TidePlanet

Waves in Ninghai

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 7:31 am (GMT+8)
Now · significant height 1.1 ft
Sea state
Smooth · Douglas 2
Period
2.5 s · SW
Swell
0.1 ft · 3 s
Highest expected
2.5 ft

Today the sea at Ninghai is smooth: 1.1 ft waves with a period of 2.5 s from the southwest. The swell, 0.1 ft at 3 s, comes from the west. Biggest waves: Saturday 31, with waves up to 3.0 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 common0.6 ft
  • Significant1.1 ft
  • Highest expected2.5 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 2.5 ft. Before heading out, expect waves of up to 2.5 ft.

The Douglas sea state scale

DegreeNameWave height
0 Calm (glassy) 0
1 Calm (rippled) 0.0 ft–0.3 ft
2 Smooth · today 0.3 ft–1.6 ft
3 Slight · week peak 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 1.6 ft Smooth W 4 s 1.2 ft WNW 13 mph WSW
Fri 30 1.9 ft Slight NW 4 s 1.2 ft NW 14 mph W
Sat 31 3.0 ft Slight NNE 5 s 2.5 ft NNE 11 mph ENE
Sun 1 1.2 ft Smooth E 4 s 1.2 ft NE 12 mph SSW
Mon 2 1.2 ft Smooth N 4 s 1.2 ft NNE 10 mph WNW
Tue 3 2.1 ft Slight N 4 s 1.8 ft N 6 mph SSE
Wed 4 1.9 ft Slight NE 4 s 1.8 ft NNE 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 0.8 ft0.9 ft1.1 ft1.2 ft1.2 ft1.4 ft1.5 ft1.2 ft
Period 2.5 s2.3 s2.4 s2.5 s2.6 s3.0 s3.5 s3.6 s
Direction SSWSSWSWSWWSWWNWNWNW
Swell 0.3 ft · 4 s0.2 ft · 3 s0.1 ft · 3 s0.2 ft · 3 s0.3 ft · 2 s0.5 ft · 3 s1.0 ft · 4 s1.2 ft · 3 s
Wind (mph) 9 SSW10 SW11 SW10 SW13 WSW11 W6 WNW3 WSW

Previous days

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

DayMax wavePeriodSwell
Wed 28 2.6 ft NE5 s2.6 ft NNE
Tue 27 4.3 ft N5 s3.3 ft NNE
Mon 26 4.3 ft N5 s2.3 ft NNE
Sun 25 3.0 ft NNE5 s2.6 ft NE
Sat 24 0.7 ft NE4 s0.3 ft ENE
Fri 23 0.3 ft ENE3 s0.3 ft ENE
Thu 22 2.3 ft N5 s2.3 ft N
Show all 14 days
DayMax wavePeriodSwell
Wed 21 4.6 ft NNW5 s2.3 ft N
Tue 20 1.6 ft NNE4 s0.7 ft NNE
Mon 19 2.0 ft NNE4 s2.0 ft NNE
Sun 18 5.6 ft NW5 s3.0 ft N
Sat 17 2.6 ft ESE4 s1.3 ft ENE
Fri 16 1.6 ft NE4 s1.3 ft NNE
Thu 15 1.0 ft SW3 s0.3 ft W

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 NinghaiQuestions

How are the waves today in Ninghai?

Smooth (1.1 ft with a period of 2.5 s from the southwest). The highest wave to expect is around 2.5 ft.

Which day will have the biggest waves this week?

Saturday 31, with waves up to 3.0 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 2.5 ft.

More about Ninghai today

Waves near Ninghai

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 11 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 7:31 am (local time).

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