TidePlanet

Waves in Ribeira

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 7:22 am (CET)
Now · significant height 5.9 ft
Sea state
Moderate · Douglas 4
Period
10.5 s · WNW
Swell
5.9 ft · 9 s
Highest expected
12 ft

Today the sea at Ribeira is moderate: 5.9 ft waves with a period of 10.5 s from the west-northwest. The swell, 5.9 ft at 9 s, comes from the west-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 common3.0 ft
  • Significant5.9 ft
  • Highest expected12 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 12 ft. Before heading out, expect waves of up to 12 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 7.9 ft Moderate WNW 11 s 7.3 ft WNW 6 mph NNE
Fri 30 6.4 ft Moderate WNW 12 s 6.3 ft WNW 6 mph NNE
Sat 31 6.6 ft Moderate WNW 12 s 6.4 ft WNW 5 mph NE
Sun 1 5.4 ft Moderate WNW 12 s 5.2 ft WNW 6 mph ENE
Mon 2 4.3 ft Moderate NW 12 s 4.3 ft NW 5 mph ENE
Tue 3 3.0 ft Slight NNW 9 s 2.2 ft WNW 12 mph NNE
Wed 4 4.1 ft Slight NW 13 s 3.8 ft WNW 12 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 7.9 ft6.8 ft6.1 ft5.8 ft5.4 ft4.9 ft4.1 ft3.5 ft
Period 11.3 s11.1 s10.8 s10.3 s9.8 s9.6 s9.5 s10.0 s
Direction WNWWNWWNWWNWWNWWNWWNWWNW
Swell 7.3 ft · 9 s6.7 ft · 9 s6.1 ft · 9 s5.8 ft · 9 s5.4 ft · 8 s4.9 ft · 8 s4.0 ft · 8 s3.3 ft · 8 s
Wind (mph) 2 ESE4 ENE4 ENE5 ENE5 E4 W5 NW6 NW

Previous days

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

DayMax wavePeriodSwell
Wed 28 12 ft WNW13 s12 ft WNW
Tue 27 11 ft WNW12 s11 ft WNW
Mon 26 8.2 ft NW11 s7.5 ft WNW
Sun 25 9.5 ft WNW11 s8.9 ft NW
Sat 24 10 ft NW12 s10 ft NW
Fri 23 16 ft NW13 s16 ft NW
Thu 22 10 ft WNW11 s8.5 ft NW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 10 ft NW12 s10 ft NW
Tue 20 6.6 ft WNW14 s5.9 ft WNW
Mon 19 5.2 ft NW14 s4.6 ft WNW
Sun 18 5.6 ft NNW9 s4.6 ft NW
Sat 17 7.2 ft NW11 s6.9 ft NW
Fri 16 7.5 ft WNW12 s7.5 ft WNW
Thu 15 7.5 ft WNW13 s7.5 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 RibeiraQuestions

How are the waves today in Ribeira?

Moderate (5.9 ft with a period of 10.5 s from the west-northwest). The highest wave to expect is around 12 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 7.9 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 12 ft.

More about Ribeira today

Waves near Ribeira

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 2.7 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 7:22 am (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.