TidePlanet

Waves in Manalapan

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:45 am (EDT)
Now · significant height 6.1 ft
Sea state
Moderate · Douglas 4
Period
9.0 s · NNE
Swell
5.9 ft · 8 s
Highest expected
12 ft

Today the sea at Manalapan is moderate: 6.1 ft waves with a period of 9.0 s from the north-northeast. The swell, 5.9 ft at 8 s, comes from the north-northeast. Biggest waves: Wednesday 4, with waves up to 7.3 ft (moderate).

Wave height, next 7 days

Significant height: the average of the highest third of the waves, what an observer would estimate by eye. Swell: waves arriving from far away, longer.

The waves you may find today

  • Most common3.1 ft
  • Significant6.1 ft
  • Highest expected12 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 12 ft. Before heading out, expect waves of up to 12 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth 0.3 ft–1.6 ft
3 Slight 1.6 ft–4.1 ft
4 Moderate · today 4.1 ft–8.2 ft
5 Rough 8.2 ft–13.1 ft
6 Very rough 13.1 ft–19.7 ft

Waves day by day

Day Max wave Sea state Direction Max period Swell Max wind
Today 6.2 ft Moderate NNE 9 s 6.2 ft NNE 11 mph NE
Fri 30 5.6 ft Moderate NNE 8 s 5.2 ft NNE 12 mph NE
Sat 31 5.1 ft Moderate NE 7 s 4.8 ft NNE 17 mph ENE
Sun 1 6.6 ft Moderate NE 7 s 4.9 ft NE 16 mph E
Mon 2 6.3 ft Moderate NE 7 s 5.9 ft NE 11 mph E
Tue 3 7.1 ft Moderate NE 7 s 5.4 ft NE 11 mph NE
Wed 4 7.3 ft Moderate NE 8 s 6.1 ft NE 8 mph ENE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 6.1 ft6.1 ft6.2 ft6.2 ft6.0 ft5.8 ft5.6 ft5.5 ft
Period 9.1 s9.0 s9.0 s9.1 s9.1 s9.0 s8.8 s8.4 s
Direction NENNENNENNENNENNENNENNE
Swell 6.0 ft · 8 s6.0 ft · 8 s6.2 ft · 8 s6.1 ft · 8 s6.0 ft · 8 s5.7 ft · 8 s5.4 ft · 8 s5.3 ft · 8 s
Wind (mph) 11 NE10 ENE6 NE3 NNE6 NNE7 NNE5 N7 NE

Previous days

The waves over the last 14 days. Tap a day to see it hour by hour.

DayMax wavePeriodSwell
Wed 28 10 ft NE9 s8.9 ft NE
Tue 27 12 ft NE9 s8.5 ft NE
Mon 26 13 ft NE9 s6.6 ft NNE
Sun 25 10 ft NNE9 s8.2 ft NNE
Sat 24 5.9 ft NNE8 s4.3 ft NNE
Fri 23 6.6 ft NNE10 s5.9 ft NNE
Thu 22 6.9 ft NNE10 s6.6 ft NNE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 8.2 ft NNE10 s7.5 ft NNE
Tue 20 10 ft NNE10 s9.2 ft NNE
Mon 19 11 ft NNE10 s10 ft NNE
Sun 18 10 ft NNE9 s9.5 ft N
Sat 17 2.3 ft NE8 s1.3 ft NNE
Fri 16 2.6 ft ENE6 s1.6 ft ENE
Thu 15 3.0 ft ENE5 s2.0 ft ENE

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the waves in ManalapanQuestions

How are the waves today in Manalapan?

Moderate (6.1 ft with a period of 9.0 s from the north-northeast). The highest wave to expect is around 12 ft.

Which day will have the biggest waves this week?

Wednesday 4, with waves up to 7.3 ft (moderate).

What is the wave period?

The time, in seconds, between two crests. With long periods (over 10 s) waves come from far away, are cleaner and break harder; with short periods they are wind waves, choppier.

What is significant wave height?

The average of the highest third of the waves. One in seven is higher and, a few times a day, one comes in at almost double: today, about 12 ft.

More about Manalapan today

Waves near Manalapan

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Waves: Open-Meteo with Météo-France (MFWAM, up to 10 days) and ECMWF WAM, CC BY 4.0; wave grid point 11 mi away. Near the shore, the seabed and the shape of the coast change the waves.

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 12:45 am (local time).

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