TidePlanet

Waves in Okushiri

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 8:58 am (GMT+9)
Now · significant height 6.1 ft
Sea state
Moderate · Douglas 4
Period
6.8 s · W
Swell
4.7 ft · 6 s
Highest expected
12 ft
Waves up to 12 ft on Sunday 1

Today the sea at Okushiri is moderate: 6.1 ft waves with a period of 6.8 s from the west. The swell, 4.7 ft at 6 s, comes from the west. Biggest waves: Sunday 1, with waves up to 12 ft (rough).

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 common3.1 ft
  • Significant6.1 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 · week peak 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 9.5 ft Rough W 8 s 6.0 ft W 30 mph SW
Fri 30 7.5 ft Moderate SW 7 s 5.3 ft WSW 21 mph SSW
Sat 31 9.7 ft Rough W 7 s 4.9 ft SW 33 mph WNW
Sun 1 12 ft Rough WNW 8 s 6.0 ft WSW 33 mph WNW
Mon 2 4.8 ft Moderate NNW 7 s 3.5 ft NNW 17 mph E
Tue 3 6.0 ft Moderate WNW 6 s 3.1 ft WSW 28 mph WNW
Wed 4 4.9 ft Moderate WNW 6 s 2.9 ft NW 28 mph WNW

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 9.5 ft8.4 ft7.1 ft6.1 ft6.0 ft7.3 ft8.1 ft8.2 ft
Period 7.5 s7.2 s7.1 s6.8 s6.0 s5.9 s6.3 s6.5 s
Direction WNWWNWWNWWWSWSWSWSW
Swell 4.8 ft · 7 s4.9 ft · 7 s6.0 ft · 6 s4.7 ft · 6 s3.6 ft · 6 s2.8 ft · 6 s2.2 ft · 6 s1.7 ft · 7 s
Wind (mph) 27 WNW24 WNW10 WSW20 S29 SSW30 SSW30 SW25 SW

Previous days

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

DayMax wavePeriodSwell
Wed 28 16 ft WNW9 s6.2 ft W
Tue 27 9.5 ft WNW7 s2.6 ft NW
Mon 26 6.9 ft NW7 s5.6 ft NW
Sun 25 6.2 ft NW6 s2.6 ft W
Sat 24 3.9 ft W6 s3.3 ft W
Fri 23 8.5 ft WNW8 s5.6 ft W
Thu 22 12 ft WNW8 s5.9 ft WNW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 7.5 ft WSW7 s2.6 ft SW
Tue 20 8.2 ft SW9 s7.9 ft SW
Mon 19 8.9 ft SW9 s8.5 ft SW
Sun 18 5.2 ft WNW6 s4.6 ft NW
Sat 17 7.5 ft WNW7 s4.3 ft W
Fri 16 7.2 ft W6 s5.6 ft WSW
Thu 15 13 ft W8 s7.5 ft WSW

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 OkushiriQuestions

How are the waves today in Okushiri?

Moderate (6.1 ft with a period of 6.8 s from the west). The highest wave to expect is around 12 ft.

Which day will have the biggest waves this week?

Sunday 1, with waves up to 12 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 12 ft.

More about Okushiri today

Waves near Okushiri

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 4.3 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 8:58 am (local time).

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