TidePlanet

Waves in Smith Island

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 10:04 pm (EDT)
Now · significant height 0.5 ft
Sea state
Smooth · Douglas 2
Period
2.1 s · ESE
Swell
0.3 ft · 2 s
Highest expected
1.0 ft

Today the sea at Smith Island is smooth: 0.5 ft waves with a period of 2.1 s from the east-southeast. The swell, 0.3 ft at 2 s, comes from the east-southeast. Biggest waves: Saturday 31, with waves up to 1.2 ft (smooth).

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 common0.2 ft
  • Significant0.5 ft
  • Highest expected1.0 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 1.0 ft. Before heading out, expect waves of up to 1.0 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 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 0.7 ft Smooth ENE 2 s 0.5 ft E 11 mph ENE
Thu 29 0.5 ft Smooth SE 4 s 0.4 ft SE 8 mph SE
Fri 30 1.0 ft Smooth WNW 2 s 0.5 ft WSW 11 mph WNW
Sat 31 1.2 ft Smooth N 3 s 0.6 ft NNW 13 mph NNE
Sun 1 1.0 ft Smooth SSE 3 s 0.3 ft SE 7 mph ESE
Mon 2 1.1 ft Smooth S 3 s 0.5 ft S 7 mph SE
Tue 3 1.0 ft Smooth S 3 s 0.7 ft S 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 0.7 ft0.7 ft0.7 ft0.7 ft0.5 ft0.3 ft0.2 ft0.4 ft
Period 2.3 s2.2 s2.0 s2.1 s2.1 s2.1 s2.1 s2.0 s
Direction EEENEENENENEENEESE
Swell 0.2 ft · 2 s0.3 ft · 2 s0.3 ft · 2 s0.3 ft · 2 s0.3 ft · 2 s0.3 ft · 2 s0.1 ft · 2 s0.2 ft · 2 s
Wind (mph) 7 ENE9 ENE10 ENE7 NE8 ENE5 WNW2 NNW6 E

Previous days

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

DayMax wavePeriodSwell
Tue 27 1.0 ft N3 s0.3 ft NNW
Mon 26 0.0 ft SE4 s0.0 ft SE
Sun 25 1.0 ft ENE3 s0.3 ft E
Sat 24 1.0 ft ENE3 s0.3 ft ENE
Fri 23 1.6 ft NNE3 s0.3 ft NNW
Thu 22 1.6 ft NNW3 s0.3 ft NW
Wed 21 2.0 ft N3 s0.3 ft NW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 2.3 ft N3 s0.7 ft NW
Mon 19 1.6 ft NNE3 s0.3 ft NW
Sun 18 3.0 ft NNE4 s0.3 ft NNW
Sat 17 3.6 ft N4 s1.6 ft SW
Fri 16 2.6 ft S4 s2.0 ft SSE
Thu 15 1.3 ft NE3 s0.7 ft NE
Wed 14 1.3 ft SSW3 s1.0 ft S

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 Smith IslandQuestions

How are the waves today in Smith Island?

Smooth (0.5 ft with a period of 2.1 s from the east-southeast). The highest wave to expect is around 1.0 ft.

Which day will have the biggest waves this week?

Saturday 31, with waves up to 1.2 ft (smooth).

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 1.0 ft.

More about Smith Island today

Waves near Smith Island

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 4.2 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 10:04 pm (local time).

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