Waves in Laugharne

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 11:02 pm (GMT)

Now · significant height 4.3 ft

Sea state: Moderate · Douglas 4
Period: 8.2 s · SW
Swell: 4.2 ft · 7 s
Highest expected: 8.6 ft

Today the sea at Laugharne is moderate: 4.3 ft waves with a period of 8.2 s from the southwest. The swell, 4.2 ft at 7 s, comes from the southwest.

Wave height, next 7 days

2.04.06.08.0 ft 7.4 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 common2.1 ft
Significant4.3 ft
Highest expected8.6 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.6 ft. Before heading out, expect waves of up to 8.6 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	7.4 ft	Moderate	SW	9 s	5.7 ft SW	21 mph WSW
Thu 29	4.1 ft	Moderate	SW	8 s	4.1 ft SW	12 mph SSE
Fri 30	3.4 ft	Slight	SW	9 s	2.9 ft WSW	12 mph ESE
Sat 31	3.2 ft	Slight	SW	9 s	2.9 ft WSW	8 mph E
Sun 1	2.0 ft	Slight	SW	9 s	1.7 ft SW	9 mph N
Mon 2	1.4 ft	Smooth	SSE	8 s	0.9 ft S	11 mph NE
Tue 3	1.2 ft	Smooth	E	6 s	0.7 ft SE	11 mph NE

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	7.3 ft	7.2 ft	7.4 ft	7.0 ft	6.4 ft	5.8 ft	5.2 ft	4.6 ft
Period	8.7 s	8.1 s	7.8 s	8.0 s	8.0 s	8.1 s	8.2 s	8.2 s
Direction	SW	SW	SW	SW	SW	SW	SW	SW
Swell	5.7 ft · 9 s	4.7 ft · 10 s	4.0 ft · 10 s	4.2 ft · 10 s	4.0 ft · 7 s	5.1 ft · 8 s	4.6 ft · 8 s	4.5 ft · 7 s
Wind (mph)	14 WSW	17 WSW	20 WSW	16 WSW	15 WSW	13 WSW	7 WSW	7 SW

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	11 ft SW	9 s	7.5 ft SW
Mon 26	11 ft SW	8 s	4.3 ft WSW
Sun 25	12 ft WSW	9 s	5.2 ft WSW
Sat 24	11 ft SW	8 s	4.6 ft SW
Fri 23	7.2 ft WSW	12 s	6.9 ft SW
Thu 22	5.9 ft SW	8 s	4.9 ft WSW
Wed 21	6.9 ft WSW	8 s	4.9 ft WSW

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	3.3 ft SSW	10 s	2.3 ft SW
Mon 19	2.6 ft E	5 s	1.6 ft S
Sun 18	1.6 ft NW	8 s	1.3 ft WSW
Sat 17	2.6 ft WSW	10 s	2.3 ft WSW
Fri 16	4.9 ft WSW	9 s	4.3 ft WSW
Thu 15	8.5 ft SW	9 s	5.9 ft WSW
Wed 14	5.9 ft SW	8 s	4.6 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 LaugharneQuestions

How are the waves today in Laugharne?

Moderate (4.3 ft with a period of 8.2 s from the southwest). The highest wave to expect is around 8.6 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 7.4 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 8.6 ft.

More about Laugharne today

Waves near Laugharne

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 4.4 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 11:02 pm (local time).

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