TidePlanet

Waves in São Pedro de Moel

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 2:05 am (WET)
Now · significant height 9.1 ft
Sea state
Rough · Douglas 5
Period
11.6 s · NW
Swell
8.5 ft · 10 s
Highest expected
18 ft

Today the sea at São Pedro de Moel is rough: 9.1 ft waves with a period of 11.6 s from the northwest. The swell, 8.5 ft at 10 s, comes from the northwest.

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 common4.6 ft
  • Significant9.1 ft
  • Highest expected18 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 18 ft. Before heading out, expect waves of up to 18 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 4.1 ft–8.2 ft
5 Rough · today 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 9.4 ft Rough NW 12 s 8.9 ft NW 5 mph NE
Fri 30 5.3 ft Moderate WNW 12 s 5.2 ft WNW 5 mph NE
Sat 31 6.7 ft Moderate WNW 12 s 6.5 ft WNW 5 mph NNE
Sun 1 6.6 ft Moderate NW 12 s 6.4 ft NW 5 mph ENE
Mon 2 5.1 ft Moderate NW 11 s 5.1 ft NW 7 mph N
Tue 3 3.7 ft Slight NW 10 s 3.3 ft NW 8 mph NE
Wed 4 4.7 ft Moderate NW 12 s 3.9 ft WNW 9 mph NE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 9.4 ft8.9 ft8.1 ft7.0 ft6.2 ft5.6 ft5.2 ft4.9 ft
Period 11.8 s11.5 s11.2 s10.9 s10.6 s10.3 s10.1 s10.1 s
Direction NWNWNWNWNWNWNWNW
Swell 7.5 ft · 10 s8.9 ft · 10 s6.8 ft · 9 s5.4 ft · 9 s5.4 ft · 9 s3.9 ft · 8 s5.1 ft · 8 s4.9 ft · 8 s
Wind (mph) 3 ENE3 ENE3 E3 ENE2 NW4 NNW2 NE2 E

Previous days

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

DayMax wavePeriodSwell
Wed 28 12 ft NW13 s12 ft NW
Tue 27 10 ft NW13 s10 ft WNW
Mon 26 8.9 ft NW12 s8.9 ft NW
Sun 25 8.5 ft NW12 s8.2 ft NW
Sat 24 12 ft NW12 s12 ft NW
Fri 23 13 ft NW12 s13 ft NW
Thu 22 11 ft NW12 s10 ft NW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 11 ft NW11 s11 ft NW
Tue 20 7.5 ft NW12 s6.6 ft NW
Mon 19 6.6 ft NNW13 s4.9 ft NNW
Sun 18 7.5 ft NNW10 s7.5 ft NNW
Sat 17 8.2 ft NW12 s7.9 ft NW
Fri 16 7.9 ft NW12 s7.2 ft NW
Thu 15 7.9 ft NW12 s7.9 ft NW

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 São Pedro de MoelQuestions

How are the waves today in São Pedro de Moel?

Rough (9.1 ft with a period of 11.6 s from the northwest). The highest wave to expect is around 18 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 9.4 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 18 ft.

More about São Pedro de Moel today

Waves near São Pedro de Moel

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 6.1 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 2:05 am (local time).

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