TidePlanet

Waves in Svennevik

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 9:45 am (CET)
Now · significant height 4.3 ft
Sea state
Moderate · Douglas 4
Period
6.4 s · WSW
Swell
3.8 ft · 5 s
Highest expected
8.8 ft

Today the sea at Svennevik is moderate: 4.3 ft waves with a period of 6.4 s from the west-southwest. The swell, 3.8 ft at 5 s, comes from the 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 common2.1 ft
  • Significant4.3 ft
  • Highest expected8.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.8 ft. Before heading out, expect waves of up to 8.8 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 5.8 ft Moderate WSW 7 s 4.9 ft SW 11 mph W
Fri 30 2.9 ft Slight WSW 6 s 2.2 ft SW 7 mph WNW
Sat 31 1.9 ft Slight WSW 5 s 1.7 ft WSW 9 mph WNW
Sun 1 2.8 ft Slight W 6 s 2.5 ft W 8 mph NW
Mon 2 2.2 ft Slight WNW 6 s 2.0 ft WNW 6 mph N
Tue 3 2.4 ft Slight WNW 6 s 2.3 ft WNW 7 mph NNW
Wed 4 2.8 ft Slight WNW 6 s 2.2 ft W 9 mph WNW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 5.8 ft5.3 ft4.8 ft4.4 ft3.9 ft3.7 ft3.5 ft3.2 ft
Period 7.3 s7.1 s6.8 s6.5 s6.2 s6.1 s6.0 s5.8 s
Direction SWSWWSWWSWWSWWSWWSWWSW
Swell 4.8 ft · 6 s4.8 ft · 6 s4.5 ft · 6 s4.0 ft · 5 s3.5 ft · 5 s3.1 ft · 5 s3.0 ft · 5 s2.3 ft · 5 s
Wind (mph) 6 W6 WNW5 WNW7 WNW10 W10 W7 W5 WNW

Previous days

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

DayMax wavePeriodSwell
Wed 28 8.9 ft SW8 s7.5 ft WSW
Tue 27 11 ft SSW8 s9.2 ft SSW
Mon 26 18 ft WSW12 s16 ft WSW
Sun 25 19 ft SSW12 s17 ft SW
Sat 24 6.9 ft SSE7 s3.9 ft S
Fri 23 8.2 ft SW8 s7.9 ft SW
Thu 22 8.2 ft S8 s8.2 ft SSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 5.6 ft SE6 s4.6 ft SSE
Tue 20 5.6 ft ESE6 s3.0 ft SSE
Mon 19 2.3 ft S6 s1.6 ft SW
Sun 18 2.0 ft W7 s1.6 ft W
Sat 17 3.3 ft W7 s2.6 ft W
Fri 16 6.6 ft SW8 s6.2 ft SW
Thu 15 7.5 ft SW7 s6.6 ft SW

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 SvennevikQuestions

How are the waves today in Svennevik?

Moderate (4.3 ft with a period of 6.4 s from the west-southwest). The highest wave to expect is around 8.8 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 5.8 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 8.8 ft.

More about Svennevik today

Waves near Svennevik

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 0.6 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 9:45 am (local time).

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