TidePlanet

Waves in Napasoq

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:33 am (GMT-2)
Now · significant height 2.3 ft
Sea state
Slight · Douglas 3
Period
7.1 s · WNW
Swell
2.1 ft · 6 s
Highest expected
4.8 ft

Today the sea at Napasoq is slight: 2.3 ft waves with a period of 7.1 s from the west-northwest. The swell, 2.1 ft at 6 s, comes from the west-northwest. Biggest waves: Tuesday 3, with waves up to 6.8 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 common1.2 ft
  • Significant2.3 ft
  • Highest expected4.8 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.8 ft. Before heading out, expect waves of up to 4.8 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 4.7 ft Moderate WNW 9 s 4.4 ft WNW 19 mph ENE
Fri 30 4.9 ft Moderate WNW 9 s 4.7 ft WNW 8 mph SE
Sat 31 3.0 ft Slight W 7 s 2.2 ft WSW 8 mph SE
Sun 1 2.5 ft Slight SW 7 s 2.5 ft WSW 11 mph ENE
Mon 2 2.8 ft Slight W 7 s 2.4 ft W 15 mph ENE
Tue 3 6.8 ft Moderate SSW 8 s 5.5 ft SSW 22 mph ESE
Wed 4 4.5 ft Moderate SW 8 s 3.8 ft S 8 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 2.3 ft2.8 ft3.5 ft4.3 ft4.5 ft4.7 ft4.5 ft4.5 ft
Period 7.1 s7.0 s6.5 s6.9 s7.8 s7.8 s8.3 s9.0 s
Direction WNWWNWNWNWWNWNWNWWNW
Swell 2.1 ft · 6 s2.4 ft · 6 s2.8 ft · 6 s3.4 ft · 7 s4.2 ft · 7 s4.0 ft · 7 s3.7 ft · 7 s4.1 ft · 7 s
Wind (mph) 4 ENE5 NE4 NE6 NE16 ENE18 ENE17 ENE10 ENE

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 WNW8 s2.3 ft WNW
Tue 27 3.6 ft SSW10 s3.3 ft S
Mon 26 2.0 ft SW8 s1.6 ft SW
Sun 25 2.6 ft WSW8 s2.6 ft SW
Sat 24 2.3 ft SW7 s2.0 ft WSW
Fri 23 3.6 ft WNW9 s3.6 ft NW
Thu 22 3.9 ft WNW9 s3.6 ft WNW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 3.3 ft W9 s2.6 ft WNW
Tue 20 3.6 ft W9 s2.6 ft WNW
Mon 19 4.6 ft W9 s3.6 ft W
Sun 18 8.9 ft NW7 s3.0 ft NW
Sat 17 11 ft WNW9 s4.9 ft W
Fri 16 3.6 ft S7 s3.6 ft SSW
Thu 15 3.0 ft SW8 s2.6 ft SW

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 NapasoqQuestions

How are the waves today in Napasoq?

Slight (2.3 ft with a period of 7.1 s from the west-northwest). The highest wave to expect is around 4.8 ft.

Which day will have the biggest waves this week?

Tuesday 3, with waves up to 6.8 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 4.8 ft.

More about Napasoq today

Waves near Napasoq

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 0.9 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 12:33 am (local time).

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