453
FZUS51 KBUF 202103
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 PM 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.

LEZ020-210400-
Upper Niagara River and Buffalo Harbor-
403 PM EST Thu Nov 20 2025

.TONIGHT...South winds 10 knots or less becoming southwest.
Mostly cloudy.
.FRIDAY...Southwest winds 5 to 15 knots becoming west. Mostly
cloudy in the morning, then becoming partly sunny.
.FRIDAY NIGHT...West winds 10 knots or less becoming northwest.
Mostly cloudy.
.SATURDAY...Northwest winds 10 knots or less. Partly sunny.
.SATURDAY NIGHT...Light and variable winds. Mostly cloudy.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. Partly to
mostly cloudy.
.MONDAY...West winds 5 to 10 knots becoming southeast. A chance
of rain showers Monday night.
.TUESDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Rain during the day, then rain showers likely Tuesday
night.

The water temperature off Buffalo is 47 degrees.

$$

LOZ030-210400-
Lower Niagara River-
403 PM EST Thu Nov 20 2025

.TONIGHT...Light and variable winds becoming southwest 5 to
10 knots. Mostly cloudy.
.FRIDAY...Southwest winds around 10 knots becoming west. Mostly
cloudy in the morning, then becoming partly sunny.
.FRIDAY NIGHT...West winds 10 knots or less becoming northwest.
Mostly cloudy.
.SATURDAY...Northwest winds 10 knots or less. Mostly sunny.
.SATURDAY NIGHT...West 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 5 to 10 knots becoming southeast. A chance
of rain showers Monday night.
.TUESDAY...Southeast winds 5 to 15 knots becoming southwest. Rain
during the day, then rain showers likely Tuesday night.

$$

LEZ040-041-210400-
Buffalo to Ripley along Lake Erie-
403 PM EST Thu Nov 20 2025

.TONIGHT...South winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. Mostly cloudy. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming west. Mostly
cloudy. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding
to 2 to 4 feet. Waves occasionally around 6 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots becoming north. Mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SATURDAY...North winds 5 to 10 knots becoming northwest. Partly
sunny. Waves 2 feet or less.
.SATURDAY NIGHT...Northwest winds 10 knots or less becoming
southwest. 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 2 to 4 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 15 to
20 knots. A chance of rain showers Monday night. Waves 2 feet or
less.
.TUESDAY...South winds 15 to 25 knots becoming southwest. Rain
during the day, then showers Tuesday night. Waves 1 to 3 feet
building to 3 to 5 feet. Waves occasionally around 6 feet.

$$

LOZ042-210400-
Niagara River to Hamlin Beach along Lake Ontario-
403 PM EST Thu Nov 20 2025

.TONIGHT...Southeast winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. Mostly cloudy. Waves 2 feet or
less.
.FRIDAY...Southwest winds 15 to 20 knots becoming west. Mostly
cloudy in the morning, then becoming partly sunny. Waves 1 to
3 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet.
Waves occasionally around 6 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots becoming northwest.
Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Mostly sunny. Waves
1 to 2 feet.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots becoming
southwest. 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
2 to 4 feet.
.MONDAY...West winds 5 to 15 knots becoming southeast. A chance
of rain showers Monday night. Waves 1 to 3 feet subsiding to
1 foot or less.
.TUESDAY...Southeast winds 10 to 15 knots becoming southwest
15 to 20 knots. Rain during the day, then rain showers likely
Tuesday night. Waves 1 to 3 feet.

$$

LOZ043-210400-
Hamlin Beach to Sodus Bay along Lake Ontario
including Irondequoit Bay-
403 PM EST Thu Nov 20 2025

.TONIGHT...Southeast winds 5 to 15 knots becoming southwest.
Partly cloudy this evening, then becoming mostly cloudy. Waves
2 feet or less.
.FRIDAY...Southwest winds 15 to 20 knots becoming west. Mostly
cloudy. Waves 1 to 3 feet building to 2 to 4 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots becoming northwest.
Mostly cloudy. Waves 2 to 4 feet.
.SATURDAY...Northwest winds 5 to 15 knots. Partly to mostly
sunny. Waves 1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots becoming
southwest. Mostly cloudy. Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Mostly cloudy. Waves 2 feet or less building to 3 to
5 feet. Waves occasionally around 6 feet.
.MONDAY...West winds 5 to 15 knots becoming southeast. Mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 15 to 20 knots becoming south. Rain
during the day, then showers likely Tuesday night. Waves 1 to
3 feet.

The water temperature off Rochester is 47 degrees.

$$

LOZ044-210400-
Sodus Bay to Mexico Bay along Lake Ontario-
403 PM EST Thu Nov 20 2025

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

$$

LOZ045-210400-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 PM EST Thu Nov 20 2025

.TONIGHT...East winds 5 to 15 knots becoming south 15 to
20 knots. Partly cloudy this evening, then becoming mostly
cloudy. Waves 2 feet or less building to 2 to 4 feet.
.FRIDAY...South winds 15 to 20 knots becoming west. A chance of
rain showers. Waves 3 to 6 feet. Waves occasionally around
7 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots becoming northwest
10 to 15 knots. Mostly cloudy. Waves 3 to 6 feet subsiding to
1 to 3 feet. Waves occasionally around 7 feet.
.SATURDAY...North winds 5 to 10 knots becoming northwest. Partly
to mostly sunny. Waves 1 to 3 feet subsiding to 1 foot or less.
.SATURDAY NIGHT...Northwest winds 10 knots or less becoming west.
Partly to mostly cloudy. Waves 1 foot or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming northwest. A
chance of rain showers. Waves 2 feet or less building to 3 to
5 feet. Waves occasionally around 6 feet.
.MONDAY...Northwest winds 5 to 15 knots becoming southeast.
Partly cloudy, then becoming mostly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 15 to 25 knots becoming south. Rain
likely during the day, then rain showers Tuesday night. Waves
1 to 3 feet building to 3 to 5 feet, then subsiding to 2 to
4 feet. Waves occasionally around 6 feet.

$$