TidePlanet

Waves in Newhaven

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 10:31 am (GMT+11)
Now · significant height 5.6 ft
Sea state
Moderate · Douglas 4
Period
9.8 s · SW
Swell
4.7 ft · 10 s
Highest expected
11 ft

Today the sea at Newhaven is moderate: 5.6 ft waves with a period of 9.8 s from the southwest. The swell, 4.7 ft at 10 s, comes from the southwest. Biggest waves: Wednesday 4, with waves up to 7.0 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 common2.8 ft
  • Significant5.6 ft
  • Highest expected11 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 11 ft. Before heading out, expect waves of up to 11 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 6.0 ft Moderate SW 11 s 4.8 ft SW 15 mph WSW
Fri 30 4.7 ft Moderate SW 11 s 4.3 ft SW 9 mph ENE
Sat 31 5.8 ft Moderate WSW 11 s 4.8 ft SW 21 mph NW
Sun 1 5.4 ft Moderate SW 8 s 4.6 ft SW 14 mph W
Mon 2 3.9 ft Slight SW 12 s 3.8 ft SW 13 mph ESE
Tue 3 4.1 ft Slight SW 12 s 3.6 ft SW 15 mph SSW
Wed 4 7.0 ft Moderate WSW 8 s 5.6 ft SW 7 mph NNW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 6.0 ft5.8 ft5.6 ft5.7 ft5.6 ft5.4 ft5.1 ft4.9 ft
Period 8.0 s8.4 s9.0 s9.6 s10.1 s10.4 s10.6 s10.7 s
Direction SWSWSWSWSWSWSWSW
Swell 4.7 ft · 7 s3.7 ft · 8 s3.8 ft · 10 s4.7 ft · 10 s4.7 ft · 10 s4.7 ft · 10 s4.7 ft · 10 s4.5 ft · 10 s
Wind (mph) 14 WSW12 WSW11 SW11 WSW11 WSW11 WSW7 SW3 SW

Previous days

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

DayMax wavePeriodSwell
Wed 28 6.6 ft SW8 s5.2 ft SW
Tue 27 5.2 ft SW8 s4.3 ft SW
Mon 26 6.2 ft SW8 s4.6 ft SW
Sun 25 5.2 ft SW12 s3.9 ft SW
Sat 24 4.6 ft SW13 s4.3 ft SW
Fri 23 4.3 ft WSW13 s3.6 ft WSW
Thu 22 4.6 ft SW15 s4.6 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.3 ft SW13 s3.3 ft SW
Tue 20 3.0 ft WSW12 s2.3 ft SW
Mon 19 2.3 ft SW13 s2.3 ft WSW
Sun 18 1.6 ft SSW11 s1.3 ft SW
Sat 17 1.6 ft SSW11 s1.6 ft SW
Fri 16 3.3 ft SSW11 s2.6 ft SW
Thu 15 4.3 ft SW11 s3.9 ft SW

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 NewhavenQuestions

How are the waves today in Newhaven?

Moderate (5.6 ft with a period of 9.8 s from the southwest). The highest wave to expect is around 11 ft.

Which day will have the biggest waves this week?

Wednesday 4, with waves up to 7.0 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 11 ft.

More about Newhaven today

Waves near Newhaven

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 3.9 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 10:31 am (local time).

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