TidePlanet

Waves in Westport

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 1:48 am (GMT-2:30)
Now · significant height 0.9 ft
Sea state
Smooth · Douglas 2
Period
4.5 s · WNW
Swell
0.4 ft · 10 s
Highest expected
1.9 ft

Today the sea at Westport is smooth: 0.9 ft waves with a period of 4.5 s from the west-northwest. The swell, 0.4 ft at 10 s, comes from the north-northeast. Biggest waves: Friday 30, with waves up to 1.6 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 common0.5 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 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 1.0 ft Smooth WNW 6 s 0.5 ft NE 14 mph WSW
Fri 30 1.6 ft Smooth SW 9 s 0.7 ft NNE 16 mph SW
Sat 31 1.4 ft Smooth NE 11 s 1.1 ft NNE 11 mph NNE
Sun 1 1.1 ft Smooth NNE 6 s 0.9 ft NE 17 mph WNW
Mon 2 1.6 ft Smooth WSW 5 s 0.9 ft NNE 15 mph SW
Tue 3 1.4 ft Smooth N 9 s 1.0 ft NNE 12 mph WNW
Wed 4 0.7 ft Smooth NE 9 s 0.4 ft NE 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 0.9 ft0.8 ft0.7 ft0.7 ft0.9 ft1.0 ft0.9 ft0.9 ft
Period 4.4 s5.1 s6.0 s5.5 s4.3 s4.1 s5.0 s5.5 s
Direction NWNWNNNEWNWWWWSW
Swell 0.4 ft · 9 s0.4 ft · 10 s0.4 ft · 10 s0.4 ft · 10 s0.4 ft · 11 s0.5 ft · 11 s0.5 ft · 10 s0.5 ft · 10 s
Wind (mph) 13 W12 W11 W11 WSW13 WSW14 WSW13 WSW11 SW

Previous days

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

DayMax wavePeriodSwell
Wed 28 2.0 ft NW5 s1.0 ft NNW
Tue 27 2.0 ft NW4 s0.7 ft N
Mon 26 1.3 ft SW3 s0.3 ft NE
Sun 25 1.3 ft NE9 s0.7 ft NE
Sat 24 3.3 ft NE9 s2.0 ft NE
Fri 23 4.6 ft NNE5 s1.6 ft NNE
Thu 22 1.0 ft ENE7 s0.3 ft NE
Show all 14 days
DayMax wavePeriodSwell
Wed 21 0.7 ft NNE6 s0.7 ft NNE
Tue 20 1.3 ft SW4 s0.7 ft N
Mon 19 1.6 ft SSW7 s0.3 ft NE
Sun 18 1.3 ft NW5 s0.3 ft NNE
Sat 17 1.6 ft NW10 s0.7 ft NE
Fri 16 2.3 ft N9 s1.3 ft NNE
Thu 15 2.3 ft NNE9 s1.3 ft NNE

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 WestportQuestions

How are the waves today in Westport?

Smooth (0.9 ft with a period of 4.5 s from the west-northwest). The highest wave to expect is around 1.9 ft.

Which day will have the biggest waves this week?

Friday 30, with waves up to 1.6 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 1.9 ft.

More about Westport today

Waves near Westport

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 6.3 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 1:48 am (local time).

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