TidePlanet

Waves in South Duxbury

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 7:03 pm (EDT)
Now · significant height 0.9 ft
Sea state
Smooth · Douglas 2
Period
4.6 s · NE
Swell
0.9 ft · 4 s
Highest expected
1.9 ft

Today the sea at South Duxbury is smooth: 0.9 ft waves with a period of 4.6 s from the northeast. The swell, 0.9 ft at 4 s, comes from the northeast. Biggest waves: Saturday 31, with waves up to 2.6 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 common0.5 ft
  • Significant0.9 ft
  • Highest expected1.9 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.9 ft. Before heading out, expect waves of up to 1.9 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 1.3 ft Smooth NE 5 s 1.1 ft NE 6 mph WSW
Thu 29 1.2 ft Smooth SSE 5 s 0.6 ft ENE 12 mph SW
Fri 30 2.2 ft Slight W 4 s 0.8 ft NE 10 mph W
Sat 31 2.6 ft Slight N 4 s 1.6 ft N 11 mph NNW
Sun 1 1.3 ft Smooth NE 4 s 1.2 ft NNE 6 mph WSW
Mon 2 0.5 ft Smooth E 10 s 0.3 ft E 7 mph WSW
Tue 3 0.6 ft Smooth E 10 s 0.3 ft E 9 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 1.3 ft1.1 ft1.0 ft1.0 ft1.1 ft1.1 ft1.0 ft0.9 ft
Period 5.3 s5.2 s5.0 s4.6 s4.5 s4.6 s4.6 s4.6 s
Direction NENENENENENENENE
Swell 1.1 ft · 4 s0.9 ft · 4 s0.9 ft · 3 s1.0 ft · 3 s1.0 ft · 3 s1.0 ft · 3 s0.9 ft · 3 s0.8 ft · 3 s
Wind (mph) 3 WNW4 W5 W3 W3 E5 SW4 W6 SW

Previous days

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

DayMax wavePeriodSwell
Tue 27 2.6 ft NNE5 s2.3 ft NE
Mon 26 1.3 ft ENE10 s1.0 ft ENE
Sun 25 2.0 ft ENE11 s1.6 ft ENE
Sat 24 3.3 ft ENE9 s3.0 ft ENE
Fri 23 5.2 ft NE8 s4.3 ft NE
Thu 22 5.6 ft NE7 s3.3 ft ENE
Wed 21 5.2 ft NE6 s2.3 ft ENE
Show all 14 days
DayMax wavePeriodSwell
Tue 20 3.9 ft NE5 s2.0 ft ENE
Mon 19 2.0 ft E5 s1.0 ft E
Sun 18 3.0 ft NNE5 s2.3 ft NE
Sat 17 3.3 ft N5 s2.0 ft NNE
Fri 16 1.6 ft SSE5 s1.0 ft ESE
Thu 15 3.0 ft N5 s2.0 ft NNE
Wed 14 2.3 ft NE6 s2.3 ft ENE

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 South DuxburyQuestions

How are the waves today in South Duxbury?

Smooth (0.9 ft with a period of 4.6 s from the northeast). The highest wave to expect is around 1.9 ft.

Which day will have the biggest waves this week?

Saturday 31, with waves up to 2.6 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 1.9 ft.

More about South Duxbury today

Waves near South Duxbury

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 7.4 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 7:03 pm (local time).

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