TidePlanet

Waves in Saint Leonards-on-Sea

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 10:27 am (GMT)
Now · significant height 1.7 ft
Sea state
Slight · Douglas 3
Period
8.6 s · WSW
Swell
1.7 ft · 7 s
Highest expected
3.5 ft

Today the sea at Saint Leonards-on-Sea is slight: 1.7 ft waves with a period of 8.6 s from the west-southwest. The swell, 1.7 ft at 7 s, comes from the west-southwest. Biggest waves: Tuesday 3, with waves up to 3.5 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 common0.9 ft
  • Significant1.7 ft
  • Highest expected3.5 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 3.5 ft. Before heading out, expect waves of up to 3.5 ft.

The Douglas sea state scale

DegreeNameWave 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 2.6 ft Slight WSW 9 s 2.3 ft WSW 9 mph E
Fri 30 2.3 ft Slight ESE 5 s 1.1 ft SSW 15 mph ENE
Sat 31 2.3 ft Slight ESE 7 s 1.4 ft SSE 12 mph ENE
Sun 1 2.0 ft Slight NNE 7 s 1.2 ft SSW 6 mph NNE
Mon 2 3.4 ft Slight NE 5 s 2.1 ft ENE 13 mph NNE
Tue 3 3.5 ft Slight NE 5 s 1.9 ft ENE 16 mph NE
Wed 4 3.0 ft Slight ENE 4 s 1.2 ft E 14 mph ENE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 2.6 ft2.4 ft2.0 ft1.8 ft1.6 ft1.5 ft1.4 ft1.4 ft
Period 7.7 s8.1 s8.5 s8.6 s8.7 s8.7 s8.6 s6.6 s
Direction WSWWSWWSWWSWWSWWSWWSWSW
Swell 2.0 ft · 6 s2.3 ft · 7 s2.0 ft · 7 s1.8 ft · 7 s1.6 ft · 7 s1.5 ft · 7 s1.4 ft · 7 s1.2 ft · 7 s
Wind (mph) 4 NW2 NW3 SE1 NE5 E3 ESE4 E6 E

Previous days

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

DayMax wavePeriodSwell
Wed 28 4.6 ft WSW8 s3.6 ft WSW
Tue 27 7.5 ft SW8 s3.6 ft SW
Mon 26 6.6 ft SW7 s4.3 ft WSW
Sun 25 11 ft WSW8 s4.3 ft SW
Sat 24 12 ft SW8 s4.6 ft SW
Fri 23 12 ft SSW10 s6.9 ft WSW
Thu 22 7.9 ft SW7 s4.6 ft SW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 8.9 ft SW8 s3.6 ft SSW
Tue 20 3.6 ft ESE5 s2.0 ft SE
Mon 19 2.0 ft E4 s0.7 ft ESE
Sun 18 3.0 ft NE5 s2.0 ft ENE
Sat 17 3.3 ft N6 s1.6 ft NE
Fri 16 3.3 ft WSW8 s2.6 ft WSW
Thu 15 3.0 ft SW7 s1.6 ft WSW

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 Saint Leonards-on-SeaQuestions

How are the waves today in Saint Leonards-on-Sea?

Slight (1.7 ft with a period of 8.6 s from the west-southwest). The highest wave to expect is around 3.5 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 3.5 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 3.5 ft.

More about Saint Leonards-on-Sea today

Waves near Saint Leonards-on-Sea

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 4.4 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 10:27 am (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from

Settings

How numbers and colors show across the site.

Height and distance Tides, waves and distances
Temperature Air and water
Wind Speed and gusts
Time Tides, sun and moon
Pressure Air pressure
Theme Automatic: same as your system

Saved only in this browser.