TidePlanet

Waves in Llançà

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:30 am (CET)
Now · significant height 1.8 ft
Sea state
Slight · Douglas 3
Period
3.4 s · N
Swell
0.8 ft · 4 s
Highest expected
3.8 ft

Today the sea at Llançà is slight: 1.8 ft waves with a period of 3.4 s from the north. The swell, 0.8 ft at 4 s, comes from the north. Biggest waves: Wednesday 4, with waves up to 5.4 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 common0.9 ft
  • Significant1.8 ft
  • Highest expected3.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 3.8 ft. Before heading out, expect waves of up to 3.8 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 1.9 ft Slight NNE 4 s 1.2 ft NE 19 mph N
Fri 30 1.1 ft Smooth NE 5 s 1.0 ft NE 11 mph N
Sat 31 2.5 ft Slight E 6 s 2.5 ft E 6 mph N
Sun 1 3.7 ft Slight NNE 6 s 2.4 ft E 15 mph N
Mon 2 4.6 ft Moderate NNE 5 s 2.5 ft ENE 20 mph N
Tue 3 3.9 ft Slight NNE 5 s 2.2 ft NE 19 mph NNW
Wed 4 5.4 ft Moderate ENE 7 s 5.1 ft ENE 9 mph N

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 1.9 ft1.6 ft1.5 ft1.5 ft1.4 ft1.3 ft1.0 ft0.7 ft
Period 3.4 s3.7 s4.0 s4.0 s3.7 s3.5 s3.4 s3.2 s
Direction NNNENNENENENENENE
Swell 0.8 ft · 4 s1.0 ft · 4 s1.2 ft · 4 s1.2 ft · 4 s1.2 ft · 4 s1.1 ft · 3 s0.9 ft · 3 s0.7 ft · 3 s
Wind (mph) 12 NNW13 N6 NNW9 N10 NNE11 NNE8 NNE6 NNE

Previous days

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

DayMax wavePeriodSwell
Wed 28 3.0 ft N4 s0.7 ft NNE
Tue 27 2.0 ft NE4 s0.7 ft E
Mon 26 3.0 ft NNE4 s2.0 ft NNE
Sun 25 2.0 ft NNE4 s1.0 ft NNE
Sat 24 4.9 ft N5 s1.6 ft N
Fri 23 5.2 ft NNW5 s1.0 ft SSE
Thu 22 3.6 ft N5 s1.6 ft NNE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.9 ft NNE6 s2.3 ft ESE
Tue 20 5.6 ft E7 s4.3 ft ESE
Mon 19 3.6 ft NNE6 s3.3 ft ENE
Sun 18 4.6 ft N5 s1.6 ft NE
Sat 17 2.6 ft N4 s1.0 ft N
Fri 16 0.3 ft ESE3 s0.3 ft SE
Thu 15 0.7 ft E4 s0.7 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 LlançàQuestions

How are the waves today in Llançà?

Slight (1.8 ft with a period of 3.4 s from the north). The highest wave to expect is around 3.8 ft.

Which day will have the biggest waves this week?

Wednesday 4, with waves up to 5.4 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 3.8 ft.

More about Llançà today

Waves near Llançà

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 7.2 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 12:30 am (local time).

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