TidePlanet

Waves in Ostend

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 10:50 pm (CET)
Now · significant height 2.2 ft
Sea state
Slight · Douglas 3
Period
4.2 s · W
Swell
1.9 ft · 4 s
Highest expected
4.6 ft

Today the sea at Ostend is slight: 2.2 ft waves with a period of 4.2 s from the west. The swell, 1.9 ft at 4 s, comes from the west. Biggest waves: Monday 2, with waves up to 4.7 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 common1.1 ft
  • Significant2.2 ft
  • Highest expected4.6 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.6 ft. Before heading out, expect waves of up to 4.6 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 3.0 ft Slight W 4 s 1.9 ft W 11 mph SW
Thu 29 2.0 ft Slight W 6 s 1.8 ft W 7 mph S
Fri 30 1.3 ft Smooth NNE 6 s 0.5 ft N 11 mph E
Sat 31 1.3 ft Smooth NE 4 s 0.9 ft NE 8 mph ENE
Sun 1 1.6 ft Smooth NNE 5 s 1.1 ft NNE 6 mph NE
Mon 2 4.7 ft Moderate N 6 s 3.7 ft N 18 mph NNE
Tue 3 4.6 ft Moderate NNE 6 s 4.1 ft N 15 mph NE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 3.0 ft2.8 ft2.6 ft2.4 ft2.5 ft2.6 ft2.5 ft2.4 ft
Period 4.5 s4.4 s4.4 s4.3 s4.1 s4.1 s4.2 s4.3 s
Direction WWWWWWWW
Swell 1.8 ft · 5 s1.8 ft · 4 s1.6 ft · 4 s1.6 ft · 4 s1.2 ft · 4 s1.2 ft · 4 s1.6 ft · 4 s1.8 ft · 4 s
Wind (mph) 8 WSW7 SSW8 SW8 SW10 WSW8 SW6 SSW8 SSW

Previous days

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

DayMax wavePeriodSwell
Tue 27 4.3 ft WSW5 s2.3 ft W
Mon 26 7.2 ft W7 s3.9 ft W
Sun 25 8.9 ft W7 s1.3 ft WNW
Sat 24 11 ft W7 s3.6 ft WNW
Fri 23 12 ft SW7 s2.0 ft WSW
Thu 22 5.9 ft WSW6 s3.6 ft W
Wed 21 6.9 ft SW6 s2.3 ft W
Show all 14 days
DayMax wavePeriodSwell
Tue 20 2.6 ft ENE5 s1.6 ft NE
Mon 19 3.6 ft NNE8 s3.6 ft NNE
Sun 18 5.6 ft N7 s4.9 ft N
Sat 17 5.6 ft N6 s4.3 ft NNW
Fri 16 4.6 ft NW5 s1.3 ft W
Thu 15 2.0 ft WSW4 s1.6 ft WSW
Wed 14 3.3 ft WNW5 s3.0 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 OstendQuestions

How are the waves today in Ostend?

Slight (2.2 ft with a period of 4.2 s from the west). The highest wave to expect is around 4.6 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 4.7 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 4.6 ft.

More about Ostend today

Waves near Ostend

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 11 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 10:50 pm (local time).

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