TidePlanet

Waves in Somerset West

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 11:58 pm (GMT+2)
Now · significant height 4.9 ft
Sea state
Moderate · Douglas 4
Period
12.4 s · SSW
Swell
4.5 ft · 12 s
Highest expected
9.7 ft

Today the sea at Somerset West is moderate: 4.9 ft waves with a period of 12.4 s from the south-southwest. The swell, 4.5 ft at 12 s, comes from the southwest. Biggest waves: Thursday 29, with waves up to 6.0 ft (moderate).

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 common2.5 ft
  • Significant4.9 ft
  • Highest expected9.7 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.7 ft. Before heading out, expect waves of up to 9.7 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 4.7 ft Moderate SSW 12 s 4.2 ft SW 12 mph SSW
Thu 29 6.0 ft Moderate SSW 13 s 5.7 ft SW 11 mph SW
Fri 30 5.1 ft Moderate SSW 10 s 4.7 ft SW 14 mph SW
Sat 31 5.2 ft Moderate SSW 9 s 4.1 ft SW 14 mph SSW
Sun 1 5.2 ft Moderate SSW 10 s 4.7 ft SW 16 mph S
Mon 2 4.7 ft Moderate SSW 9 s 4.3 ft SW 14 mph SSW
Tue 3 4.4 ft Moderate SSW 11 s 4.4 ft SSW 13 mph SSW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 2.2 ft2.2 ft2.1 ft2.2 ft2.4 ft2.9 ft3.5 ft4.3 ft
Period 7.6 s7.8 s8.0 s8.2 s8.5 s9.3 s10.6 s11.6 s
Direction SSWSSWSSWSSWSSWSSWSSWSSW
Swell 1.6 ft · 7 s1.6 ft · 7 s1.7 ft · 6 s1.6 ft · 7 s1.6 ft · 7 s1.8 ft · 8 s2.4 ft · 12 s3.7 ft · 12 s
Wind (mph) 4 SSW2 SSE4 S8 SSW10 SW12 SW11 SW4 SW

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 SSW8 s2.3 ft SSW
Mon 26 3.3 ft SSW8 s2.3 ft SSW
Sun 25 3.6 ft S8 s3.0 ft SSW
Sat 24 4.3 ft SSW10 s4.3 ft SSW
Fri 23 5.9 ft SSW11 s5.9 ft SSW
Thu 22 5.9 ft SW10 s5.6 ft SW
Wed 21 6.9 ft SW11 s6.2 ft SW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 5.6 ft SW10 s4.9 ft SW
Mon 19 5.9 ft SSW10 s5.9 ft SSW
Sun 18 6.6 ft SSW11 s6.6 ft SSW
Sat 17 6.6 ft SW11 s6.6 ft SW
Fri 16 5.9 ft SW12 s5.6 ft SW
Thu 15 6.6 ft SW13 s6.6 ft SW
Wed 14 5.6 ft SW12 s5.2 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 Somerset WestQuestions

How are the waves today in Somerset West?

Moderate (4.9 ft with a period of 12.4 s from the south-southwest). The highest wave to expect is around 9.7 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 6.0 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 9.7 ft.

More about Somerset West today

Waves near Somerset West

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 3.3 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 11:58 pm (local time).

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