TidePlanet

Waves in Cherthala

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 9:36 am (GMT+5:30)
Now · significant height 2.1 ft
Sea state
Slight · Douglas 3
Period
8.2 s · S
Swell
1.8 ft · 8 s
Highest expected
4.2 ft

Today the sea at Cherthala is slight: 2.1 ft waves with a period of 8.2 s from the south. The swell, 1.8 ft at 8 s, comes from the south. Biggest waves: Tuesday 3, with waves up to 2.3 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 common1.0 ft
  • Significant2.1 ft
  • Highest expected4.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.2 ft. Before heading out, expect waves of up to 4.2 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 2.2 ft Slight SSW 9 s 1.9 ft S 6 mph SE
Fri 30 2.2 ft Slight S 10 s 1.8 ft S 7 mph N
Sat 31 2.1 ft Slight S 10 s 1.7 ft S 8 mph NNW
Sun 1 2.0 ft Slight SSW 10 s 1.6 ft S 5 mph NNE
Mon 2 1.7 ft Slight S 10 s 1.6 ft S 7 mph N
Tue 3 2.3 ft Slight S 10 s 2.1 ft S 7 mph NNW
Wed 4 2.3 ft Slight S 10 s 2.1 ft S 7 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 2.2 ft2.2 ft2.2 ft2.1 ft2.1 ft2.1 ft2.1 ft2.1 ft
Period 7.6 s7.8 s8.0 s8.2 s8.3 s8.5 s8.6 s8.7 s
Direction SSWSSWSSWSSWSSSS
Swell 1.6 ft · 8 s1.6 ft · 8 s1.8 ft · 8 s1.8 ft · 8 s1.8 ft · 8 s1.8 ft · 7 s1.9 ft · 7 s1.9 ft · 7 s
Wind (mph) 3 ENE4 E5 E3 E4 WSW6 WSW3 W0 W

Previous days

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

DayMax wavePeriodSwell
Wed 28 2.3 ft SSW8 s2.0 ft S
Tue 27 3.0 ft SSW9 s2.3 ft S
Mon 26 3.3 ft SSW9 s2.6 ft S
Sun 25 3.9 ft SSW9 s3.3 ft SW
Sat 24 4.3 ft SSW10 s3.3 ft SW
Fri 23 3.3 ft SSW10 s2.3 ft S
Thu 22 3.3 ft SSW10 s2.6 ft S
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.6 ft SSW11 s3.0 ft S
Tue 20 3.3 ft SSW11 s3.0 ft S
Mon 19 3.0 ft SSW10 s2.6 ft S
Sun 18 3.3 ft SSW10 s2.6 ft S
Sat 17 3.0 ft SSW10 s2.6 ft S
Fri 16 3.0 ft S12 s2.6 ft S
Thu 15 3.3 ft S12 s3.0 ft S

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 CherthalaQuestions

How are the waves today in Cherthala?

Slight (2.1 ft with a period of 8.2 s from the south). The highest wave to expect is around 4.2 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 2.3 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 4.2 ft.

More about Cherthala today

Waves near Cherthala

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 3.4 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 9:36 am (local time).

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