Waves in Saint Augustine South

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 6:53 pm (EDT)

Now · significant height 4.6 ft

Sea state: Moderate · Douglas 4
Period: 7.9 s · ENE
Swell: 4.3 ft · 7 s
Highest expected: 9.3 ft

Today the sea at Saint Augustine South is moderate: 4.6 ft waves with a period of 7.9 s from the east-northeast. The swell, 4.3 ft at 7 s, comes from the east-northeast.

Wave height, next 7 days

2.04.0 ft 5.1 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 common2.3 ft
Significant4.6 ft
Highest expected9.3 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.3 ft. Before heading out, expect waves of up to 9.3 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	5.1 ft	Moderate	ENE	8 s	4.5 ft ENE	18 mph NE
Thu 29	4.5 ft	Moderate	ENE	8 s	4.3 ft ENE	21 mph NNE
Fri 30	4.2 ft	Moderate	ENE	7 s	3.5 ft ENE	17 mph NNE
Sat 31	3.9 ft	Slight	ENE	6 s	3.2 ft ENE	17 mph ENE
Sun 1	4.1 ft	Slight	E	7 s	3.6 ft E	18 mph E
Mon 2	4.1 ft	Moderate	ENE	7 s	3.8 ft E	17 mph ENE
Tue 3	3.9 ft	Slight	E	7 s	3.7 ft E	15 mph NE

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	4.9 ft	5.0 ft	5.1 ft	5.0 ft	4.9 ft	4.7 ft	4.7 ft	4.6 ft
Period	8.0 s	8.2 s	8.3 s	8.3 s	8.2 s	8.2 s	7.9 s	7.8 s
Direction	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Swell	4.1 ft · 7 s	4.3 ft · 8 s	4.4 ft · 8 s	4.5 ft · 8 s	4.5 ft · 8 s	4.4 ft · 7 s	4.3 ft · 7 s	4.3 ft · 7 s
Wind (mph)	17 NNE	16 NE	13 NE	15 NNE	18 NNE	17 NNE	15 NE	12 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	5.2 ft ENE	8 s	4.3 ft ENE
Mon 26	5.9 ft ENE	9 s	4.6 ft ENE
Sun 25	6.2 ft NE	8 s	4.6 ft ENE
Sat 24	5.2 ft NE	8 s	3.3 ft NE
Fri 23	3.3 ft NE	8 s	2.3 ft ENE
Thu 22	3.3 ft NE	9 s	3.0 ft ENE
Wed 21	3.6 ft NE	8 s	3.0 ft NE

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	4.6 ft NE	9 s	3.9 ft ENE
Mon 19	6.2 ft NE	9 s	3.6 ft ENE
Sun 18	5.9 ft NE	8 s	3.6 ft NE
Sat 17	4.3 ft NNE	7 s	1.0 ft ENE
Fri 16	1.0 ft E	8 s	1.0 ft E
Thu 15	1.3 ft E	8 s	1.3 ft E
Wed 14	1.3 ft E	8 s	1.3 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 Saint Augustine SouthQuestions

How are the waves today in Saint Augustine South?

Moderate (4.6 ft with a period of 7.9 s from the east-northeast). The highest wave to expect is around 9.3 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 5.1 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 9.3 ft.

More about Saint Augustine South today

Waves near Saint Augustine South

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 10 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 6:53 pm (local time).

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