TidePlanet

Waves in St. Alban's

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 12:54 am (GMT-2:30)
Now · significant height 2.1 ft
Sea state
Slight · Douglas 3
Period
5.1 s · WSW
Swell
1.2 ft · 5 s
Highest expected
4.4 ft

Today the sea at St. Alban's is slight: 2.1 ft waves with a period of 5.1 s from the west-southwest. The swell, 1.2 ft at 5 s, comes from the west-southwest. Biggest waves: Monday 2, with waves up to 3.8 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 common1.0 ft
  • Significant2.1 ft
  • Highest expected4.4 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.4 ft. Before heading out, expect waves of up to 4.4 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 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 2.3 ft Slight WSW 5 s 1.6 ft SW 13 mph WSW
Fri 30 3.0 ft Slight SW 6 s 2.4 ft SW 14 mph SW
Sat 31 1.7 ft Slight SW 6 s 1.6 ft SW 13 mph N
Sun 1 1.7 ft Slight W 5 s 1.4 ft SW 14 mph WNW
Mon 2 3.8 ft Slight SW 6 s 2.3 ft SW 20 mph WSW
Tue 3 2.3 ft Slight SW 7 s 2.0 ft SW 13 mph WNW
Wed 4 2.1 ft Slight SSW 6 s 0.8 ft SW 16 mph SSE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 2.0 ft2.0 ft2.0 ft1.8 ft2.0 ft2.2 ft2.2 ft1.9 ft
Period 5.1 s5.3 s5.0 s5.0 s4.4 s4.1 s4.3 s4.5 s
Direction WSWWSWWSWWSWWSWWSWSWSW
Swell 1.2 ft · 5 s1.2 ft · 5 s1.2 ft · 5 s1.4 ft · 5 s1.2 ft · 5 s1.0 ft · 5 s1.2 ft · 5 s1.4 ft · 5 s
Wind (mph) 12 W11 W10 WSW11 W13 WSW12 WSW11 SW12 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 W5 s1.3 ft WSW
Tue 27 1.6 ft WSW5 s1.3 ft SW
Mon 26 1.6 ft SW4 s1.3 ft SW
Sun 25 1.0 ft SW7 s0.7 ft SW
Sat 24 2.3 ft NNE6 s1.0 ft SSW
Fri 23 3.0 ft NNE9 s1.0 ft SSW
Thu 22 0.7 ft SSW9 s0.3 ft SSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 0.7 ft SW5 s0.7 ft SSW
Tue 20 2.0 ft SW5 s1.3 ft SW
Mon 19 2.3 ft SW7 s1.3 ft SW
Sun 18 2.6 ft SW7 s2.0 ft SW
Sat 17 3.6 ft SW7 s2.3 ft SW
Fri 16 2.6 ft W6 s1.6 ft SW
Thu 15 3.3 ft SSW6 s2.3 ft SSW

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 St. Alban'sQuestions

How are the waves today in St. Alban's?

Slight (2.1 ft with a period of 5.1 s from the west-southwest). The highest wave to expect is around 4.4 ft.

Which day will have the biggest waves this week?

Monday 2, with waves up to 3.8 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 4.4 ft.

More about St. Alban's today

Waves near St. Alban's

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 12 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 12:54 am (local time).

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