Waves in Shiida

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 8:46 am (GMT+9)

Now · significant height 0.7 ft

Sea state: Smooth · Douglas 2
Period: 2.9 s · E
Swell: 0.6 ft · 2 s
Highest expected: 1.4 ft

Today the sea at Shiida is smooth: 0.7 ft waves with a period of 2.9 s from the east. The swell, 0.6 ft at 2 s, comes from the east-northeast. Biggest waves: Saturday 31, with waves up to 1.6 ft (smooth).

Wave height, next 7 days

1.02.03.0 ft 1.6 ft Now

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 common0.3 ft
Significant0.7 ft
Highest expected1.4 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.4 ft. Before heading out, expect waves of up to 1.4 ft.

The Douglas sea state scale

Degree	Name	Wave 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	0.7 ft	Smooth	ENE	3 s	0.6 ft ENE	3 mph SW
Fri 30	1.2 ft	Smooth	W	4 s	0.5 ft ENE	11 mph WSW
Sat 31	1.6 ft	Smooth	WNW	3 s	0.7 ft NW	14 mph W
Sun 1	0.7 ft	Smooth	NE	5 s	0.5 ft N	7 mph SSE
Mon 2	1.5 ft	Smooth	ESE	3 s	1.3 ft ESE	16 mph W
Tue 3	1.2 ft	Smooth	NNW	3 s	0.5 ft NW	6 mph NNW
Wed 4	0.7 ft	Smooth	NNE	4 s	0.5 ft NNE	9 mph E

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Waves	0.5 ft	0.3 ft	0.5 ft	0.7 ft	0.7 ft	0.5 ft	0.4 ft	0.3 ft
Period	3.2 s	3.4 s	3.0 s	2.9 s	2.9 s	2.9 s	2.8 s	2.9 s
Direction	N	N	ENE	E	E	ENE	ENE	E
Swell	0.3 ft · 2 s	0.1 ft · 4 s	0.4 ft · 2 s	0.6 ft · 2 s	0.6 ft · 2 s	0.5 ft · 2 s	0.3 ft · 2 s	0.2 ft · 2 s
Wind (mph)	0 ENE	2 SW	2 SW	1 SSW	3 W	1 NW	2 NE	2 SE

Previous days

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

Day	Max wave	Period	Swell
Wed 28	2.0 ft NNW	3 s	0.7 ft NW
Tue 27	2.0 ft NNW	3 s	0.7 ft NNE
Mon 26	6.2 ft ENE	6 s	5.2 ft ENE
Sun 25	1.6 ft ENE	4 s	1.6 ft ESE
Sat 24	2.6 ft E	4 s	1.6 ft ENE
Fri 23	3.0 ft E	4 s	1.3 ft ENE
Thu 22	1.6 ft N	3 s	0.7 ft NW

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	1.6 ft W	4 s	0.7 ft NNW
Tue 20	3.0 ft E	5 s	2.6 ft E
Mon 19	1.6 ft ESE	4 s	1.3 ft ESE
Sun 18	2.3 ft E	4 s	1.6 ft ENE
Sat 17	1.6 ft E	4 s	1.0 ft ENE
Fri 16	0.0 ft N	5 s	0.0 ft NNW
Thu 15	0.7 ft N	5 s	0.3 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 ShiidaQuestions

How are the waves today in Shiida?

Smooth (0.7 ft with a period of 2.9 s from the east). The highest wave to expect is around 1.4 ft.

Which day will have the biggest waves this week?

Saturday 31, with waves up to 1.6 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 1.4 ft.

More about Shiida today

Waves near Shiida

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 8:46 am (local time).

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