098
FZUS51 KBUF 170804
NSHBUF

Nearshore Marine Forecast
National Weather Service Buffalo NY
403 AM EDT Thu Jul 17 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.

LEZ020-171500-
Upper Niagara River and Buffalo Harbor-
403 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...Southwest winds 10 to 15 knots becoming west and
increasing to 20 to 25 knots. A chance of showers and
thunderstorms through early afternoon.
.TONIGHT...West winds 15 to 20 knots becoming north and
diminishing to 5 to 10 knots. Mostly cloudy.
.FRIDAY...Northeast winds 5 to 10 knots becoming light and
variable. Sunny.
.FRIDAY NIGHT...Light and variable winds. Mainly clear in the
evening, then becoming partly cloudy.
.SATURDAY...South winds 10 knots or less becoming west. A chance
of showers during the day, then a chance of showers and
thunderstorms Saturday night.
.SUNDAY...Northwest winds less than 10 knots. A chance of showers
and thunderstorms during the day.
.MONDAY...Northeast winds less than 10 knots becoming southeast.
Mainly clear, then becoming partly cloudy.

Winds and waves higher in and near thunderstorms.

The water temperature off Buffalo is 77 degrees.

$$

LOZ030-171500-
Lower Niagara River-
403 AM EDT Thu Jul 17 2025

.TODAY...Southwest winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. A chance of showers and
thunderstorms this morning.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 5 to
15 knots. Mostly cloudy.
.FRIDAY...Northeast winds 10 knots or less. Sunny.
.FRIDAY NIGHT...Northeast winds less than 10 knots. Mainly clear
in the evening, then becoming partly cloudy.
.SATURDAY...South winds 10 knots or less becoming west. A chance
of showers during the day, then a chance of showers and
thunderstorms Saturday night.
.SUNDAY...North winds 10 knots or less. A chance of showers and
thunderstorms during the day.
.MONDAY...Northeast winds 10 knots or less becoming southeast.
Mainly clear, then becoming partly cloudy.

Winds and waves higher in and near thunderstorms.

$$

LEZ040-041-171500-
Buffalo to Ripley along Lake Erie-
403 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...Southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. A chance of showers and thunderstorms
through early afternoon. Waves 2 to 4 feet building to 5 to
9 feet. Waves occasionally around 11 feet.
.TONIGHT...West winds 15 to 20 knots becoming north 5 to
15 knots. Mostly cloudy. Waves 3 to 6 feet subsiding to 1 to
3 feet. Waves occasionally around 7 feet.
.FRIDAY...Northeast winds 10 knots or less becoming north.
Becoming mostly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...North winds less than 10 knots. Mainly clear in
the evening, then becoming partly cloudy. Waves 1 foot or less.
.SATURDAY...West winds 5 to 10 knots. A chance of showers during
the day, then showers likely with a chance of thunderstorms
Saturday night. Waves 2 feet or less.
.SUNDAY...Northwest winds 5 to 10 knots becoming northeast. A
chance of showers during the day. Waves 2 feet or less.
.MONDAY...Northeast winds 5 to 10 knots becoming southeast.
Mainly clear, then becoming partly cloudy. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ042-171500-
Niagara River to Hamlin Beach along Lake Ontario-
403 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT THIS MORNING
THROUGH LATE TONIGHT...

.TODAY...Southwest winds 15 to 25 knots becoming west to
30 knots. A chance of showers and thunderstorms through early
afternoon. Waves 2 feet or less building to 5 to 9 feet. Waves
occasionally around 11 feet.
.TONIGHT...Northwest winds to 30 knots becoming north and
diminishing to 10 to 15 knots overnight. Mostly cloudy. Waves
5 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around
11 feet.
.FRIDAY...Northeast winds 5 to 15 knots becoming east less than
10 knots. Sunny. Waves 1 to 3 feet subsiding to 1 foot or less.
.FRIDAY NIGHT...Southeast winds 10 knots or less becoming south.
Mainly clear in the evening, then becoming partly cloudy. Waves
1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming northwest. A
chance of showers during the day, then a chance of showers and
thunderstorms Saturday night. Waves 2 feet or less.
.SUNDAY...Northwest winds 10 to 15 knots becoming northeast.
Becoming mainly clear. Waves 1 to 2 feet.
.MONDAY...Northeast winds 5 to 10 knots becoming southeast.
Mainly clear, then becoming partly cloudy. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ043-044-171500-
Hamlin Beach to Mexico Bay along Lake Ontario
including Irondequoit Bay-
403 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH FRIDAY MORNING...

.TODAY...South winds 5 to 10 knots becoming west and increasing
to 30 knots this afternoon. A chance of showers and thunderstorms
this morning, then showers likely with a chance of thunderstorms
this afternoon. Some thunderstorms may produce gusty winds early
this afternoon. Waves 1 foot or less building to 6 to 9 feet.
Waves occasionally around 11 feet.
.TONIGHT...West winds to 30 knots becoming north 15 to 25 knots.
Partly cloudy in the evening, then becoming mostly cloudy. Waves
8 to 11 feet subsiding to 3 to 5 feet. Waves occasionally around
14 feet.
.FRIDAY...North winds 5 to 15 knots becoming northwest less than
10 knots. Sunny. Waves 2 to 4 feet subsiding to 1 foot or less.
.FRIDAY NIGHT...West winds less than 10 knots becoming south.
Mainly clear in the evening, then becoming partly cloudy. Waves
1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming west. A chance of
showers during the day, then a chance of showers and
thunderstorms Saturday night. Waves 2 feet or less.
.SUNDAY...Northwest winds 10 to 15 knots becoming north. A chance
of showers during the day. Waves 1 to 2 feet.
.MONDAY...Northeast winds 5 to 10 knots becoming southeast.
Mainly clear, then becoming partly cloudy. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

The water temperature off Rochester is 70 degrees.

$$

LOZ045-171500-
Mexico Bay to the Saint Lawrence River along Lake Ontario-
403 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH FRIDAY MORNING...

.TODAY...South winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. A chance of showers and
thunderstorms this morning, then showers likely with a chance of
thunderstorms this afternoon. Some thunderstorms may produce
gusty winds early this afternoon. Waves 1 to 3 feet building to
5 to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds to 30 knots becoming north 15 to 25 knots.
A chance of showers and thunderstorms in the evening. Waves 7 to
10 feet subsiding to 3 to 5 feet. Waves occasionally around
13 feet.
.FRIDAY...North winds 5 to 15 knots becoming west. Sunny. Waves
1 to 3 feet subsiding to 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 10 knots becoming south. Mainly
clear. Waves 1 foot or less.
.SATURDAY...South winds 5 to 10 knots becoming north. A chance of
showers during the day, then a chance of showers and
thunderstorms Saturday night. Waves 2 feet or less.
.SUNDAY...North winds 5 to 10 knots. A chance of showers during
the day. Waves 2 feet or less.
.MONDAY...North winds 5 to 10 knots becoming southeast. Mainly
clear. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$