Waves in Mariel

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 11:48 pm (GMT-4)

Now · significant height 4.3 ft

Sea state: Moderate · Douglas 4
Period: 6.4 s · N
Swell: 4.1 ft · 6 s
Highest expected: 8.8 ft

Today the sea at Mariel is moderate: 4.3 ft waves with a period of 6.4 s from the north. The swell, 4.1 ft at 6 s, comes from the north-northwest.

Wave height, next 7 days

2.04.06.0 ft 6.4 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 common2.2 ft
Significant4.3 ft
Highest expected8.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.8 ft. Before heading out, expect waves of up to 8.8 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	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	6.4 ft	Moderate	N	7 s	5.2 ft NNW	12 mph NNE
Thu 29	4.3 ft	Moderate	NNW	6 s	4.1 ft NNW	8 mph ENE
Fri 30	3.0 ft	Slight	N	6 s	2.8 ft NNW	9 mph ENE
Sat 31	2.5 ft	Slight	N	5 s	2.2 ft NNW	8 mph ENE
Sun 1	2.2 ft	Slight	NNE	5 s	1.6 ft NNE	12 mph ENE
Mon 2	2.1 ft	Slight	NNE	5 s	2.1 ft NE	9 mph NE
Tue 3	1.7 ft	Slight	NNE	5 s	1.5 ft N	8 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	5.8 ft	6.3 ft	6.0 ft	6.0 ft	5.8 ft	5.4 ft	5.1 ft	4.7 ft
Period	6.3 s	6.7 s	6.7 s	6.8 s	7.0 s	7.0 s	6.8 s	6.6 s
Direction	N	N	N	N	N	N	N	N
Swell	4.4 ft · 6 s	4.9 ft · 6 s	4.8 ft · 6 s	4.9 ft · 6 s	5.2 ft · 6 s	5.1 ft · 6 s	4.8 ft · 6 s	4.4 ft · 6 s
Wind (mph)	12 N	9 N	8 N	9 N	9 NNE	7 N	5 NNE	4 ENE

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	8.9 ft NNE	7 s	4.9 ft NNE
Mon 26	8.9 ft NNE	7 s	5.9 ft NNW
Sun 25	6.6 ft NNE	7 s	4.6 ft NNW
Sat 24	5.6 ft NNE	6 s	3.6 ft N
Fri 23	4.6 ft NNE	6 s	3.3 ft NNW
Thu 22	3.9 ft NNE	6 s	3.3 ft NNW
Wed 21	4.9 ft NNE	6 s	3.3 ft NNE

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	7.9 ft NNE	7 s	4.9 ft NNW
Mon 19	8.5 ft NNE	8 s	5.9 ft NNE
Sun 18	7.5 ft N	9 s	6.6 ft NNW
Sat 17	2.6 ft NE	5 s	2.3 ft ENE
Fri 16	2.6 ft ENE	5 s	2.0 ft ENE
Thu 15	3.3 ft ENE	6 s	3.3 ft ENE
Wed 14	3.6 ft NE	5 s	2.6 ft ENE

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 MarielQuestions

How are the waves today in Mariel?

Moderate (4.3 ft with a period of 6.4 s from the north). The highest wave to expect is around 8.8 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 6.4 ft (moderate).

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 8.8 ft.

More about Mariel today

Waves near Mariel

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 15 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 11:48 pm (local time).

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