TidePlanet

Waves in Tjørnuvík

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:08 am (WET)
Now · significant height 11 ft
Sea state
Rough · Douglas 5
Period
9.6 s · W
Swell
11 ft · 8 s
Highest expected
23 ft

Today the sea at Tjørnuvík is rough: 11 ft waves with a period of 9.6 s from the west. The swell, 11 ft at 8 s, comes from the west.

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 common5.7 ft
  • Significant11 ft
  • Highest expected23 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 23 ft. Before heading out, expect waves of up to 23 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 4.1 ft–8.2 ft
5 Rough · today 8.2 ft–13.1 ft
6 Very rough 13.1 ft–19.7 ft
7 High 19.7 ft–29.5 ft

Waves day by day

Day Max wave Sea state Direction Max period Swell Max wind
Today 12 ft Rough W 10 s 11 ft WSW 24 mph SSW
Fri 30 8.2 ft Moderate WSW 11 s 7.5 ft WSW 25 mph S
Sat 31 8.0 ft Moderate WSW 11 s 7.3 ft WSW 14 mph SSW
Sun 1 8.3 ft Rough W 9 s 7.7 ft W 12 mph WSW
Mon 2 7.6 ft Moderate W 9 s 7.4 ft W 9 mph WSW
Tue 3 9.2 ft Rough WSW 12 s 6.7 ft W 14 mph SW
Wed 4 9.8 ft Rough WSW 12 s 9.3 ft WSW 14 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 12 ft9.8 ft8.4 ft7.5 ft7.0 ft7.0 ft7.4 ft7.7 ft
Period 9.6 s9.3 s9.0 s8.7 s8.5 s8.4 s8.6 s8.9 s
Direction WWWWWWWSWWSW
Swell 11 ft · 8 s9.3 ft · 8 s7.5 ft · 7 s5.8 ft · 7 s4.3 ft · 7 s4.4 ft · 8 s5.4 ft · 8 s6.1 ft · 8 s
Wind (mph) 10 WSW7 SW7 SSW8 S10 S10 S11 S14 S

Previous days

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

DayMax wavePeriodSwell
Wed 28 18 ft W11 s12 ft W
Tue 27 16 ft SW11 s7.5 ft SW
Mon 26 11 ft W9 s9.2 ft WSW
Sun 25 10 ft N10 s6.2 ft WSW
Sat 24 7.5 ft WNW11 s6.9 ft WSW
Fri 23 7.2 ft W11 s6.6 ft W
Thu 22 6.2 ft W11 s5.9 ft W
Show all 14 days
DayMax wavePeriodSwell
Wed 21 8.2 ft WSW12 s7.9 ft WSW
Tue 20 12 ft WSW13 s11 ft W
Mon 19 16 ft WSW13 s15 ft W
Sun 18 12 ft WSW10 s9.5 ft W
Sat 17 11 ft WNW10 s7.2 ft WNW
Fri 16 15 ft NW12 s13 ft NNW
Thu 15 26 ft WSW15 s20 ft W

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 TjørnuvíkQuestions

How are the waves today in Tjørnuvík?

Rough (11 ft with a period of 9.6 s from the west). The highest wave to expect is around 23 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 12 ft (rough).

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 23 ft.

More about Tjørnuvík today

Waves near Tjørnuvík

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 2.0 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 12:08 am (local time).

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