TidePlanet

Waves in Haraldssund

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 4:57 am (WET)
Now · significant height 2.8 ft
Sea state
Slight · Douglas 3
Period
7.9 s · NW
Swell
2.0 ft · 7 s
Highest expected
5.7 ft

Today the sea at Haraldssund is slight: 2.8 ft waves with a period of 7.9 s from the northwest. The swell, 2.0 ft at 7 s, comes from the north-northwest. Biggest waves: Friday 30, with waves up to 3.5 ft (slight).

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 common1.4 ft
  • Significant2.8 ft
  • Highest expected5.7 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 5.7 ft. Before heading out, expect waves of up to 5.7 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 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 3.4 ft Slight NW 8 s 2.5 ft NNW 19 mph S
Fri 30 3.5 ft Slight SSW 7 s 1.8 ft NW 19 mph S
Sat 31 2.3 ft Slight W 8 s 1.6 ft W 7 mph SSW
Sun 1 2.1 ft Slight W 6 s 1.5 ft WNW 8 mph WSW
Mon 2 2.2 ft Slight WNW 6 s 1.6 ft WNW 6 mph WSW
Tue 3 2.0 ft Slight W 6 s 1.1 ft WNW 17 mph SSW
Wed 4 2.3 ft Slight WSW 6 s 1.3 ft W 16 mph SW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 3.2 ft2.9 ft2.8 ft2.8 ft3.0 ft3.1 ft3.1 ft3.3 ft
Period 7.8 s8.0 s7.8 s7.7 s7.3 s7.1 s6.8 s6.4 s
Direction WNWNWNWNWNNWNNWNNWNW
Swell 2.5 ft · 7 s2.0 ft · 7 s2.0 ft · 7 s2.2 ft · 8 s2.3 ft · 8 s2.2 ft · 8 s2.2 ft · 8 s2.0 ft · 8 s
Wind (mph) 4 W3 SW3 S6 S8 S7 S10 S13 S

Previous days

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

DayMax wavePeriodSwell
Wed 28 4.6 ft W8 s3.0 ft WNW
Tue 27 5.6 ft SSE9 s3.6 ft SE
Mon 26 3.6 ft NNW7 s2.6 ft N
Sun 25 8.2 ft NE11 s6.9 ft ENE
Sat 24 4.9 ft NNE7 s3.0 ft NNW
Fri 23 2.6 ft NW10 s1.6 ft NW
Thu 22 3.0 ft WNW8 s2.3 ft SE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 4.3 ft SSE8 s3.3 ft SE
Tue 20 4.6 ft SSW8 s3.0 ft W
Mon 19 5.9 ft WSW9 s3.6 ft W
Sun 18 4.6 ft WNW8 s3.0 ft N
Sat 17 3.9 ft N10 s3.6 ft N
Fri 16 7.2 ft NNW13 s6.9 ft NNW
Thu 15 6.6 ft W10 s3.9 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 HaraldssundQuestions

How are the waves today in Haraldssund?

Slight (2.8 ft with a period of 7.9 s from the northwest). The highest wave to expect is around 5.7 ft.

Which day will have the biggest waves this week?

Friday 30, with waves up to 3.5 ft (slight).

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 5.7 ft.

More about Haraldssund today

Waves near Haraldssund

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 1.5 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 4:57 am (local time).

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