TidePlanet

Waves in Boca de Tomatlán

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 10:39 pm (CST)
Now · significant height 2.1 ft
Sea state
Slight · Douglas 3
Period
11.2 s · SW
Swell
1.6 ft · 7 s
Highest expected
4.2 ft

Today the sea at Boca de Tomatlán is slight: 2.1 ft waves with a period of 11.2 s from the southwest. The swell, 1.6 ft at 7 s, comes from the southwest. Biggest waves: Thursday 29, with waves up to 2.7 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 common1.1 ft
  • Significant2.1 ft
  • Highest expected4.2 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.2 ft. Before heading out, expect waves of up to 4.2 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 · 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 2.2 ft Slight SW 13 s 1.6 ft SW 3 mph ENE
Thu 29 2.7 ft Slight WSW 11 s 2.0 ft WSW 4 mph SE
Fri 30 2.6 ft Slight WSW 13 s 2.0 ft WSW 5 mph NNW
Sat 31 2.4 ft Slight WSW 14 s 2.2 ft WSW 4 mph N
Sun 1 2.4 ft Slight WSW 13 s 2.4 ft WSW 4 mph NNW
Mon 2 2.4 ft Slight WSW 12 s 2.2 ft WSW 5 mph NNW
Tue 3 2.2 ft Slight WSW 11 s 1.7 ft SW 4 mph N

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 1.7 ft1.7 ft1.7 ft1.7 ft1.9 ft1.9 ft2.0 ft2.1 ft
Period 12.6 s12.4 s12.4 s12.3 s12.0 s11.8 s11.7 s11.4 s
Direction WSWWSWWSWSWSWSWSWSW
Swell 1.4 ft · 13 s1.3 ft · 12 s1.2 ft · 14 s1.2 ft · 14 s1.2 ft · 14 s1.4 ft · 9 s1.5 ft · 8 s1.6 ft · 6 s
Wind (mph) 1 SE1 ESE1 ESE3 NE1 NNE2 ENE1 NNW1 ENE

Previous days

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

DayMax wavePeriodSwell
Tue 27 1.6 ft WSW13 s1.3 ft WSW
Mon 26 2.0 ft WSW12 s1.3 ft W
Sun 25 2.3 ft W10 s2.0 ft W
Sat 24 2.3 ft W11 s1.6 ft W
Fri 23 2.0 ft WSW12 s1.6 ft W
Thu 22 2.3 ft WSW12 s1.6 ft WSW
Wed 21 2.0 ft WSW12 s1.6 ft SW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 2.3 ft WSW12 s1.6 ft SW
Mon 19 2.6 ft SW11 s2.3 ft WSW
Sun 18 3.3 ft SW14 s3.3 ft SW
Sat 17 2.3 ft WSW13 s2.0 ft SW
Fri 16 2.3 ft WSW12 s1.6 ft WSW
Thu 15 3.0 ft WSW11 s2.0 ft WSW
Wed 14 3.0 ft WSW10 s2.3 ft WSW

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 Boca de TomatlánQuestions

How are the waves today in Boca de Tomatlán?

Slight (2.1 ft with a period of 11.2 s from the southwest). The highest wave to expect is around 4.2 ft.

Which day will have the biggest waves this week?

Thursday 29, with waves up to 2.7 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 4.2 ft.

More about Boca de Tomatlán today

Waves near Boca de Tomatlán

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 14 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 10:39 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.