TidePlanet

Waves in Tonalá

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 9:49 pm (CST)
Now · significant height 2.1 ft
Sea state
Slight · Douglas 3
Period
5.8 s · NNE
Swell
1.8 ft · 6 s
Highest expected
4.3 ft

Today the sea at Tonalá is slight: 2.1 ft waves with a period of 5.8 s from the north-northeast. The swell, 1.8 ft at 6 s, comes from the north-northeast.

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 expected4.3 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 4.3 ft. Before heading out, expect waves of up to 4.3 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 2.5 ft Slight NNE 7 s 2.4 ft NNE 9 mph NNE
Thu 29 2.0 ft Slight NNE 6 s 1.8 ft NNE 7 mph NNE
Fri 30 1.6 ft Smooth NNE 7 s 1.6 ft NNE 7 mph N
Sat 31 2.4 ft Slight N 6 s 1.6 ft NNE 10 mph NW
Sun 1 2.0 ft Slight N 5 s 1.5 ft NNE 11 mph NNW
Mon 2 1.8 ft Slight NNE 5 s 1.3 ft NNE 9 mph NNE
Tue 3 1.1 ft Smooth NNE 5 s 1.0 ft NNE 8 mph E

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 2.5 ft2.4 ft2.3 ft2.2 ft2.2 ft2.2 ft2.2 ft2.2 ft
Period 6.2 s6.3 s6.6 s6.7 s6.5 s5.7 s5.6 s5.8 s
Direction NNENNENNENNENNENNENNENNE
Swell 2.4 ft · 5 s2.4 ft · 5 s2.3 ft · 5 s2.2 ft · 6 s2.0 ft · 6 s1.8 ft · 6 s1.8 ft · 6 s1.8 ft · 6 s
Wind (mph) 4 E1 SSE1 SSW2 WNW7 NNW9 NNE9 N8 NNE

Previous days

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

DayMax wavePeriodSwell
Tue 27 3.0 ft N7 s2.3 ft NNE
Mon 26 3.0 ft NNE7 s3.0 ft NNE
Sun 25 2.6 ft NNE5 s2.3 ft NNE
Sat 24 3.0 ft NNE6 s2.6 ft NNE
Fri 23 3.3 ft N5 s3.0 ft N
Thu 22 5.6 ft N8 s3.9 ft NNE
Wed 21 5.2 ft NNW8 s3.9 ft NNW
Show all 14 days
DayMax wavePeriodSwell
Tue 20 7.5 ft NNW8 s4.6 ft NNW
Mon 19 9.8 ft NNW9 s5.9 ft NNE
Sun 18 16 ft NNW11 s8.2 ft N
Sat 17 18 ft NNW11 s2.6 ft N
Fri 16 2.3 ft NNE6 s1.6 ft NNE
Thu 15 2.0 ft NNE6 s2.0 ft NNE
Wed 14 2.0 ft NNE5 s1.6 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 TonaláQuestions

How are the waves today in Tonalá?

Slight (2.1 ft with a period of 5.8 s from the north-northeast). The highest wave to expect is around 4.3 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 2.5 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 4.3 ft.

More about Tonalá today

Waves near Tonalá

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 11 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 9:49 pm (local time).

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