Waves in Streymnes

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 11:38 pm (WET)

Now · significant height 5.8 ft

Sea state: Moderate · Douglas 4
Period: 8.7 s · SW
Swell: 5.1 ft · 9 s
Highest expected: 12 ft

Waves up to 12 ft today

Today the sea at Streymnes is moderate: 5.8 ft waves with a period of 8.7 s from the southwest. The swell, 5.1 ft at 9 s, comes from the southwest.

Wave height, next 7 days

2.04.06.08.01012 ft 12 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 common2.9 ft
Significant5.8 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

Degree	Name	Wave 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	12 ft	Rough	SW	10 s	7.2 ft SW	38 mph WSW
Thu 29	6.5 ft	Moderate	SSW	9 s	5.1 ft SW	26 mph SSW
Fri 30	7.5 ft	Moderate	SSW	10 s	6.1 ft SW	23 mph SSW
Sat 31	5.6 ft	Moderate	SW	10 s	5.3 ft SW	13 mph SW
Sun 1	5.1 ft	Moderate	SW	8 s	3.7 ft SW	13 mph WSW
Mon 2	4.3 ft	Moderate	SW	7 s	2.9 ft SW	11 mph W
Tue 3	5.4 ft	Moderate	SW	8 s	3.0 ft SW	14 mph SW

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	12 ft	12 ft	11 ft	10 ft	9.3 ft	8.2 ft	7.4 ft	6.6 ft
Period	10.4 s	10.2 s	10.1 s	9.9 s	9.4 s	8.9 s	8.6 s	8.7 s
Direction	SW	SW	SW	SW	SW	SW	SW	SW
Swell	7.2 ft · 11 s	6.5 ft · 11 s	6.4 ft · 11 s	6.1 ft · 11 s	5.2 ft · 10 s	5.0 ft · 10 s	5.3 ft · 9 s	5.5 ft · 9 s
Wind (mph)	37 WSW	37 WSW	31 WSW	29 WSW	31 WSW	30 W	24 W	19 WSW

Previous days

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

Day	Max wave	Period	Swell
Tue 27	12 ft SSW	11 s	8.2 ft SSW
Mon 26	6.2 ft SW	10 s	4.9 ft SW
Sun 25	8.9 ft SSW	15 s	7.9 ft SSW
Sat 24	5.2 ft S	8 s	3.3 ft SSW
Fri 23	3.9 ft SW	10 s	3.3 ft WSW
Thu 22	3.9 ft SW	8 s	3.0 ft SW
Wed 21	6.2 ft SSW	9 s	3.9 ft SSW

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	8.2 ft SSW	9 s	4.9 ft SSW
Mon 19	11 ft SSW	10 s	7.2 ft WSW
Sun 18	8.5 ft SSW	8 s	4.9 ft SW
Sat 17	4.9 ft SW	9 s	3.9 ft SW
Fri 16	7.9 ft SW	13 s	7.9 ft SW
Thu 15	18 ft SW	14 s	14 ft SW
Wed 14	18 ft SSW	14 s	13 ft SW

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 StreymnesQuestions

How are the waves today in Streymnes?

Moderate (5.8 ft with a period of 8.7 s from the southwest). The highest wave to expect is around 12 ft.

Which day will have the biggest waves this week?

Wednesday 28, 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 Streymnes today

Waves near Streymnes

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 4.6 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 11:38 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from