TidePlanet

Waves in Guanabo

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 7:35 pm (GMT-4)
Now · significant height 4.1 ft
Sea state
Moderate · Douglas 4
Period
6.5 s · NNW
Swell
3.8 ft · 6 s
Highest expected
8.5 ft

Today the sea at Guanabo is moderate: 4.1 ft waves with a period of 6.5 s from the north-northwest. The swell, 3.8 ft at 6 s, comes from the north-northwest.

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 common2.1 ft
  • Significant4.1 ft
  • Highest expected8.5 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 8.5 ft. Before heading out, expect waves of up to 8.5 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 5.6 ft Moderate N 7 s 4.1 ft NNW 9 mph N
Thu 29 3.7 ft Slight NNW 6 s 3.5 ft NNW 6 mph NE
Fri 30 2.8 ft Slight N 6 s 2.3 ft NNW 5 mph ENE
Sat 31 2.6 ft Slight NNE 5 s 1.7 ft NNW 6 mph E
Sun 1 1.8 ft Slight NNE 5 s 1.5 ft N 7 mph ENE
Mon 2 2.1 ft Slight NE 5 s 2.0 ft NE 6 mph NNE
Tue 3 2.0 ft Slight NE 5 s 2.0 ft NE 7 mph NNE

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 5.6 ft5.5 ft5.3 ft5.1 ft4.8 ft4.6 ft4.3 ft4.0 ft
Period 6.3 s6.4 s6.4 s6.3 s6.4 s6.5 s6.5 s6.5 s
Direction NNNNNNNNNW
Swell 3.9 ft · 6 s4.0 ft · 6 s4.0 ft · 5 s4.0 ft · 5 s3.9 ft · 6 s3.9 ft · 6 s3.9 ft · 6 s3.7 ft · 5 s
Wind (mph) 9 N5 N5 NNW5 NNW6 N6 N4 NNE3 ENE

Previous days

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

DayMax wavePeriodSwell
Tue 27 8.9 ft NNE8 s5.2 ft ENE
Mon 26 8.9 ft NNE7 s4.9 ft NNW
Sun 25 5.9 ft N6 s3.9 ft N
Sat 24 4.9 ft NNE7 s3.6 ft NE
Fri 23 3.9 ft NNE7 s3.0 ft N
Thu 22 3.0 ft NNE6 s2.3 ft N
Wed 21 4.3 ft NE6 s3.0 ft ENE
Show all 14 days
DayMax wavePeriodSwell
Tue 20 6.6 ft NE7 s4.3 ft ENE
Mon 19 6.6 ft NE8 s5.6 ft NE
Sun 18 6.6 ft N10 s4.9 ft NNW
Sat 17 1.6 ft ENE5 s1.3 ft ENE
Fri 16 2.3 ft ENE5 s2.0 ft ENE
Thu 15 3.9 ft ENE6 s3.3 ft ENE
Wed 14 3.3 ft NE5 s2.3 ft ENE

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 GuanaboQuestions

How are the waves today in Guanabo?

Moderate (4.1 ft with a period of 6.5 s from the north-northwest). The highest wave to expect is around 8.5 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 5.6 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 8.5 ft.

More about Guanabo today

Waves near Guanabo

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 8.6 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 7:35 pm (local time).

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