Waves in Lewin's Cove

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 5:53 am (GMT-2:30)

Now · significant height 2.3 ft

Sea state: Slight · Douglas 3
Period: 5.4 s · SW
Swell: 1.2 ft · 6 s
Highest expected: 4.8 ft

Today the sea at Lewin's Cove is slight: 2.3 ft waves with a period of 5.4 s from the southwest. The swell, 1.2 ft at 6 s, comes from the south-southwest. Biggest waves: Monday 2, with waves up to 4.9 ft (moderate).

Wave height, next 7 days

1.02.03.04.05.0 ft 4.9 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 common1.1 ft
Significant2.3 ft
Highest expected4.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.8 ft. Before heading out, expect waves of up to 4.8 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 · today	1.6 ft–4.1 ft
4	Moderate · week peak	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	3.0 ft	Slight	SW	7 s	2.2 ft SSW	19 mph W
Fri 30	4.7 ft	Moderate	SSW	6 s	3.6 ft SSW	18 mph SW
Sat 31	3.1 ft	Slight	S	6 s	2.6 ft S	13 mph NNW
Sun 1	3.5 ft	Slight	SSE	10 s	3.1 ft SE	17 mph NW
Mon 2	4.9 ft	Moderate	SSW	10 s	3.1 ft S	22 mph WSW
Tue 3	3.4 ft	Slight	SSW	7 s	2.9 ft SSW	15 mph WNW
Wed 4	3.1 ft	Slight	S	7 s	1.0 ft SSW	10 mph NNW

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	2.1 ft	2.2 ft	2.3 ft	2.3 ft	2.4 ft	2.8 ft	2.8 ft	2.4 ft
Period	6.5 s	5.8 s	5.4 s	5.3 s	5.0 s	4.6 s	5.0 s	5.4 s
Direction	SW	SW	SW	SW	SW	SW	SW	SSW
Swell	1.2 ft · 8 s	1.0 ft · 8 s	1.2 ft · 6 s	1.4 ft · 5 s	1.5 ft · 5 s	1.4 ft · 5 s	1.9 ft · 5 s	2.1 ft · 5 s
Wind (mph)	13 W	14 W	13 W	13 W	16 W	19 W	14 WSW	11 WSW

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	2.6 ft WSW	7 s	1.6 ft SSE
Tue 27	3.0 ft SW	6 s	2.6 ft SSW
Mon 26	2.6 ft SSW	7 s	2.3 ft S
Sun 25	3.3 ft SSE	9 s	2.6 ft SE
Sat 24	10 ft E	9 s	4.9 ft SSE
Fri 23	10 ft ENE	7 s	3.0 ft SSE
Thu 22	3.6 ft SSE	7 s	3.0 ft SSE

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	2.6 ft SSE	7 s	2.3 ft SSE
Tue 20	2.6 ft S	7 s	2.0 ft S
Mon 19	2.6 ft S	8 s	2.3 ft S
Sun 18	5.6 ft SSW	9 s	5.6 ft S
Sat 17	7.9 ft S	8 s	7.2 ft S
Fri 16	4.9 ft SW	7 s	3.3 ft S
Thu 15	12 ft SSE	9 s	10 ft S

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 Lewin's CoveQuestions

How are the waves today in Lewin's Cove?

Slight (2.3 ft with a period of 5.4 s from the southwest). The highest wave to expect is around 4.8 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 4.9 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 4.8 ft.

More about Lewin's Cove today

Waves near Lewin's Cove

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 8.6 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 5:53 am (local time).

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