Waves in Monte Vermelho

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 8:25 am (GMT-1)

Now · significant height 3.0 ft

Sea state: Slight · Douglas 3
Period: 10.1 s · SSW
Swell: 2.0 ft · 10 s
Highest expected: 5.9 ft

Today the sea at Monte Vermelho is slight: 3.0 ft waves with a period of 10.1 s from the south-southwest. The swell, 2.0 ft at 10 s, comes from the south. Biggest waves: Monday 2, with waves up to 3.1 ft (slight).

Wave height, next 7 days

1.02.03.0 ft 3.1 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 common1.5 ft
Significant3.0 ft
Highest expected5.9 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 5.9 ft. Before heading out, expect waves of up to 5.9 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	3.0 ft	Slight	SSW	10 s	2.2 ft S	20 mph NNE
Fri 30	2.9 ft	Slight	SE	9 s	1.8 ft WNW	21 mph NNE
Sat 31	2.5 ft	Slight	SSE	10 s	1.3 ft S	14 mph NNE
Sun 1	2.8 ft	Slight	S	11 s	1.9 ft S	8 mph ENE
Mon 2	3.1 ft	Slight	S	11 s	2.2 ft S	12 mph NNE
Tue 3	3.1 ft	Slight	S	11 s	2.2 ft S	18 mph NNE
Wed 4	3.0 ft	Slight	S	10 s	2.0 ft S	15 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	3.0 ft	3.0 ft	3.0 ft	3.0 ft	3.0 ft	3.0 ft	2.9 ft	2.9 ft
Period	10.2 s	10.3 s	10.3 s	10.0 s	9.7 s	9.7 s	9.4 s	9.1 s
Direction	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW
Swell	2.2 ft · 8 s	2.0 ft · 9 s	2.1 ft · 8 s	2.0 ft · 10 s	2.0 ft · 9 s	2.0 ft · 9 s	1.9 ft · 9 s	1.9 ft · 9 s
Wind (mph)	7 NE	10 N	11 N	15 NNE	18 NNE	19 NNE	20 NNE	20 NNE

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	3.3 ft S	10 s	2.3 ft S
Tue 27	3.3 ft SSE	10 s	2.3 ft S
Mon 26	3.6 ft SE	9 s	2.3 ft SSE
Sun 25	3.9 ft SE	8 s	2.6 ft SSE
Sat 24	3.9 ft SE	9 s	2.6 ft S
Fri 23	3.6 ft SSE	9 s	3.0 ft S
Thu 22	4.3 ft SSE	11 s	3.3 ft S

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	3.9 ft S	12 s	2.3 ft S
Tue 20	3.0 ft SSE	12 s	2.3 ft SSE
Mon 19	3.0 ft SSE	10 s	2.3 ft SSE
Sun 18	3.0 ft SSE	10 s	2.3 ft SSW
Sat 17	3.3 ft SSE	10 s	2.6 ft SSE
Fri 16	3.3 ft SSE	10 s	3.0 ft SSE
Thu 15	3.0 ft SE	9 s	2.3 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 Monte VermelhoQuestions

How are the waves today in Monte Vermelho?

Slight (3.0 ft with a period of 10.1 s from the south-southwest). The highest wave to expect is around 5.9 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 3.1 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 5.9 ft.

More about Monte Vermelho today

Waves near Monte Vermelho

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 4.9 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 8:25 am (local time).

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