TidePlanet

Waves in San Lorenzo al Mare

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 6:53 am (CET)
Now · significant height 0.9 ft
Sea state
Smooth · Douglas 2
Period
4.6 s · SSW
Swell
0.7 ft · 5 s
Highest expected
1.8 ft

Today the sea at San Lorenzo al Mare is smooth: 0.9 ft waves with a period of 4.6 s from the south-southwest. The swell, 0.7 ft at 5 s, comes from the southwest. Biggest waves: Wednesday 4, with waves up to 3.4 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 common0.4 ft
  • Significant0.9 ft
  • Highest expected1.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.8 ft. Before heading out, expect waves of up to 1.8 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 0.9 ft Smooth S 5 s 0.7 ft SSW 5 mph NW
Fri 30 1.8 ft Slight E 4 s 1.0 ft ESE 10 mph NE
Sat 31 1.9 ft Slight E 4 s 1.2 ft E 10 mph NNE
Sun 1 3.2 ft Slight ESE 4 s 1.7 ft ESE 11 mph NNE
Mon 2 3.0 ft Slight ENE 4 s 1.4 ft E 14 mph N
Tue 3 3.1 ft Slight ENE 4 s 1.6 ft E 12 mph N
Wed 4 3.4 ft Slight ENE 4 s 1.5 ft ESE 10 mph NNW

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 ft0.8 ft0.9 ft0.8 ft0.7 ft0.7 ft0.6 ft
Period 4.9 s5.1 s4.8 s4.4 s4.0 s3.6 s3.3 s3.2 s
Direction SSSWSSWSSWSSWSSSESE
Swell 0.5 ft · 5 s0.7 ft · 5 s0.7 ft · 5 s0.7 ft · 4 s0.6 ft · 3 s0.5 ft · 3 s0.4 ft · 2 s0.5 ft · 2 s
Wind (mph) 3 NNW4 N4 NNW1 W2 S2 SSW1 NW4 NNW

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 SSE5 s0.7 ft SSE
Tue 27 1.3 ft S5 s1.0 ft SSW
Mon 26 4.3 ft SW7 s4.3 ft SW
Sun 25 4.6 ft SW7 s4.6 ft SW
Sat 24 5.2 ft SW7 s5.2 ft SW
Fri 23 3.9 ft SSW6 s3.9 ft SSW
Thu 22 7.9 ft SW8 s7.2 ft SW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 8.5 ft SSW7 s7.5 ft SSW
Tue 20 5.6 ft SE7 s3.6 ft SE
Mon 19 4.3 ft E5 s2.0 ft ESE
Sun 18 2.6 ft E7 s1.0 ft S
Sat 17 1.0 ft SW4 s1.0 ft SW
Fri 16 1.6 ft SW4 s1.6 ft SW
Thu 15 1.0 ft SW5 s1.0 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 San Lorenzo al MareQuestions

How are the waves today in San Lorenzo al Mare?

Smooth (0.9 ft with a period of 4.6 s from the south-southwest). The highest wave to expect is around 1.8 ft.

Which day will have the biggest waves this week?

Wednesday 4, with waves up to 3.4 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 1.8 ft.

More about San Lorenzo al Mare today

Waves near San Lorenzo al Mare

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 4.3 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 6:53 am (local time).

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