Waves in Arcahaie

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 5:52 pm (EDT)

Now · significant height 0.2 ft

Sea state: Calm (rippled) · Douglas 1
Period: 4.4 s · WNW
Swell: 0.1 ft · 4 s
Highest expected: 0.4 ft

Today the sea at Arcahaie is calm (rippled): 0.2 ft waves with a period of 4.4 s from the west-northwest. The swell, 0.1 ft at 4 s, comes from the west.

Wave height, next 7 days

1.02.03.0 ft 0.3 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 common0.1 ft
Significant0.2 ft
Highest expected0.4 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 0.4 ft. Before heading out, expect waves of up to 0.4 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	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	0.3 ft	Calm (rippled)	W	6 s	0.2 ft W	8 mph ESE
Thu 29	0.1 ft	Calm (rippled)	WNW	6 s	0.1 ft W	7 mph ESE
Fri 30	0.1 ft	Calm (rippled)	WNW	6 s	0.1 ft W	8 mph WSW
Sat 31	0.1 ft	Calm (rippled)	WNW	5 s	0.1 ft W	8 mph SW
Sun 1	0.1 ft	Calm (rippled)	NW	5 s	0.1 ft NW	7 mph E
Mon 2	0.1 ft	Calm (rippled)	NNW	5 s	0.1 ft NNW	7 mph ESE
Tue 3	0.1 ft	Calm (rippled)	NNW	5 s	0.1 ft NNW	6 mph SE

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	0.3 ft	0.3 ft	0.2 ft	0.2 ft	0.3 ft	0.3 ft	0.2 ft	0.1 ft
Period	5.5 s	5.6 s	5.5 s	4.8 s	3.9 s	3.8 s	4.4 s	5.2 s
Direction	WNW	WNW	WNW	WNW	WSW	SSW	WNW	WNW
Swell	0.2 ft · 5 s	0.2 ft · 5 s	0.2 ft · 5 s	0.1 ft · 4 s	0.1 ft · 4 s	0.2 ft · 3 s	0.1 ft · 4 s	0.1 ft · 4 s
Wind (mph)	5 ESE	4 ESE	5 E	6 ESE	8 SE	4 SSE	3 S	4 E

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	0.3 ft WNW	6 s	0.3 ft W
Mon 26	0.3 ft NW	7 s	0.3 ft NW
Sun 25	1.0 ft ESE	3 s	0.3 ft ENE
Sat 24	0.7 ft E	8 s	0.3 ft ENE
Fri 23	1.0 ft E	8 s	0.3 ft ESE
Thu 22	0.3 ft NW	7 s	0.3 ft NNW
Wed 21	0.3 ft NW	9 s	0.0 ft WNW

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	0.3 ft NW	10 s	0.0 ft NNW
Mon 19	0.3 ft NNW	10 s	0.0 ft NNW
Sun 18	0.0 ft NW	3 s	0.0 ft NNW
Sat 17	0.3 ft NNE	3 s	0.3 ft NNE
Fri 16	0.3 ft NNW	3 s	0.0 ft NNW
Thu 15	0.0 ft NW	4 s	0.0 ft WNW
Wed 14	0.7 ft SE	4 s	0.3 ft SSE

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 ArcahaieQuestions

How are the waves today in Arcahaie?

Calm (rippled) (0.2 ft with a period of 4.4 s from the west-northwest). The highest wave to expect is around 0.4 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 0.3 ft (calm (rippled)).

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 0.4 ft.

More about Arcahaie today

Waves near Arcahaie

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 4.7 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 5:52 pm (local time).

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