TidePlanet

Waves in Hvammstangi

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 11:53 pm (GMT)
Now · significant height 3.1 ft
Sea state
Slight · Douglas 3
Period
9.6 s · N
Swell
3.1 ft · 8 s
Highest expected
6.3 ft

Today the sea at Hvammstangi is slight: 3.1 ft waves with a period of 9.6 s from the north. The swell, 3.1 ft at 8 s, comes from the north.

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 common1.6 ft
  • Significant3.1 ft
  • Highest expected6.3 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 6.3 ft. Before heading out, expect waves of up to 6.3 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 · week peak 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 7.3 ft Moderate N 10 s 6.0 ft N 20 mph N
Thu 29 3.1 ft Slight NNE 10 s 3.1 ft NNE 26 mph ESE
Fri 30 1.5 ft Smooth NNE 8 s 1.5 ft NNE 15 mph SE
Sat 31 1.4 ft Smooth S 4 s 0.5 ft NNE 14 mph SSE
Sun 1 1.4 ft Smooth SSW 4 s 0.3 ft S 16 mph SE
Mon 2 1.4 ft Smooth S 3 s 0.1 ft S 15 mph SSE
Tue 3 1.3 ft Smooth S 3 s 0.3 ft S 13 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 7.0 ft7.3 ft6.4 ft5.2 ft4.3 ft3.8 ft3.5 ft3.3 ft
Period 8.5 s8.9 s9.2 s9.4 s9.6 s9.8 s9.9 s9.8 s
Direction NNNNNNNN
Swell 4.9 ft · 9 s5.8 ft · 9 s6.0 ft · 8 s5.1 ft · 8 s4.3 ft · 8 s3.8 ft · 8 s3.5 ft · 8 s3.3 ft · 8 s
Wind (mph) 20 NNE17 N15 NNW13 NW8 WNW6 NW2 ENE5 ENE

Previous days

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

DayMax wavePeriodSwell
Tue 27 6.9 ft NNE9 s5.2 ft N
Mon 26 3.9 ft N11 s3.9 ft N
Sun 25 3.3 ft N8 s3.3 ft N
Sat 24 4.9 ft N12 s4.9 ft N
Fri 23 6.6 ft N14 s6.6 ft N
Thu 22 5.6 ft N12 s5.6 ft N
Wed 21 3.3 ft N9 s3.0 ft N
Show all 14 days
DayMax wavePeriodSwell
Tue 20 1.0 ft N9 s1.0 ft N
Mon 19 2.6 ft S6 s0.3 ft NNE
Sun 18 3.0 ft S6 s1.3 ft NNE
Sat 17 3.3 ft ENE12 s3.0 ft NNE
Fri 16 5.2 ft NNE13 s5.2 ft NNE
Thu 15 11 ft N13 s9.5 ft N
Wed 14 12 ft NNE9 s3.0 ft NNE

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 HvammstangiQuestions

How are the waves today in Hvammstangi?

Slight (3.1 ft with a period of 9.6 s from the north). The highest wave to expect is around 6.3 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 7.3 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 6.3 ft.

More about Hvammstangi today

Waves near Hvammstangi

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 6.7 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 11:53 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.