TidePlanet

Waves in Himi

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 11:19 am (GMT+9)
Now · significant height 3.5 ft
Sea state
Slight · Douglas 3
Period
7.1 s · NW
Swell
3.5 ft · 6 s
Highest expected
7.1 ft

Today the sea at Himi is slight: 3.5 ft waves with a period of 7.1 s from the northwest. The swell, 3.5 ft at 6 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 common1.7 ft
  • Significant3.5 ft
  • Highest expected7.1 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 7.1 ft. Before heading out, expect waves of up to 7.1 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 6.2 ft Moderate NW 8 s 6.2 ft NW 6 mph SW
Fri 30 4.3 ft Moderate W 6 s 3.8 ft W 7 mph SW
Sat 31 6.0 ft Moderate WNW 7 s 5.8 ft WNW 11 mph SW
Sun 1 5.2 ft Moderate NW 7 s 5.1 ft NW 5 mph NW
Mon 2 4.3 ft Moderate WNW 6 s 4.1 ft WNW 8 mph SW
Tue 3 4.8 ft Moderate WNW 6 s 4.5 ft WNW 9 mph NW
Wed 4 3.3 ft Slight NW 7 s 3.0 ft WNW 9 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 6.2 ft5.5 ft4.8 ft4.0 ft3.3 ft2.8 ft2.5 ft2.8 ft
Period 8.5 s8.1 s7.7 s7.4 s7.1 s6.7 s5.9 s5.1 s
Direction NWNWNWNWNWNWNWW
Swell 6.2 ft · 7 s5.5 ft · 7 s4.8 ft · 6 s4.0 ft · 6 s3.3 ft · 6 s2.8 ft · 6 s2.4 ft · 5 s2.0 ft · 4 s
Wind (mph) 2 NW3 W2 WSW2 SSW1 W3 SSW2 S4 SW

Previous days

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

DayMax wavePeriodSwell
Wed 28 9.2 ft NW9 s8.5 ft NW
Tue 27 5.2 ft NW6 s3.9 ft NNW
Mon 26 3.3 ft NNW6 s3.0 ft NNW
Sun 25 3.0 ft NW6 s2.6 ft NNW
Sat 24 2.0 ft NNW7 s1.6 ft NNW
Fri 23 5.2 ft NNW8 s5.2 ft NW
Thu 22 7.2 ft NW9 s6.9 ft NW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 7.2 ft W7 s5.9 ft W
Tue 20 4.3 ft WNW7 s3.3 ft NW
Mon 19 4.3 ft WSW7 s4.3 ft WSW
Sun 18 2.3 ft NW6 s2.0 ft NW
Sat 17 2.6 ft NW6 s2.6 ft NW
Fri 16 3.3 ft WNW7 s3.3 ft NW
Thu 15 7.2 ft NW9 s7.2 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 HimiQuestions

How are the waves today in Himi?

Slight (3.5 ft with a period of 7.1 s from the northwest). The highest wave to expect is around 7.1 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 6.2 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 7.1 ft.

More about Himi today

Waves near Himi

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 13 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 11:19 am (local time).

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