TidePlanet

Waves in Leioa

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 10:49 pm (CET)
Now · significant height 6.9 ft
Sea state
Moderate · Douglas 4
Period
11.8 s · NW
Swell
6.8 ft · 10 s
Highest expected
14 ft

Today the sea at Leioa is moderate: 6.9 ft waves with a period of 11.8 s from the northwest. The swell, 6.8 ft at 10 s, comes from the 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 common3.4 ft
  • Significant6.9 ft
  • Highest expected14 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 14 ft. Before heading out, expect waves of up to 14 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 7.0 ft Moderate NW 13 s 6.8 ft NW 9 mph E
Thu 29 6.8 ft Moderate NW 11 s 6.8 ft NW 7 mph ESE
Fri 30 3.1 ft Slight NW 12 s 3.0 ft NW 6 mph E
Sat 31 3.4 ft Slight NW 13 s 3.4 ft NW 5 mph ESE
Sun 1 3.7 ft Slight NW 13 s 3.7 ft NW 5 mph N
Mon 2 3.7 ft Slight NNW 11 s 3.1 ft NNW 7 mph NNW
Tue 3 3.9 ft Slight N 7 s 3.4 ft NNE 6 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 4.6 ft5.0 ft6.0 ft6.8 ft6.8 ft6.6 ft6.7 ft6.9 ft
Period 10.4 s11.0 s11.2 s11.5 s12.2 s12.7 s12.8 s12.3 s
Direction NWNWNWNWNWNWNWNW
Swell 4.5 ft · 9 s5.0 ft · 9 s6.0 ft · 10 s6.4 ft · 10 s6.4 ft · 11 s6.4 ft · 11 s6.6 ft · 11 s6.8 ft · 10 s
Wind (mph) 3 NW1 WSW2 ESE4 E8 E9 E4 E4 ESE

Previous days

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

DayMax wavePeriodSwell
Tue 27 7.9 ft NW13 s7.9 ft NW
Mon 26 10 ft NW13 s10 ft NW
Sun 25 10 ft NW13 s10 ft NW
Sat 24 12 ft NW12 s11 ft NW
Fri 23 15 ft NW13 s14 ft NW
Thu 22 9.5 ft NW12 s9.5 ft NW
Wed 21 9.8 ft NW12 s9.8 ft NW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 3.6 ft NW14 s3.6 ft NW
Mon 19 3.6 ft NNW10 s2.6 ft NNW
Sun 18 6.2 ft N8 s4.6 ft N
Sat 17 6.9 ft NNW12 s5.6 ft NNW
Fri 16 5.6 ft NW13 s5.6 ft NW
Thu 15 4.9 ft NW13 s4.9 ft NW
Wed 14 3.0 ft NW11 s2.6 ft NW

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 LeioaQuestions

How are the waves today in Leioa?

Moderate (6.9 ft with a period of 11.8 s from the northwest). The highest wave to expect is around 14 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 7.0 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 14 ft.

More about Leioa today

Waves near Leioa

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 9.5 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 10:49 pm (local time).

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