest winds 10 to 15 knots becoming west. Mostly
cloudy. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming northwest.
Mostly cloudy. Waves 1 to 3 feet.
.SATURDAY...North winds 5 to 10 knots becoming southwest. Mostly
cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Mostly cloudy. Waves 1 foot or less building to 3 to
5 feet. Waves occasionally around 6 feet.
.MONDAY...West winds 15 to 20 knots becoming south 5 to 15 knots.
Mostly cloudy. Waves 3 to 5 feet subsiding to 2 feet or less.
Waves occasionally around 6 feet.

The water temperature off Rochester is 48 degrees.

$$

LOZ044-201600-
Sodus Bay to Mexico Bay along Lake Ontario-
403 AM EST Thu Nov 20 2025

.TODAY...Southeast winds 5 to 10 knots. Mostly cloudy this
morning, then clearing. Waves 1 foot or less.
.TONIGHT...Southeast winds 5 to 15 knots becoming south. Partly
cloudy in the evening, then becoming mostly cloudy. Waves 1 foot
or less.
.FRIDAY...South winds 10 to 15 knots becoming west. A chance of
rain showers. Waves 1 to 3 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming northwest. A
chance of rain showers in the evening. Waves 2 to 4 feet.
.SATURDAY...North winds 5 to 15 knots becoming southwest. Partly
to mostly cloudy. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming west 15 to
20 knots. A chance of rain showers. Waves 1 to 3 feet building to
3 to 6 feet. Waves occasionally around 7 feet.
.MONDAY...West winds 15 to 20 knots becoming south 5 to 15 knots.
A chance of rain showers. Waves 3 to 5 feet subsiding to 1 to
3 feet. Waves occasionally around 6 feet.

$$

LOZ045-201600-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 AM EST Thu Nov 20 2025

.TODAY...East winds 10 knots or less. Mostly cloudy this morning,
then becoming mostly sunny. Waves 1 foot or less.
.TONIGHT...Southeast winds 5 to 15 knots becoming south. Partly
cloudy in the evening, then becoming mostly cloudy. Waves 1 to
3 feet.
.FRIDAY...South winds 15 to 20 knots becoming southwest. Rain
showers likely. Waves 2 to 4 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming north. A
chance of rain showers in the evening. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SATURDAY...North winds 5 to 10 knots becoming southwest. Partly
to mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of rain showers. Waves 2 feet or less building
to 3 to 5 feet. Waves occasionally around 6 feet.
.MONDAY...West winds 15 to 20 knots becoming south 5 to 15 knots.
A chance of rain showers. Waves 3 to 5 feet subsiding to 1 to
3 feet. Waves occasionally around 6 feet.

$$