Waves in San Miguel

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 8:29 am (GMT+8)

Now · significant height 2.0 ft

Sea state: Slight · Douglas 3
Period: 4.5 s · NE
Swell: 0.9 ft · 7 s
Highest expected: 4.2 ft

Today the sea at San Miguel is slight: 2.0 ft waves with a period of 4.5 s from the northeast. The swell, 0.9 ft at 7 s, comes from the north.

Wave height, next 7 days

1.02.03.0 ft 2.1 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 common1.0 ft
Significant2.0 ft
Highest expected4.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.2 ft. Before heading out, expect waves of up to 4.2 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	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	2.1 ft	Slight	NE	5 s	1.2 ft NNE	14 mph E
Fri 30	1.9 ft	Slight	ENE	4 s	0.7 ft N	14 mph E
Sat 31	1.4 ft	Smooth	NE	5 s	0.9 ft NNE	13 mph ESE
Sun 1	1.4 ft	Smooth	ENE	4 s	1.0 ft ENE	13 mph ESE
Mon 2	1.7 ft	Slight	ENE	3 s	0.7 ft NE	13 mph E
Tue 3	1.8 ft	Slight	ENE	3 s	0.7 ft ENE	15 mph E
Wed 4	1.8 ft	Slight	E	3 s	0.9 ft ENE	14 mph E

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	1.6 ft	1.4 ft	1.6 ft	2.0 ft	2.0 ft	1.6 ft	1.6 ft	1.8 ft
Period	4.4 s	5.1 s	5.2 s	4.4 s	4.6 s	4.9 s	4.7 s	4.2 s
Direction	ENE	NE	NE	ENE	NE	NE	NE	ENE
Swell	1.2 ft · 4 s	1.0 ft · 4 s	1.0 ft · 4 s	0.9 ft · 7 s	1.0 ft · 6 s	1.1 ft · 6 s	0.9 ft · 6 s	0.8 ft · 6 s
Wind (mph)	8 NE	5 NE	10 ENE	12 E	13 ENE	10 E	10 ESE	12 E

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	2.3 ft ENE	4 s	1.3 ft ENE
Tue 27	1.3 ft ENE	4 s	1.0 ft E
Mon 26	1.3 ft NNE	6 s	0.7 ft NNE
Sun 25	1.3 ft NNW	9 s	1.3 ft NNW
Sat 24	1.6 ft NNW	9 s	1.6 ft NNW
Fri 23	2.0 ft NNW	8 s	2.0 ft NNW
Thu 22	1.3 ft NW	5 s	1.0 ft NNW

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	0.7 ft NNW	6 s	0.3 ft NNW
Tue 20	0.7 ft NNE	5 s	0.7 ft NNW
Mon 19	1.3 ft NE	5 s	1.0 ft N
Sun 18	2.0 ft ENE	4 s	1.3 ft ENE
Sat 17	2.0 ft ENE	4 s	1.0 ft ENE
Fri 16	2.3 ft ENE	4 s	1.0 ft ENE
Thu 15	1.6 ft ENE	5 s	1.0 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 San MiguelQuestions

How are the waves today in San Miguel?

Slight (2.0 ft with a period of 4.5 s from the northeast). The highest wave to expect is around 4.2 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 2.1 ft (slight).

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 4.2 ft.

More about San Miguel today

Waves near San Miguel

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 3.4 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 8:29 am (local time).

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