TidePlanet

Waves in Weymouth

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 3:40 pm (GMT+11)
Now · significant height 5.1 ft
Sea state
Moderate · Douglas 4
Period
5.0 s · WNW
Swell
0.4 ft · 6 s
Highest expected
11 ft

Today the sea at Weymouth is moderate: 5.1 ft waves with a period of 5.0 s from the west-northwest. The swell, 0.4 ft at 6 s, comes from the north-northwest. Biggest waves: Saturday 31, with waves up to 5.8 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 common2.6 ft
  • Significant5.1 ft
  • Highest expected11 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 11 ft. Before heading out, expect waves of up to 11 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 5.5 ft Moderate WNW 5 s 3.0 ft NW 19 mph W
Fri 30 4.9 ft Moderate WNW 5 s 2.8 ft WNW 11 mph WNW
Sat 31 5.8 ft Moderate NW 6 s 2.2 ft NNW 21 mph NW
Sun 1 5.6 ft Moderate WNW 6 s 3.3 ft NW 21 mph W
Mon 2 3.9 ft Slight WNW 5 s 2.6 ft WNW 11 mph WNW
Tue 3 2.6 ft Slight NE 5 s 2.0 ft N 10 mph NNW
Wed 4 3.4 ft Slight WNW 5 s 2.8 ft WNW 13 mph W

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 5.2 ft5.2 ft5.1 ft4.7 ft4.7 ft4.9 ft5.4 ft5.4 ft
Period 5.5 s5.3 s5.3 s5.2 s5.0 s5.0 s5.3 s5.4 s
Direction WWWWWNWWNWWNWWNW
Swell 2.8 ft · 6 s2.1 ft · 6 s2.3 ft · 6 s2.2 ft · 6 s0.7 ft · 7 s0.4 ft · 6 s0.6 ft · 6 s1.0 ft · 6 s
Wind (mph) 14 WSW11 WSW12 W13 W15 WNW18 WNW18 WNW16 W

Previous days

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

DayMax wavePeriodSwell
Wed 28 6.2 ft WNW6 s3.0 ft NW
Tue 27 6.2 ft W6 s3.0 ft NW
Mon 26 5.2 ft W6 s3.0 ft NW
Sun 25 3.6 ft WNW7 s2.3 ft WNW
Sat 24 3.3 ft NW7 s2.3 ft NW
Fri 23 3.0 ft NNE6 s2.6 ft N
Thu 22 2.3 ft NE5 s1.6 ft NE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 2.0 ft N5 s1.3 ft NNW
Tue 20 2.0 ft NNE5 s1.6 ft NNE
Mon 19 1.6 ft NE5 s1.3 ft NE
Sun 18 2.0 ft NE5 s1.6 ft NNE
Sat 17 2.3 ft NNE5 s2.0 ft NNE
Fri 16 2.3 ft NE4 s1.6 ft NNE
Thu 15 2.3 ft NNW7 s1.3 ft WNW

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 WeymouthQuestions

How are the waves today in Weymouth?

Moderate (5.1 ft with a period of 5.0 s from the west-northwest). The highest wave to expect is around 11 ft.

Which day will have the biggest waves this week?

Saturday 31, 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 11 ft.

More about Weymouth today

Waves near Weymouth

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 15 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 3:40 pm (local time).

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