TidePlanet

Waves in Locquémeau

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:44 am (CET)
Now · significant height 3.8 ft
Sea state
Slight · Douglas 3
Period
10.6 s · WNW
Swell
3.8 ft · 9 s
Highest expected
7.6 ft

Today the sea at Locquémeau is slight: 3.8 ft waves with a period of 10.6 s from the west-northwest. The swell, 3.8 ft at 9 s, comes from the west-northwest. Biggest waves: Wednesday 4, with waves up to 4.6 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 common1.9 ft
  • Significant3.8 ft
  • Highest expected7.6 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 7.6 ft. Before heading out, expect waves of up to 7.6 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 · today 1.6 ft–4.1 ft
4 Moderate · week peak 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 3.9 ft Slight WNW 11 s 3.9 ft WNW 11 mph ESE
Fri 30 2.4 ft Slight W 11 s 2.2 ft W 12 mph E
Sat 31 3.1 ft Slight WNW 11 s 2.8 ft WNW 9 mph E
Sun 1 3.1 ft Slight NW 10 s 2.6 ft WNW 10 mph ENE
Mon 2 3.6 ft Slight N 8 s 2.2 ft NW 13 mph ENE
Tue 3 3.8 ft Slight NE 6 s 2.2 ft NNE 16 mph ENE
Wed 4 4.6 ft Moderate NNE 8 s 2.8 ft NW 16 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 3.9 ft3.6 ft3.3 ft3.0 ft2.7 ft2.4 ft2.2 ft2.1 ft
Period 10.7 s10.5 s10.3 s10.2 s10.1 s9.9 s9.6 s9.5 s
Direction WNWWNWWNWWNWWNWWNWWNWWNW
Swell 3.9 ft · 9 s3.6 ft · 9 s3.1 ft · 9 s3.0 ft · 9 s2.7 ft · 8 s2.4 ft · 8 s2.2 ft · 8 s2.0 ft · 8 s
Wind (mph) 6 ESE6 SE7 ESE8 ESE10 ESE8 SE7 E10 E

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 WNW12 s6.6 ft WNW
Tue 27 6.6 ft W11 s6.2 ft W
Mon 26 6.6 ft W11 s6.6 ft WNW
Sun 25 9.5 ft WNW11 s8.5 ft WNW
Sat 24 8.9 ft WNW10 s7.2 ft WNW
Fri 23 15 ft WNW11 s7.9 ft W
Thu 22 6.9 ft WNW11 s5.9 ft WNW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 8.9 ft WNW11 s7.5 ft WNW
Tue 20 3.3 ft WNW14 s3.0 ft WNW
Mon 19 3.0 ft NNW12 s2.3 ft N
Sun 18 3.9 ft N7 s2.6 ft WNW
Sat 17 5.2 ft NW8 s3.9 ft WNW
Fri 16 6.6 ft WNW13 s5.6 ft WNW
Thu 15 5.6 ft WNW13 s5.6 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 LocquémeauQuestions

How are the waves today in Locquémeau?

Slight (3.8 ft with a period of 10.6 s from the west-northwest). The highest wave to expect is around 7.6 ft.

Which day will have the biggest waves this week?

Wednesday 4, with waves up to 4.6 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 7.6 ft.

More about Locquémeau today

Waves near Locquémeau

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 5.4 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 12:44 am (local time).

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