Waves in Tongaat

Hourly wave forecast for 7 days · updated today, Wednesday, October 28, at 11:59 pm (GMT+2)

Now · significant height 4.7 ft

Sea state: Moderate · Douglas 4
Period: 8.1 s · SE
Swell: 4.7 ft · 7 s
Highest expected: 9.4 ft

Today the sea at Tongaat is moderate: 4.7 ft waves with a period of 8.1 s from the southeast. The swell, 4.7 ft at 7 s, comes from the southeast.

Wave height, next 7 days

2.04.06.08.0 ft 7.0 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 common2.3 ft
Significant4.7 ft
Highest expected9.4 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 9.4 ft. Before heading out, expect waves of up to 9.4 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	7.0 ft	Moderate	SE	8 s	6.4 ft SE	7 mph SSE
Thu 29	4.7 ft	Moderate	SE	9 s	4.7 ft SE	10 mph NE
Fri 30	5.5 ft	Moderate	ESE	9 s	4.1 ft ESE	12 mph NE
Sat 31	6.2 ft	Moderate	E	7 s	3.8 ft E	11 mph ENE
Sun 1	5.7 ft	Moderate	E	7 s	4.9 ft E	14 mph SSW
Mon 2	3.8 ft	Slight	SE	8 s	2.4 ft SSE	9 mph SSW
Tue 3	3.7 ft	Slight	SE	8 s	2.5 ft ESE	6 mph SE

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	7.0 ft	6.4 ft	5.9 ft	5.4 ft	5.1 ft	4.7 ft	4.7 ft	4.7 ft
Period	7.5 s	7.3 s	7.4 s	7.4 s	7.4 s	7.5 s	7.7 s	7.9 s
Direction	SE	SE	SE	SE	SE	SE	SE	SE
Swell	6.1 ft · 7 s	6.3 ft · 6 s	5.9 ft · 6 s	5.4 ft · 6 s	5.1 ft · 6 s	4.7 ft · 6 s	4.6 ft · 6 s	4.6 ft · 6 s
Wind (mph)	7 SW	5 SW	4 WSW	3 S	5 SE	6 ESE	5 ENE	3 N

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	7.2 ft SE	8 s	6.6 ft SE
Mon 26	4.6 ft SSE	8 s	3.3 ft SSE
Sun 25	4.9 ft SE	8 s	3.6 ft SSE
Sat 24	5.6 ft SSE	10 s	5.2 ft S
Fri 23	6.9 ft S	10 s	5.9 ft S
Thu 22	4.6 ft SSE	10 s	3.3 ft SSE
Wed 21	4.6 ft SE	8 s	3.9 ft SSE

Show all 14 days

Day	Max wave	Period	Swell
Tue 20	7.5 ft S	9 s	5.9 ft S
Mon 19	7.9 ft SSE	9 s	5.2 ft SE
Sun 18	5.2 ft SSE	9 s	3.9 ft SSE
Sat 17	5.2 ft ESE	8 s	4.3 ft E
Fri 16	5.6 ft ESE	10 s	4.3 ft ESE
Thu 15	3.9 ft ESE	9 s	3.3 ft E
Wed 14	4.3 ft ESE	9 s	3.3 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 TongaatQuestions

How are the waves today in Tongaat?

Moderate (4.7 ft with a period of 8.1 s from the southeast). The highest wave to expect is around 9.4 ft.

Which day will have the biggest waves this week?

Wednesday 28, with waves up to 7.0 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 9.4 ft.

More about Tongaat today

Waves near Tongaat

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 11:59 pm (local time).

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