TidePlanet

Waves in Leap

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 4:12 am (GMT)
Now · significant height 6.2 ft
Sea state
Moderate · Douglas 4
Period
7.7 s · SW
Swell
5.5 ft · 7 s
Highest expected
13 ft
Waves up to 9.4 ft on Friday 30

Today the sea at Leap is moderate: 6.2 ft waves with a period of 7.7 s from the southwest. The swell, 5.5 ft at 7 s, comes from the west-southwest. Biggest waves: Friday 30, with waves up to 9.4 ft (rough).

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 common3.1 ft
  • Significant6.2 ft
  • Highest expected13 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 13 ft. Before heading out, expect waves of up to 13 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 1.6 ft–4.1 ft
4 Moderate · today 4.1 ft–8.2 ft
5 Rough · week peak 8.2 ft–13.1 ft
6 Very rough 13.1 ft–19.7 ft
7 High 19.7 ft–29.5 ft

Waves day by day

Day Max wave Sea state Direction Max period Swell Max wind
Today 8.9 ft Rough SSW 8 s 6.0 ft WSW 19 mph SSE
Fri 30 9.4 ft Rough SW 9 s 6.8 ft WSW 20 mph SSE
Sat 31 6.8 ft Moderate WSW 9 s 6.0 ft W 7 mph ESE
Sun 1 3.9 ft Slight W 9 s 3.2 ft W 9 mph NE
Mon 2 3.9 ft Slight E 6 s 2.6 ft ESE 11 mph ENE
Tue 3 3.8 ft Slight SSE 10 s 3.0 ft SSE 10 mph ENE
Wed 4 4.8 ft Moderate SSW 10 s 3.3 ft W 11 mph E

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 6.6 ft6.3 ft6.2 ft6.6 ft7.2 ft7.5 ft7.9 ft8.5 ft
Period 8.3 s7.8 s7.6 s7.1 s7.0 s7.1 s7.3 s7.5 s
Direction WSWSWSWSWSSWSSWSSWSSW
Swell 6.0 ft · 8 s5.5 ft · 7 s5.5 ft · 7 s5.1 ft · 7 s4.5 ft · 8 s4.5 ft · 8 s4.5 ft · 8 s4.4 ft · 8 s
Wind (mph) 13 S11 S12 S14 SSE17 SSE17 SSE16 SSE18 SSE

Previous days

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

DayMax wavePeriodSwell
Wed 28 11 ft WSW10 s9.2 ft WSW
Tue 27 15 ft WSW11 s12 ft SW
Mon 26 16 ft SW10 s6.2 ft WSW
Sun 25 16 ft W10 s8.2 ft WSW
Sat 24 16 ft WSW10 s5.9 ft WSW
Fri 23 11 ft WSW9 s7.9 ft WSW
Thu 22 9.2 ft SW9 s7.5 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 9.8 ft W9 s7.2 ft W
Tue 20 9.2 ft WSW10 s6.9 ft WSW
Mon 19 5.2 ft W10 s4.3 ft W
Sun 18 2.6 ft W8 s2.3 ft WSW
Sat 17 4.6 ft W10 s4.6 ft W
Fri 16 7.9 ft WSW10 s7.5 ft WSW
Thu 15 12 ft WSW11 s10 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 LeapQuestions

How are the waves today in Leap?

Moderate (6.2 ft with a period of 7.7 s from the southwest). The highest wave to expect is around 13 ft.

Which day will have the biggest waves this week?

Friday 30, with waves up to 9.4 ft (rough).

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 13 ft.

More about Leap today

Waves near Leap

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 8.6 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 4:12 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.