TidePlanet

Waves in Old Perlican

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 3:36 am (GMT-2:30)
Now · significant height 3.8 ft
Sea state
Slight · Douglas 3
Period
8.7 s · NNW
Swell
3.1 ft · 10 s
Highest expected
7.7 ft

Today the sea at Old Perlican is slight: 3.8 ft waves with a period of 8.7 s from the north-northwest. The swell, 3.1 ft at 10 s, comes from the north-northeast. Biggest waves: Sunday 1, with waves up to 6.0 ft (moderate).

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 common1.9 ft
  • Significant3.8 ft
  • Highest expected7.7 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 7.7 ft. Before heading out, expect waves of up to 7.7 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 · week peak 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 3.9 ft Slight NNW 9 s 3.3 ft NNE 16 mph W
Fri 30 3.6 ft Slight WNW 9 s 2.2 ft NNE 19 mph SW
Sat 31 4.8 ft Moderate NNE 11 s 2.1 ft NNE 23 mph N
Sun 1 6.0 ft Moderate N 8 s 3.8 ft NNE 25 mph NW
Mon 2 3.9 ft Slight NW 8 s 2.8 ft NNE 22 mph WSW
Tue 3 3.2 ft Slight NNW 8 s 1.8 ft N 17 mph WNW
Wed 4 2.1 ft Slight NNE 8 s 1.8 ft N 16 mph S

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 3.9 ft3.8 ft3.7 ft3.5 ft3.3 ft3.1 ft3.0 ft3.0 ft
Period 9.5 s8.9 s8.3 s7.8 s7.6 s7.7 s8.2 s8.2 s
Direction NNNNWNNWNNWNNWNNWNNW
Swell 3.3 ft · 10 s3.1 ft · 10 s2.8 ft · 10 s2.6 ft · 9 s2.2 ft · 9 s2.0 ft · 10 s2.0 ft · 9 s1.9 ft · 8 s
Wind (mph) 12 W15 WSW15 W15 W15 W16 W10 WSW11 WSW

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 NNW10 s3.6 ft N
Tue 27 3.3 ft WNW5 s2.0 ft NNE
Mon 26 3.0 ft W6 s2.0 ft NNE
Sun 25 4.3 ft NNE8 s3.6 ft NNE
Sat 24 7.5 ft NNE8 s4.6 ft NNE
Fri 23 7.9 ft NNE7 s2.6 ft N
Thu 22 2.0 ft NNE9 s1.6 ft NNE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.0 ft NNE7 s2.0 ft NNE
Tue 20 3.0 ft W7 s1.6 ft N
Mon 19 3.3 ft NW8 s2.0 ft N
Sun 18 3.6 ft WNW7 s1.6 ft NNE
Sat 17 5.2 ft W12 s4.3 ft NNE
Fri 16 7.5 ft NNW10 s5.2 ft NNE
Thu 15 4.9 ft SE9 s2.6 ft NE

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 Old PerlicanQuestions

How are the waves today in Old Perlican?

Slight (3.8 ft with a period of 8.7 s from the north-northwest). The highest wave to expect is around 7.7 ft.

Which day will have the biggest waves this week?

Sunday 1, with waves up to 6.0 ft (moderate).

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 7.7 ft.

More about Old Perlican today

Waves near Old Perlican

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 3.5 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 3:36 am (local time).

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