TidePlanet

Waves in Lampaul-Ploudalmézeau

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 5:57 am (CET)
Now · significant height 5.2 ft
Sea state
Moderate · Douglas 4
Period
10.1 s · W
Swell
5.0 ft · 9 s
Highest expected
10 ft

Today the sea at Lampaul-Ploudalmézeau is moderate: 5.2 ft waves with a period of 10.1 s from the west. The swell, 5.0 ft at 9 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 common2.6 ft
  • Significant5.2 ft
  • Highest expected10 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 10 ft. Before heading out, expect waves of up to 10 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 6.4 ft Moderate W 11 s 6.1 ft WNW 11 mph SE
Fri 30 4.4 ft Moderate W 12 s 4.2 ft W 9 mph ESE
Sat 31 4.9 ft Moderate WNW 12 s 4.5 ft W 10 mph E
Sun 1 4.8 ft Moderate WNW 11 s 4.5 ft WNW 13 mph ENE
Mon 2 4.3 ft Moderate NNW 9 s 3.3 ft NW 17 mph ENE
Tue 3 3.8 ft Slight NNE 7 s 2.5 ft NNE 17 mph NE
Wed 4 4.8 ft Moderate N 10 s 3.2 ft NW 15 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 6.4 ft5.8 ft5.2 ft4.8 ft4.4 ft4.0 ft3.7 ft3.3 ft
Period 10.5 s10.3 s10.1 s9.7 s9.2 s8.8 s8.6 s8.6 s
Direction WNWWWWWWWW
Swell 6.1 ft · 9 s5.6 ft · 9 s5.0 ft · 9 s4.5 ft · 9 s4.0 ft · 9 s3.5 ft · 8 s3.1 ft · 8 s2.8 ft · 8 s
Wind (mph) 6 SE5 ESE8 SE8 ESE11 SE9 SE3 E6 ESE

Previous days

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

DayMax wavePeriodSwell
Wed 28 11 ft WNW12 s11 ft WNW
Tue 27 11 ft W11 s10 ft W
Mon 26 10 ft W11 s10 ft WNW
Sun 25 14 ft WNW12 s13 ft WNW
Sat 24 12 ft W10 s10 ft WNW
Fri 23 19 ft WNW14 s12 ft WNW
Thu 22 17 ft W10 s9.8 ft WNW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 13 ft WNW11 s11 ft WNW
Tue 20 5.9 ft WNW14 s4.9 ft WNW
Mon 19 3.3 ft NNW13 s3.3 ft NNW
Sun 18 4.6 ft NNW9 s3.9 ft WNW
Sat 17 6.9 ft NW10 s5.9 ft WNW
Fri 16 8.2 ft WNW12 s7.9 ft WNW
Thu 15 8.9 ft WNW13 s8.5 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 Lampaul-PloudalmézeauQuestions

How are the waves today in Lampaul-Ploudalmézeau?

Moderate (5.2 ft with a period of 10.1 s from the west). The highest wave to expect is around 10 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 6.4 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 10 ft.

More about Lampaul-Ploudalmézeau today

Waves near Lampaul-Ploudalmézeau

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 6.4 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 5:57 am (local time).

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