TidePlanet

Waves in Barra de Potosí

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 7:11 pm (CST)
Now · significant height 4.7 ft
Sea state
Moderate · Douglas 4
Period
12.8 s · SSW
Swell
3.8 ft · 12 s
Highest expected
9.2 ft

Today the sea at Barra de Potosí is moderate: 4.7 ft waves with a period of 12.8 s from the south-southwest. The swell, 3.8 ft at 12 s, comes from the southwest. Biggest waves: Saturday 31, with waves up to 5.2 ft (moderate).

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 common2.3 ft
  • Significant4.7 ft
  • Highest expected9.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.2 ft. Before heading out, expect waves of up to 9.2 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 1.6 ft–4.1 ft
4 Moderate · today 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 4.7 ft Moderate SSW 13 s 3.9 ft SSW 7 mph NNW
Thu 29 4.7 ft Moderate SSW 13 s 4.6 ft SSW 7 mph NW
Fri 30 4.9 ft Moderate SSW 13 s 4.7 ft SSW 9 mph WNW
Sat 31 5.2 ft Moderate SW 14 s 5.1 ft SSW 8 mph W
Sun 1 5.2 ft Moderate SW 14 s 5.1 ft SSW 4 mph WNW
Mon 2 5.0 ft Moderate SSW 14 s 5.0 ft SSW 7 mph NW
Tue 3 4.5 ft Moderate SSW 13 s 4.3 ft SSW 7 mph W

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 4.7 ft4.7 ft4.5 ft4.5 ft4.5 ft4.6 ft4.7 ft4.7 ft
Period 11.4 s11.6 s11.8 s12.0 s12.2 s12.5 s12.8 s12.8 s
Direction SSWSSWSSWSSWSSWSSWSSWSSW
Swell 3.3 ft · 7 s3.2 ft · 7 s3.2 ft · 12 s3.2 ft · 12 s3.4 ft · 13 s3.5 ft · 13 s3.8 ft · 12 s3.9 ft · 12 s
Wind (mph) 4 ENE3 NE6 NE1 NNE6 WSW7 WSW3 W3 NE

Previous days

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

DayMax wavePeriodSwell
Tue 27 4.9 ft SSW11 s3.6 ft S
Mon 26 5.9 ft S10 s5.2 ft S
Sun 25 6.9 ft S10 s6.6 ft S
Sat 24 7.5 ft S11 s6.9 ft S
Fri 23 6.6 ft S12 s6.6 ft S
Thu 22 5.6 ft SSW13 s4.6 ft SSW
Wed 21 4.9 ft SSW13 s4.9 ft SSW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 5.2 ft SSW12 s4.9 ft SSW
Mon 19 6.9 ft SW13 s5.9 ft SSW
Sun 18 7.5 ft SSW14 s6.2 ft SSW
Sat 17 11 ft S12 s9.2 ft S
Fri 16 9.2 ft S11 s8.9 ft SSE
Thu 15 7.9 ft S13 s6.6 ft S
Wed 14 5.9 ft SSW13 s5.2 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 Barra de PotosíQuestions

How are the waves today in Barra de Potosí?

Moderate (4.7 ft with a period of 12.8 s from the south-southwest). The highest wave to expect is around 9.2 ft.

Which day will have the biggest waves this week?

Saturday 31, with waves up to 5.2 ft (moderate).

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 9.2 ft.

More about Barra de Potosí today

Waves near Barra de Potosí

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 1.2 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 7:11 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from

Settings

How numbers and colors show across the site.

Height and distance Tides, waves and distances
Temperature Air and water
Wind Speed and gusts
Time Tides, sun and moon
Pressure Air pressure
Theme Automatic: same as your system

Saved only in this browser.