TidePlanet

Waves in Bretteville

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:27 am (CET)
Now · significant height 2.2 ft
Sea state
Slight · Douglas 3
Period
8.5 s · W
Swell
2.1 ft · 9 s
Highest expected
4.5 ft

Today the sea at Bretteville is slight: 2.2 ft waves with a period of 8.5 s from the west. The swell, 2.1 ft at 9 s, comes from the west. Biggest waves: Wednesday 4, 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 common1.1 ft
  • Significant2.2 ft
  • Highest expected4.5 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.5 ft. Before heading out, expect waves of up to 4.5 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 2.3 ft Slight W 9 s 2.1 ft W 9 mph SE
Fri 30 2.6 ft Slight ESE 5 s 1.6 ft W 10 mph ESE
Sat 31 2.6 ft Slight N 6 s 1.7 ft W 10 mph E
Sun 1 2.4 ft Slight NE 5 s 1.4 ft W 9 mph NE
Mon 2 4.7 ft Moderate NE 5 s 1.0 ft WSW 14 mph NE
Tue 3 5.2 ft Moderate ENE 5 s 1.4 ft NE 15 mph NE
Wed 4 5.8 ft Moderate ENE 6 s 2.4 ft NW 16 mph ENE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 2.3 ft2.1 ft1.9 ft1.7 ft1.6 ft1.5 ft1.6 ft1.7 ft
Period 8.5 s8.7 s8.8 s9.0 s9.2 s8.1 s6.1 s5.3 s
Direction WWWWWWWSWWSW
Swell 2.1 ft · 9 s2.0 ft · 8 s1.8 ft · 8 s1.6 ft · 8 s1.5 ft · 8 s1.4 ft · 8 s1.3 ft · 8 s1.2 ft · 6 s
Wind (mph) 7 S8 SSE9 SSE8 SE7 SSE9 ESE7 ESE6 ESE

Previous days

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

DayMax wavePeriodSwell
Wed 28 4.9 ft W9 s3.6 ft W
Tue 27 5.6 ft W7 s3.6 ft W
Mon 26 4.6 ft WSW6 s2.6 ft W
Sun 25 11 ft W9 s3.6 ft W
Sat 24 8.9 ft W7 s3.0 ft W
Fri 23 12 ft W9 s2.6 ft WSW
Thu 22 6.6 ft W7 s3.3 ft W
Show all 14 days
DayMax wavePeriodSwell
Wed 21 8.9 ft W7 s2.0 ft W
Tue 20 3.3 ft NW6 s1.6 ft NNW
Mon 19 3.6 ft NE5 s2.6 ft NE
Sun 18 4.9 ft NE5 s2.3 ft ENE
Sat 17 4.9 ft N6 s2.0 ft W
Fri 16 4.3 ft WNW11 s3.3 ft W
Thu 15 2.6 ft W11 s2.6 ft W

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 BrettevilleQuestions

How are the waves today in Bretteville?

Slight (2.2 ft with a period of 8.5 s from the west). The highest wave to expect is around 4.5 ft.

Which day will have the biggest waves this week?

Wednesday 4, 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 4.5 ft.

More about Bretteville today

Waves near Bretteville

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 9.5 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 12:27 am (local time).

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