Waves in Siglufjörður

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:41 am (GMT)

Now · significant height 10 ft

Sea state: Rough · Douglas 5
Period: 9.5 s · NNE
Swell: 10 ft · 8 s
Highest expected: 21 ft

Today the sea at Siglufjörður is rough: 10 ft waves with a period of 9.5 s from the north-northeast. The swell, 10 ft at 8 s, comes from the north.

Wave height, next 7 days

2.04.06.08.01012 ft 11 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 common5.2 ft
Significant10 ft
Highest expected21 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 21 ft. Before heading out, expect waves of up to 21 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	4.1 ft–8.2 ft
5	Rough · today	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	11 ft	Rough	NNE	10 s	10 ft NNE	12 mph SE
Fri 30	4.5 ft	Moderate	NNE	8 s	4.5 ft NNE	26 mph S
Sat 31	3.7 ft	Slight	WSW	7 s	1.4 ft NW	25 mph SSW
Sun 1	3.7 ft	Slight	WSW	6 s	1.6 ft WNW	19 mph SSW
Mon 2	3.0 ft	Slight	WSW	5 s	1.2 ft WNW	17 mph S
Tue 3	2.6 ft	Slight	SW	4 s	0.8 ft WNW	22 mph SSW
Wed 4	3.1 ft	Slight	WSW	5 s	1.6 ft W	23 mph SSW

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	11 ft	9.8 ft	9.2 ft	8.4 ft	7.7 ft	6.8 ft	6.0 ft	5.2 ft
Period	9.6 s	9.1 s	8.6 s	8.3 s	8.0 s	8.1 s	8.1 s	8.0 s
Direction	N	NNE	NNE	NNE	NE	NE	NE	NNE
Swell	10 ft · 8 s	9.3 ft · 8 s	7.4 ft · 8 s	7.5 ft · 8 s	6.9 ft · 7 s	6.8 ft · 7 s	6.0 ft · 7 s	5.2 ft · 7 s
Wind (mph)	7 E	11 ESE	12 ESE	12 ESE	10 SE	7 S	7 S	9 SSW

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	20 ft N	12 s	20 ft NNE
Tue 27	17 ft NNE	10 s	9.8 ft N
Mon 26	10 ft NNE	9 s	9.2 ft NNE
Sun 25	8.2 ft N	8 s	7.5 ft N
Sat 24	13 ft N	11 s	13 ft N
Fri 23	13 ft N	11 s	13 ft N
Thu 22	12 ft N	11 s	12 ft N

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	6.6 ft N	9 s	6.2 ft N
Tue 20	3.3 ft NW	8 s	3.0 ft NW
Mon 19	6.2 ft WSW	9 s	2.6 ft W
Sun 18	5.9 ft SW	9 s	3.9 ft N
Sat 17	8.9 ft NNE	11 s	8.5 ft NNE
Fri 16	15 ft NNE	13 s	15 ft NNE
Thu 15	27 ft N	13 s	24 ft NNE

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 SiglufjörðurQuestions

How are the waves today in Siglufjörður?

Rough (10 ft with a period of 9.5 s from the north-northeast). The highest wave to expect is around 21 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 11 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 21 ft.

More about Siglufjörður today

Waves near Siglufjörður

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 9.7 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 12:41 am (local time).

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