TidePlanet

Waves in Santa Marinella

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 4:58 am (CET)
Now · significant height 0.6 ft
Sea state
Smooth · Douglas 2
Period
3.2 s · SE
Swell
0.5 ft · 3 s
Highest expected
1.2 ft

Today the sea at Santa Marinella is smooth: 0.6 ft waves with a period of 3.2 s from the southeast. The swell, 0.5 ft at 3 s, comes from the south-southeast. Biggest waves: Tuesday 3, with waves up to 3.3 ft (slight).

Wave height, next 7 days

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 common0.3 ft
  • Significant0.6 ft
  • Highest expected1.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.2 ft. Before heading out, expect waves of up to 1.2 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth · today 0.3 ft–1.6 ft
3 Slight · week peak 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 1.2 ft Smooth ESE 4 s 0.7 ft SSE 5 mph NNE
Fri 30 1.1 ft Smooth NNE 3 s 0.9 ft NE 6 mph NE
Sat 31 1.2 ft Smooth NE 3 s 0.3 ft E 8 mph NNE
Sun 1 2.7 ft Slight N 4 s 0.7 ft NW 18 mph NNE
Mon 2 3.2 ft Slight NNW 4 s 1.6 ft WNW 18 mph N
Tue 3 3.3 ft Slight N 4 s 1.6 ft NW 16 mph NNE
Wed 4 1.2 ft Smooth ENE 4 s 0.7 ft SE 10 mph NE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 0.7 ft0.7 ft0.5 ft0.5 ft0.4 ft0.3 ft0.5 ft1.0 ft
Period 3.5 s3.4 s3.1 s3.1 s3.1 s3.3 s2.8 s2.7 s
Direction SSESESESESSSWNWN
Swell 0.7 ft · 3 s0.5 ft · 3 s0.4 ft · 3 s0.3 ft · 3 s0.3 ft · 2 s0.2 ft · 2 s0.1 ft · 4 s0.3 ft · 4 s
Wind (mph) 5 NNE5 NNE5 NNE2 NNE2 SW4 SW2 N5 NE

Previous days

The waves over the last 14 days. Tap a day to see it hour by hour.

DayMax wavePeriodSwell
Wed 28 1.0 ft SW4 s0.7 ft SSW
Tue 27 1.0 ft WSW5 s0.7 ft WSW
Mon 26 2.6 ft WSW6 s2.6 ft WSW
Sun 25 3.6 ft WSW6 s3.0 ft WSW
Sat 24 4.6 ft WSW6 s4.3 ft WSW
Fri 23 3.9 ft SW7 s3.9 ft SW
Thu 22 6.6 ft WSW7 s6.2 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 6.9 ft SSW7 s5.9 ft SSW
Tue 20 6.6 ft S6 s4.9 ft SSW
Mon 19 2.6 ft S5 s2.3 ft S
Sun 18 3.0 ft SSE5 s2.6 ft S
Sat 17 1.3 ft S4 s1.3 ft W
Fri 16 1.3 ft WNW4 s1.3 ft WNW
Thu 15 0.7 ft W3 s0.3 ft WNW

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 Santa MarinellaQuestions

How are the waves today in Santa Marinella?

Smooth (0.6 ft with a period of 3.2 s from the southeast). The highest wave to expect is around 1.2 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 3.3 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 1.2 ft.

More about Santa Marinella today

Waves near Santa Marinella

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 1.2 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 4:58 am (local time).

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