TidePlanet

Waves in Apia

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 11:48 am (GMT+13)
Now · significant height 4.9 ft
Sea state
Moderate · Douglas 4
Period
6.9 s · E
Swell
3.8 ft · 6 s
Highest expected
9.9 ft

Today the sea at Apia is moderate: 4.9 ft waves with a period of 6.9 s from the east. The swell, 3.8 ft at 6 s, comes from the east-northeast.

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 common2.4 ft
  • Significant4.9 ft
  • Highest expected9.9 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.9 ft. Before heading out, expect waves of up to 9.9 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 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 5.3 ft Moderate ENE 7 s 4.7 ft ENE 13 mph ESE
Fri 30 4.3 ft Moderate ENE 8 s 3.8 ft ENE 11 mph ESE
Sat 31 4.1 ft Moderate ENE 9 s 3.6 ft ENE 11 mph ESE
Sun 1 4.7 ft Moderate ENE 8 s 3.6 ft E 12 mph ESE
Mon 2 5.0 ft Moderate E 7 s 3.5 ft E 15 mph ESE
Tue 3 5.0 ft Moderate E 7 s 4.2 ft E 12 mph ESE
Wed 4 5.2 ft Moderate E 8 s 4.3 ft E 12 mph ESE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 5.3 ft5.1 ft4.9 ft4.8 ft4.9 ft4.8 ft4.5 ft4.3 ft
Period 7.1 s7.2 s7.1 s7.1 s6.9 s6.9 s7.1 s7.4 s
Direction EENEENEEEENEENEENE
Swell 4.7 ft · 6 s4.6 ft · 6 s4.3 ft · 6 s4.1 ft · 6 s3.7 ft · 6 s3.8 ft · 6 s3.9 ft · 6 s3.9 ft · 6 s
Wind (mph) 8 ESE7 ESE9 ESE11 ESE13 SE13 SE9 ESE7 E

Previous days

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

DayMax wavePeriodSwell
Wed 28 5.9 ft E7 s5.2 ft ENE
Tue 27 5.9 ft E8 s5.2 ft ENE
Mon 26 6.6 ft E8 s5.9 ft E
Sun 25 6.6 ft E7 s4.3 ft E
Sat 24 6.2 ft E7 s3.3 ft E
Fri 23 5.6 ft E7 s4.6 ft E
Thu 22 5.2 ft E7 s3.9 ft E
Show all 14 days
DayMax wavePeriodSwell
Wed 21 4.9 ft E7 s3.6 ft E
Tue 20 4.3 ft E8 s3.3 ft E
Mon 19 5.2 ft E9 s3.9 ft E
Sun 18 5.6 ft ENE10 s4.9 ft E
Sat 17 5.9 ft ENE9 s5.2 ft E
Fri 16 6.2 ft ENE9 s5.6 ft E
Thu 15 6.6 ft E8 s5.2 ft E

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 ApiaQuestions

How are the waves today in Apia?

Moderate (4.9 ft with a period of 6.9 s from the east). The highest wave to expect is around 9.9 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 5.3 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 9.9 ft.

More about Apia today

Waves near Apia

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 13 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 11:48 am (local time).

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