TidePlanet

Waves in Akranes

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 9:51 pm (GMT)
Now · significant height 2.4 ft
Sea state
Slight · Douglas 3
Period
6.1 s · SW
Swell
2.1 ft · 5 s
Highest expected
5.0 ft
Waves up to 10 ft on Tuesday 3

Today the sea at Akranes is slight: 2.4 ft waves with a period of 6.1 s from the southwest. The swell, 2.1 ft at 5 s, comes from the west-southwest. Biggest waves: Tuesday 3, with waves up to 10 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 common1.2 ft
  • Significant2.4 ft
  • Highest expected5.0 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 5.0 ft. Before heading out, expect waves of up to 5.0 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 · week peak 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 3.4 ft Slight WSW 8 s 3.1 ft WSW 11 mph NE
Thu 29 5.8 ft Moderate SSW 11 s 5.5 ft SW 28 mph SE
Fri 30 7.1 ft Moderate SW 11 s 6.7 ft SW 19 mph SSE
Sat 31 9.3 ft Rough WSW 9 s 7.7 ft WSW 18 mph S
Sun 1 8.2 ft Moderate WSW 9 s 7.7 ft WSW 17 mph SSE
Mon 2 5.9 ft Moderate SW 8 s 5.1 ft SW 28 mph SSE
Tue 3 10 ft Rough SW 15 s 10.0 ft SW 19 mph S

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 ft3.4 ft3.4 ft3.3 ft3.2 ft3.1 ft2.8 ft2.5 ft
Period 7.9 s7.1 s7.3 s7.6 s7.4 s7.1 s6.8 s6.2 s
Direction WSWWSWWSWWSWWSWWSWWSWWSW
Swell 2.8 ft · 8 s2.8 ft · 7 s2.9 ft · 7 s3.0 ft · 7 s3.1 ft · 6 s3.0 ft · 6 s2.7 ft · 6 s2.2 ft · 6 s
Wind (mph) 5 N8 N9 NNW6 N3 ENE2 SSE6 E10 E

Previous days

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

DayMax wavePeriodSwell
Tue 27 3.0 ft W9 s2.6 ft WSW
Mon 26 3.0 ft WSW10 s2.6 ft SW
Sun 25 3.3 ft W8 s2.3 ft WSW
Sat 24 3.3 ft WSW10 s3.0 ft SW
Fri 23 5.2 ft WSW12 s5.2 ft WSW
Thu 22 5.2 ft WSW12 s5.2 ft WSW
Wed 21 5.6 ft WSW10 s5.6 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 11 ft WSW12 s11 ft WSW
Mon 19 16 ft WSW12 s13 ft WSW
Sun 18 16 ft SW12 s10 ft WSW
Sat 17 9.2 ft SSW12 s7.2 ft SW
Fri 16 7.5 ft WSW9 s5.9 ft WSW
Thu 15 8.9 ft W10 s3.9 ft SW
Wed 14 7.9 ft WNW10 s5.9 ft WSW

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 AkranesQuestions

How are the waves today in Akranes?

Slight (2.4 ft with a period of 6.1 s from the southwest). The highest wave to expect is around 5.0 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 10 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 5.0 ft.

More about Akranes today

Waves near Akranes

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 2.6 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 9:51 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from

Settings

How numbers and colors show across the site.

Height and distance Tides, waves and distances
Temperature Air and water
Wind Speed and gusts
Time Tides, sun and moon
Pressure Air pressure
Theme Automatic: same as your system

Saved only in this browser.