TidePlanet

Waves in Ersfjord

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:46 am (CET)
Now · significant height 8.5 ft
Sea state
Rough · Douglas 5
Period
10.7 s · WSW
Highest expected
17 ft
Waves up to 11 ft on Monday 2

Today the sea at Ersfjord is rough: 8.5 ft waves with a period of 10.7 s from the west-southwest. Biggest waves: Monday 2, with waves up to 11 ft (rough).

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 common4.2 ft
  • Significant8.5 ft
  • Highest expected17 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 17 ft. Before heading out, expect waves of up to 17 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 9.1 ft Rough WSW 12 s — 11 mph S
Fri 30 6.8 ft Moderate WSW 12 s — 5 mph SW
Sat 31 8.1 ft Moderate WSW 9 s — 12 mph SW
Sun 1 11 ft Rough W 9 s — 7 mph SW
Mon 2 11 ft Rough W 9 s — 18 mph WSW
Tue 3 8.9 ft Rough NW 8 s — 14 mph NW
Wed 4 9.0 ft Rough W 8 s — 15 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 8.5 ft8.8 ft9.1 ft8.8 ft8.2 ft7.7 ft7.5 ft7.3 ft
Period 10.6 s11.1 s11.3 s11.2 s11.1 s11.4 s11.9 s11.9 s
Direction WSWWSWWSWWSWWSWWSWWSWWSW
Swell ————————
Wind (mph) 7 S9 S11 S7 S5 SSE3 SSE2 SSE2 SSW

Previous days

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

DayMax wavePeriodSwell
Wed 28 8.5 ft WSW10 s—
Tue 27 3.0 ft WSW12 s—
Mon 26 3.0 ft SSW12 s—
Sun 25 3.3 ft SW9 s—
Sat 24 3.3 ft SW8 s—
Fri 23 3.3 ft WSW10 s—
Thu 22 5.6 ft W11 s—
Show all 14 days
DayMax wavePeriodSwell
Wed 21 9.8 ft W11 s—
Tue 20 19 ft W12 s—
Mon 19 20 ft WSW11 s—
Sun 18 12 ft W9 s—
Sat 17 16 ft WNW11 s—
Fri 16 21 ft W15 s—
Thu 15 15 ft WSW14 s—

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 ErsfjordQuestions

How are the waves today in Ersfjord?

Rough (8.5 ft with a period of 10.7 s from the west-southwest). The highest wave to expect is around 17 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 11 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 17 ft.

More about Ersfjord today

Waves near Ersfjord

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 1.0 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 12:46 am (local time).

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