Waves in Kostrena

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 6:01 am (CET)

Now · significant height 0.1 ft

Sea state: Calm (rippled) · Douglas 1
Period: 1.7 s · N
Swell: 0.1 ft · 1 s
Highest expected: 0.1 ft

Today the sea at Kostrena is calm (rippled): 0.1 ft waves with a period of 1.7 s from the north. The swell, 0.1 ft at 1 s, comes from the north. Biggest waves: Friday 30, with waves up to 0.5 ft (smooth).

Wave height, next 7 days

1.02.03.0 ft 0.5 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 common0.0 ft
Significant0.1 ft
Highest expected0.1 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 0.1 ft. Before heading out, expect waves of up to 0.1 ft.

The Douglas sea state scale

Degree	Name	Wave height
0	Calm (glassy)	0
1	Calm (rippled) · today	0.0 ft–0.3 ft
2	Smooth · week peak	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	0.1 ft	Calm (rippled)	NE	2 s	0.1 ft NE	16 mph ENE
Fri 30	0.5 ft	Smooth	E	3 s	0.3 ft E	13 mph ENE
Sat 31	0.3 ft	Calm (rippled)	ESE	3 s	0.1 ft ESE	20 mph ENE
Sun 1	0.5 ft	Smooth	ENE	2 s	0.3 ft ENE	32 mph NE
Mon 2	0.5 ft	Smooth	NE	2 s	0.3 ft NE	24 mph NE
Tue 3	0.3 ft	Calm (rippled)	E	3 s	0.3 ft E	9 mph NE
Wed 4	0.4 ft	Smooth	ESE	3 s	0.3 ft ESE	7 mph ENE

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	0.1 ft	0.1 ft	0.1 ft	0.1 ft	0.1 ft	0.1 ft	0.1 ft	0.1 ft
Period	1.7 s	1.7 s	1.7 s	2.2 s	1.9 s	1.7 s	1.8 s	2.0 s
Direction	NNE	NNE	N	NE	NE	ENE	ENE	E
Swell	0.1 ft · 1 s	0.1 ft · 1 s	0.1 ft · 1 s	0.1 ft · 1 s	0.1 ft · 2 s	0.1 ft · 1 s	0.1 ft · 1 s	0.1 ft · 1 s
Wind (mph)	3 NNE	3 NNE	2 N	2 ENE	9 ENE	9 ENE	8 ENE	16 ENE

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	0.0 ft NE	3 s	0.0 ft NNE
Tue 27	0.0 ft ENE	2 s	0.0 ft ENE
Mon 26	0.3 ft ESE	3 s	0.0 ft NW
Sun 25	0.3 ft SSE	4 s	0.3 ft S
Sat 24	1.6 ft S	4 s	1.3 ft S
Fri 23	0.3 ft SSE	3 s	0.0 ft SSE
Thu 22	0.7 ft S	4 s	0.7 ft S

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	1.6 ft S	5 s	1.3 ft S
Tue 20	1.0 ft S	4 s	0.7 ft S
Mon 19	0.0 ft S	3 s	0.0 ft NW
Sun 18	0.0 ft E	4 s	0.0 ft E
Sat 17	0.0 ft E	4 s	0.0 ft E
Fri 16	0.0 ft NE	3 s	0.0 ft NE
Thu 15	0.0 ft ENE	4 s	0.0 ft NE

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 KostrenaQuestions

How are the waves today in Kostrena?

Calm (rippled) (0.1 ft with a period of 1.7 s from the north). The highest wave to expect is around 0.1 ft.

Which day will have the biggest waves this week?

Friday 30, with waves up to 0.5 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 0.1 ft.

More about Kostrena today

Waves near Kostrena

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 2.4 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 6:01 am (local time).

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