TidePlanet

Waves in Port Clarence

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 6:00 pm (AKDT)
Now · significant height 3.5 ft
Sea state
Slight · Douglas 3
Period
5.1 s · SW
Swell
1.4 ft · 6 s
Highest expected
7.2 ft

Today the sea at Port Clarence is slight: 3.5 ft waves with a period of 5.1 s from the southwest. The swell, 1.4 ft at 6 s, comes from the south-southwest.

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 common1.7 ft
  • Significant3.5 ft
  • Highest expected7.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 7.2 ft. Before heading out, expect waves of up to 7.2 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 · 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 SSW 6 s 2.0 ft SSW 28 mph S
Thu 29 4.3 ft Moderate SSW 5 s 1.9 ft SW 27 mph SE
Fri 30 3.3 ft Slight N 5 s 1.5 ft W 23 mph N
Sat 31 3.5 ft Slight NW 5 s 1.5 ft WNW 25 mph NW
Sun 1 1.5 ft Smooth WSW 5 s 0.9 ft WSW 17 mph ESE
Mon 2 2.6 ft Slight E 4 s 0.9 ft S 24 mph E
Tue 3 3.1 ft Slight ESE 4 s 0.9 ft SSW 25 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 3.9 ft4.3 ft4.6 ft4.2 ft3.5 ft3.1 ft3.5 ft4.1 ft
Period 6.3 s5.9 s5.7 s5.8 s5.8 s5.7 s5.2 s5.0 s
Direction SSWSSSSSSWSWSW
Swell 1.7 ft · 11 s1.6 ft · 11 s1.6 ft · 9 s1.8 ft · 7 s2.0 ft · 6 s1.9 ft · 5 s1.4 ft · 6 s1.0 ft · 9 s
Wind (mph) 19 S24 SSE25 SSE23 SE21 SE15 W27 W27 SW

Previous days

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

DayMax wavePeriodSwell
Tue 27 5.2 ft S7 s1.6 ft SW
Mon 26 3.3 ft SSW7 s3.0 ft SSW
Sun 25 5.2 ft SSW6 s2.0 ft SSW
Sat 24 6.2 ft S6 s1.0 ft SW
Fri 23 6.6 ft SSE7 s2.6 ft SSW
Thu 22 3.9 ft SW5 s1.6 ft WSW
Wed 21 3.0 ft WSW4 s1.0 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 2.3 ft NW4 s1.3 ft WNW
Mon 19 3.0 ft SW6 s2.0 ft SSW
Sun 18 3.3 ft S5 s2.0 ft SSW
Sat 17 2.3 ft W5 s1.0 ft W
Fri 16 3.3 ft NW5 s1.3 ft WNW
Thu 15 2.3 ft N4 s1.0 ft NW
Wed 14 2.3 ft N4 s0.7 ft WNW

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 Port ClarenceQuestions

How are the waves today in Port Clarence?

Slight (3.5 ft with a period of 5.1 s from the southwest). The highest wave to expect is around 7.2 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 4.7 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 7.2 ft.

More about Port Clarence today

Waves near Port Clarence

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 2.2 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 6:00 pm (local time).

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