TidePlanet

Waves in Viriato

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 11:14 am (GMT+8)
Now · significant height 1.0 ft
Sea state
Smooth · Douglas 2
Period
4.9 s · NNE
Swell
0.9 ft · 4 s
Highest expected
2.0 ft

Today the sea at Viriato is smooth: 1.0 ft waves with a period of 4.9 s from the north-northeast. The swell, 0.9 ft at 4 s, comes from the north-northeast. Biggest waves: Wednesday 4, with waves up to 1.3 ft (smooth).

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 common0.5 ft
  • Significant1.0 ft
  • Highest expected2.0 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 2.0 ft. Before heading out, expect waves of up to 2.0 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth · today 0.3 ft–1.6 ft
3 Slight 1.6 ft–4.1 ft
4 Moderate 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 1.2 ft Smooth NNE 6 s 1.0 ft NNE 6 mph NE
Fri 30 0.9 ft Smooth NNE 6 s 0.7 ft NNE 6 mph NE
Sat 31 1.1 ft Smooth NNE 5 s 0.7 ft NNE 5 mph NE
Sun 1 0.8 ft Smooth NNE 6 s 0.7 ft NNE 4 mph ENE
Mon 2 0.9 ft Smooth NNE 7 s 0.5 ft NNE 4 mph NE
Tue 3 0.7 ft Smooth NNE 7 s 0.5 ft NNE 5 mph NNE
Wed 4 1.3 ft Smooth NE 6 s 0.7 ft NNE 4 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 1.2 ft1.1 ft1.0 ft1.0 ft1.0 ft1.0 ft0.9 ft0.9 ft
Period 4.8 s4.9 s5.0 s5.0 s4.9 s4.8 s5.1 s5.5 s
Direction NNENNENNENNENNENNENNENNE
Swell 1.0 ft · 4 s0.9 ft · 4 s0.9 ft · 4 s0.9 ft · 4 s0.8 ft · 4 s0.7 ft · 4 s0.7 ft · 4 s0.7 ft · 4 s
Wind (mph) 3 NE3 NE3 NE5 NE5 NE4 NE3 NNE2 NNE

Previous days

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

DayMax wavePeriodSwell
Wed 28 1.6 ft NNE5 s1.3 ft NNE
Tue 27 2.3 ft NNE5 s1.0 ft NNE
Mon 26 1.0 ft NNE8 s0.3 ft NNE
Sun 25 0.3 ft NE8 s0.3 ft NNE
Sat 24 1.6 ft SSW6 s1.0 ft S
Fri 23 2.3 ft SSW5 s1.3 ft NNE
Thu 22 2.3 ft W6 s1.0 ft NNE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 2.0 ft N7 s1.0 ft NNE
Tue 20 1.6 ft NNE7 s1.3 ft NNE
Mon 19 1.3 ft NNE5 s0.7 ft NNE
Sun 18 1.0 ft NNE5 s1.0 ft NNE
Sat 17 1.3 ft NNE5 s1.0 ft NNE
Fri 16 1.6 ft NNE5 s1.0 ft NNE
Thu 15 1.0 ft NNE5 s0.7 ft NNE

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 ViriatoQuestions

How are the waves today in Viriato?

Smooth (1.0 ft with a period of 4.9 s from the north-northeast). The highest wave to expect is around 2.0 ft.

Which day will have the biggest waves this week?

Wednesday 4, with waves up to 1.3 ft (smooth).

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 2.0 ft.

More about Viriato today

Waves near Viriato

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 4.2 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 11:14 am (local time).

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