TidePlanet

Waves in Le Havre

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 10:52 pm (CET)
Now · significant height 1.3 ft
Sea state
Smooth · Douglas 2
Period
4.9 s · WNW
Swell
1.3 ft · 4 s
Highest expected
2.7 ft

Today the sea at Le Havre is smooth: 1.3 ft waves with a period of 4.9 s from the west-northwest. The swell, 1.3 ft at 4 s, comes from the west-northwest.

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 common0.7 ft
  • Significant1.3 ft
  • Highest expected2.7 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 2.7 ft. Before heading out, expect waves of up to 2.7 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth · today 0.3 ft–1.6 ft
3 Slight · week peak 1.6 ft–4.1 ft
4 Moderate 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 3.8 ft Slight WNW 5 s 3.2 ft WNW 14 mph WSW
Thu 29 1.2 ft Smooth WNW 6 s 1.2 ft WNW 8 mph E
Fri 30 0.9 ft Smooth N 5 s 0.7 ft NNW 11 mph E
Sat 31 0.9 ft Smooth NNE 5 s 0.9 ft NNE 7 mph ENE
Sun 1 1.6 ft Smooth NNE 4 s 1.2 ft NNE 7 mph ENE
Mon 2 2.8 ft Slight NNE 5 s 2.4 ft N 13 mph NNE
Tue 3 2.3 ft Slight NNE 5 s 2.2 ft NNE 11 mph NE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 3.8 ft3.3 ft3.0 ft2.5 ft2.2 ft2.0 ft1.7 ft1.4 ft
Period 5.3 s5.1 s5.0 s4.8 s4.6 s4.5 s4.7 s4.8 s
Direction WNWWNWWNWWNWWNWWNWWNWWNW
Swell 3.2 ft · 5 s3.0 ft · 5 s2.7 ft · 4 s2.3 ft · 4 s2.0 ft · 4 s1.8 ft · 4 s1.6 ft · 4 s1.4 ft · 4 s
Wind (mph) 14 W12 SW9 SW9 SW9 SW7 W6 W5 W

Previous days

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

DayMax wavePeriodSwell
Tue 27 3.9 ft WSW5 s3.3 ft WNW
Mon 26 4.3 ft WSW6 s3.9 ft WNW
Sun 25 8.5 ft W7 s3.6 ft WNW
Sat 24 8.5 ft W7 s4.6 ft WNW
Fri 23 13 ft W8 s2.0 ft WNW
Thu 22 5.6 ft W6 s4.3 ft WNW
Wed 21 9.2 ft W7 s5.6 ft WNW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 3.0 ft W5 s2.0 ft NW
Mon 19 1.6 ft N5 s1.6 ft N
Sun 18 3.6 ft N5 s3.0 ft N
Sat 17 3.3 ft N5 s2.0 ft NNW
Fri 16 3.3 ft WNW7 s2.3 ft WNW
Thu 15 0.7 ft W6 s0.7 ft WNW
Wed 14 2.6 ft WNW5 s2.3 ft WNW

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 Le HavreQuestions

How are the waves today in Le Havre?

Smooth (1.3 ft with a period of 4.9 s from the west-northwest). The highest wave to expect is around 2.7 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 3.8 ft (slight).

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 2.7 ft.

More about Le Havre today

Waves near Le Havre

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 3.4 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 10:52 pm (local time).

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