747
FZUS51 KBUF 180603
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
103 AM EST Tue Nov 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.

LEZ020-181015-
Upper Niagara River and Buffalo Harbor-
103 AM EST Tue Nov 18 2025

.OVERNIGHT...West winds 5 to 10 knots. Mostly cloudy.
.TUESDAY...West winds 10 knots or less. Partly sunny.
.TUESDAY NIGHT...Light and variable winds. Partly to mostly
cloudy.
.WEDNESDAY...Light and variable winds. Mostly sunny.
.WEDNESDAY NIGHT...Light and variable winds. Mostly cloudy.
.THURSDAY...Light and variable winds becoming southwest 5 to
10 knots. Rain showers likely Thursday night.
.FRIDAY...West winds 10 knots or less. Rain showers likely during
the day.
.SATURDAY...West winds less than 10 knots becoming southwest.
Mostly cloudy.

The water temperature off Buffalo is 48 degrees.

$$

LOZ030-181015-
Lower Niagara River-
103 AM EST Tue Nov 18 2025

.OVERNIGHT...West winds 5 to 10 knots. Mostly cloudy.
.TUESDAY...West winds 10 knots or less. Partly sunny.
.TUESDAY NIGHT...Light and variable winds. Partly to mostly
cloudy.
.WEDNESDAY...Light and variable winds. Partly to mostly sunny.
.WEDNESDAY NIGHT...Light and variable winds. Mostly cloudy.
.THURSDAY...Light and variable winds becoming southwest 5 to
10 knots. Rain showers likely Thursday night.
.FRIDAY...West winds 10 knots or less. Rain showers likely during
the day.
.SATURDAY...West winds 10 knots or less becoming southwest.
Mostly cloudy.

$$

LEZ040-041-181015-
Buffalo to Ripley along Lake Erie-
103 AM EST Tue Nov 18 2025

.OVERNIGHT...West winds 10 to 15 knots. Cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.TUESDAY...West winds 5 to 10 knots becoming southwest. Mostly
cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
.TUESDAY NIGHT...Southeast winds less than 10 knots. A chance of
rain showers in the evening. Waves 1 foot or less.
.WEDNESDAY...Northeast winds less than 10 knots becoming north.
Mostly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Northeast winds less than 10 knots. Mostly
cloudy. Waves 1 foot or less.
.THURSDAY...Light and variable winds becoming southwest 10 to
15 knots. Rain showers likely Thursday night. Waves 2 feet or
less.
.FRIDAY...West winds 5 to 15 knots becoming northwest. Rain
showers likely during the day. Waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming southwest.
Mostly cloudy. Waves 2 feet or less.

$$

LOZ042-181015-
Niagara River to Hamlin Beach along Lake Ontario-
103 AM EST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING...

.OVERNIGHT...West winds 15 to 20 knots. Partly cloudy.
Waves 3 to 6 feet. Waves occasionally around 7 feet.
.TUESDAY...West winds 5 to 15 knots. Partly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.TUESDAY NIGHT...West winds 10 knots or less becoming north.
Mostly cloudy. Waves 2 feet or less.
.WEDNESDAY...Northeast winds less than 10 knots. Partly to mostly
sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Light and variable winds. Mostly cloudy. Waves
1 foot or less.
.THURSDAY...Southeast winds 10 knots or less becoming southwest
10 to 15 knots. Rain showers likely Thursday night. Waves 1 foot
or less.
.FRIDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Rain showers likely during the day. Waves 1 to 3 feet
building to 2 to 4 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming southwest.
Mostly cloudy. Waves 1 to 3 feet.

$$

LOZ043-044-181015-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
103 AM EST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.OVERNIGHT...Northwest winds 15 to 20 knots. A chance of
snow showers, then a chance of rain and snow
showers late. Waves 5 to 8 feet. Waves occasionally around
10 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of rain and snow showers in the morning, then
a chance of rain showers in the afternoon. Waves 4 to 7 feet
subsiding to 1 to 3 feet. Waves occasionally around 9 feet.
.TUESDAY NIGHT...West winds 10 knots or less becoming northwest.
Mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
.WEDNESDAY...Northwest winds less than 10 knots. Partly to mostly
sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...Light and variable winds. Mostly cloudy. Waves
1 foot or less.
.THURSDAY...Southeast winds 10 knots or less becoming south 10 to
15 knots. Rain showers likely Thursday night. Waves 2 feet or
less.
.FRIDAY...Southwest winds 15 to 20 knots becoming northwest 10 to
15 knots. Rain showers during the day, then a chance of rain
showers Friday night. Waves 2 to 4 feet building to 3 to 6 feet.
Waves occasionally around 7 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming west. Mostly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.

The water temperature off Rochester is 49 degrees.

$$

LOZ045-181015-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
103 AM EST Tue Nov 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...

.OVERNIGHT...Northwest winds 15 to 20 knots. Partly cloudy.
Waves 4 to 7 feet. Waves occasionally around 9 feet.
.TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Mostly sunny. Waves 3 to 6 feet subsiding to 1 to
3 feet. Waves occasionally around 7 feet.
.TUESDAY NIGHT...West winds 10 knots or less becoming north.
Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
.WEDNESDAY...North winds less than 10 knots becoming west. Sunny.
Waves 1 foot or less.
.WEDNESDAY NIGHT...Light and variable winds. Partly cloudy in the
evening, then becoming mostly cloudy. Waves 1 foot or less.
.THURSDAY...Southeast winds less than 10 knots becoming south and
increasing to 15 to 20 knots. Rain showers likely Thursday night.
Waves 1 foot or less building to 1 to 3 feet.
.FRIDAY...South winds 15 to 20 knots becoming northwest 10 to
15 knots. Rain showers during the day, then a chance of rain
showers Friday night. Waves 3 to 6 feet. Waves occasionally
around 7 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming west. Mostly
cloudy. Waves 1 to 3 feet.

$$