Waves in Mayport

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 7:37 pm (EDT)

Now · significant height 5.5 ft

Sea state: Moderate · Douglas 4
Period: 7.7 s · ENE
Swell: 4.7 ft · 8 s
Highest expected: 11 ft

Today the sea at Mayport is moderate: 5.5 ft waves with a period of 7.7 s from the east-northeast. The swell, 4.7 ft at 8 s, comes from the east.

Wave height, next 7 days

2.04.06.0 ft 6.0 ft Now

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 common2.8 ft
Significant5.5 ft
Highest expected11 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 11 ft. Before heading out, expect waves of up to 11 ft.

The Douglas sea state scale

Degree	Name	Wave 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	6.0 ft	Moderate	ENE	8 s	5.4 ft E	19 mph NNE
Thu 29	5.4 ft	Moderate	ENE	8 s	4.8 ft E	18 mph NNE
Fri 30	4.9 ft	Moderate	ENE	7 s	3.9 ft ENE	15 mph NNE
Sat 31	4.4 ft	Moderate	ENE	6 s	3.9 ft E	14 mph ENE
Sun 1	4.7 ft	Moderate	E	7 s	4.2 ft E	15 mph ENE
Mon 2	4.8 ft	Moderate	E	7 s	4.5 ft E	15 mph NE
Tue 3	4.7 ft	Moderate	E	7 s	4.3 ft E	14 mph NNE

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Waves	6.0 ft	5.9 ft	5.8 ft	5.8 ft	5.9 ft	5.8 ft	5.6 ft	5.4 ft
Period	7.6 s	7.9 s	8.1 s	8.1 s	7.8 s	7.8 s	7.7 s	7.7 s
Direction	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Swell	4.3 ft · 8 s	4.7 ft · 8 s	5.2 ft · 8 s	5.2 ft · 7 s	4.9 ft · 8 s	4.9 ft · 8 s	4.7 ft · 8 s	4.7 ft · 7 s
Wind (mph)	14 NNE	15 NNE	11 NNE	13 NNE	19 NNE	16 NNE	16 NNE	14 NE

Previous days

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

Day	Max wave	Period	Swell
Tue 27	5.9 ft ENE	8 s	4.3 ft E
Mon 26	6.9 ft ENE	8 s	4.3 ft E
Sun 25	7.2 ft NE	8 s	4.3 ft ENE
Sat 24	6.9 ft NE	8 s	3.0 ft ENE
Fri 23	3.6 ft NE	8 s	2.3 ft ENE
Thu 22	3.6 ft ENE	9 s	3.3 ft ENE
Wed 21	3.9 ft ENE	8 s	2.6 ft ENE

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	5.2 ft ENE	10 s	4.9 ft ENE
Mon 19	6.9 ft NE	10 s	4.6 ft ENE
Sun 18	6.9 ft NE	8 s	3.6 ft ENE
Sat 17	4.6 ft NNE	6 s	1.0 ft E
Fri 16	1.3 ft E	8 s	1.0 ft E
Thu 15	1.6 ft E	9 s	1.3 ft E
Wed 14	2.0 ft E	10 s	2.0 ft E

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 MayportQuestions

How are the waves today in Mayport?

Moderate (5.5 ft with a period of 7.7 s from the east-northeast). The highest wave to expect is around 11 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 6.0 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 11 ft.

More about Mayport today

Waves near Mayport

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 9.4 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 7:37 pm (local time).

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