TidePlanet

Waves in L'Ametlla de Mar

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:55 am (CET)
Now · significant height 0.9 ft
Sea state
Smooth · Douglas 2
Period
3.6 s · ESE
Swell
0.7 ft · 3 s
Highest expected
1.8 ft

Today the sea at L'Ametlla de Mar is smooth: 0.9 ft waves with a period of 3.6 s from the east-southeast. The swell, 0.7 ft at 3 s, comes from the east-northeast. Biggest waves: Tuesday 3, with waves up to 4.5 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 common0.4 ft
  • Significant0.9 ft
  • Highest expected1.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.8 ft. Before heading out, expect waves of up to 1.8 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 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 0.9 ft Smooth E 4 s 0.7 ft ENE 7 mph NNW
Fri 30 1.7 ft Slight E 4 s 1.5 ft E 10 mph ENE
Sat 31 3.0 ft Slight E 5 s 3.0 ft E 8 mph NNE
Sun 1 3.0 ft Slight E 6 s 3.0 ft E 12 mph NW
Mon 2 3.9 ft Slight ENE 7 s 3.7 ft E 16 mph NW
Tue 3 4.5 ft Moderate E 6 s 4.2 ft E 14 mph NW
Wed 4 3.1 ft Slight ENE 6 s 2.9 ft E 9 mph NNE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 0.8 ft0.8 ft0.7 ft0.7 ft0.7 ft0.7 ft0.7 ft0.7 ft
Period 3.5 s3.8 s4.0 s4.3 s4.3 s4.3 s4.3 s4.3 s
Direction ESEESEEEEEEENE
Swell 0.7 ft · 3 s0.7 ft · 3 s0.6 ft · 3 s0.7 ft · 4 s0.7 ft · 4 s0.7 ft · 4 s0.7 ft · 4 s0.7 ft · 3 s
Wind (mph) 6 WNW5 NW7 NW5 W6 ESE5 ESE2 E4 NNE

Previous days

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

DayMax wavePeriodSwell
Wed 28 1.3 ft NNW4 s0.7 ft NE
Tue 27 1.0 ft ESE5 s1.0 ft E
Mon 26 1.0 ft SE5 s1.0 ft SE
Sun 25 1.3 ft ESE5 s1.3 ft ESE
Sat 24 1.3 ft NE6 s1.3 ft E
Fri 23 1.3 ft WSW5 s0.7 ft SSE
Thu 22 1.6 ft ENE5 s1.0 ft E
Show all 14 days
DayMax wavePeriodSwell
Wed 21 2.6 ft ENE8 s2.3 ft E
Tue 20 3.3 ft E8 s3.0 ft E
Mon 19 5.2 ft ENE7 s4.6 ft E
Sun 18 4.3 ft NE6 s3.6 ft E
Sat 17 0.7 ft E4 s0.3 ft ENE
Fri 16 0.3 ft E4 s0.3 ft E
Thu 15 0.3 ft E5 s0.3 ft E

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 L'Ametlla de MarQuestions

How are the waves today in L'Ametlla de Mar?

Smooth (0.9 ft with a period of 3.6 s from the east-southeast). The highest wave to expect is around 1.8 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 4.5 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 1.8 ft.

More about L'Ametlla de Mar today

Waves near L'Ametlla de Mar

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 8.4 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 12:55 am (local time).

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