TidePlanet

Waves in Miyazu

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:14 pm (GMT+9)
Now · significant height 3.2 ft
Sea state
Slight · Douglas 3
Period
7.4 s · N
Swell
3.2 ft · 6 s
Highest expected
6.5 ft

Today the sea at Miyazu is slight: 3.2 ft waves with a period of 7.4 s from the north. The swell, 3.2 ft at 6 s, comes from the north.

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 common1.6 ft
  • Significant3.2 ft
  • Highest expected6.5 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 6.5 ft. Before heading out, expect waves of up to 6.5 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 5.2 ft Moderate N 8 s 5.2 ft N 10 mph SSW
Fri 30 1.6 ft Smooth NNW 7 s 1.4 ft NW 9 mph SSW
Sat 31 4.0 ft Slight NW 7 s 3.8 ft NW 13 mph W
Sun 1 3.3 ft Slight NNW 7 s 3.1 ft NNW 5 mph SW
Mon 2 2.1 ft Slight N 7 s 2.1 ft NNW 10 mph SW
Tue 3 3.5 ft Slight NNW 6 s 3.1 ft NNW 11 mph NW
Wed 4 2.8 ft Slight N 6 s 2.1 ft NNW 8 mph NNE

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 ft4.7 ft4.3 ft3.7 ft3.2 ft2.7 ft2.3 ft1.9 ft
Period 8.4 s8.2 s8.0 s7.7 s7.4 s7.2 s7.0 s6.6 s
Direction NNNNNNNN
Swell 5.2 ft · 7 s4.7 ft · 7 s4.2 ft · 7 s3.7 ft · 6 s3.2 ft · 6 s2.7 ft · 6 s2.2 ft · 6 s1.8 ft · 6 s
Wind (mph) 2 NW3 ESE5 SSW4 SSW10 S9 SSW6 SSW5 S

Previous days

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

DayMax wavePeriodSwell
Wed 28 7.5 ft N9 s7.2 ft N
Tue 27 5.2 ft N6 s3.6 ft N
Mon 26 3.9 ft NNE7 s3.9 ft NNE
Sun 25 3.9 ft NNE6 s3.9 ft NNE
Sat 24 2.3 ft NNE7 s2.3 ft NNE
Fri 23 5.2 ft N7 s4.6 ft N
Thu 22 5.6 ft NNW7 s4.6 ft NNW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.9 ft NW7 s3.9 ft NW
Tue 20 3.9 ft N8 s3.0 ft NNW
Mon 19 2.0 ft ESE7 s1.0 ft ESE
Sun 18 3.6 ft NE5 s3.6 ft NNE
Sat 17 3.9 ft NNE6 s3.6 ft NNE
Fri 16 2.6 ft NNW8 s2.6 ft NNW
Thu 15 5.2 ft NNW8 s5.2 ft NNW

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 MiyazuQuestions

How are the waves today in Miyazu?

Slight (3.2 ft with a period of 7.4 s from the north). The highest wave to expect is around 6.5 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 5.2 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 6.5 ft.

More about Miyazu today

Waves near Miyazu

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 12:14 pm (local time).

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