TidePlanet

Waves in Justvik

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:24 am (CET)
Now · significant height 3.5 ft
Sea state
Slight · Douglas 3
Period
5.9 s · SSW
Swell
3.4 ft · 5 s
Highest expected
7.3 ft

Today the sea at Justvik is slight: 3.5 ft waves with a period of 5.9 s from the south-southwest. The swell, 3.4 ft at 5 s, comes from the south-southwest.

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 common1.8 ft
  • Significant3.5 ft
  • Highest expected7.3 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 7.3 ft. Before heading out, expect waves of up to 7.3 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 3.6 ft Slight SW 6 s 3.5 ft SSW 11 mph WSW
Fri 30 2.0 ft Slight SW 5 s 1.8 ft SW 5 mph NW
Sat 31 1.6 ft Smooth SW 4 s 1.2 ft SW 4 mph NNW
Sun 1 1.8 ft Slight SW 5 s 1.4 ft SW 4 mph WNW
Mon 2 1.0 ft Smooth ESE 4 s 0.9 ft E 12 mph NNE
Tue 3 0.5 ft Smooth SW 4 s 0.4 ft WSW 8 mph NNW
Wed 4 1.4 ft Smooth SW 4 s 1.2 ft SW 8 mph NNW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 3.6 ft3.3 ft3.1 ft3.0 ft2.8 ft2.6 ft2.4 ft2.1 ft
Period 5.9 s5.9 s5.7 s5.5 s5.2 s5.1 s5.0 s5.0 s
Direction SSWSSWSSWSWSWSWSWSW
Swell 3.5 ft · 5 s3.3 ft · 5 s3.1 ft · 5 s2.8 ft · 5 s2.6 ft · 5 s2.3 ft · 5 s2.2 ft · 4 s2.0 ft · 4 s
Wind (mph) 4 WSW5 W6 W5 WSW11 WSW9 W5 WSW3 W

Previous days

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

DayMax wavePeriodSwell
Wed 28 5.2 ft SSW6 s4.3 ft SSW
Tue 27 7.2 ft S6 s5.2 ft S
Mon 26 10 ft SW8 s6.6 ft SSW
Sun 25 9.2 ft S8 s5.2 ft S
Sat 24 5.6 ft SE6 s3.9 ft ESE
Fri 23 4.9 ft SSW6 s4.6 ft SSW
Thu 22 5.6 ft S6 s4.6 ft S
Show all 14 days
DayMax wavePeriodSwell
Wed 21 5.2 ft ESE6 s3.3 ft ESE
Tue 20 5.2 ft ESE6 s2.3 ft SE
Mon 19 1.3 ft SE4 s1.0 ft SE
Sun 18 1.3 ft E5 s1.3 ft E
Sat 17 2.6 ft SE5 s2.3 ft SSE
Fri 16 3.9 ft SSW6 s3.6 ft SSW
Thu 15 5.6 ft SSW6 s3.3 ft SSW

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 JustvikQuestions

How are the waves today in Justvik?

Slight (3.5 ft with a period of 5.9 s from the south-southwest). The highest wave to expect is around 7.3 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 3.6 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 7.3 ft.

More about Justvik today

Waves near Justvik

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 5.0 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 12:24 am (local time).

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