Waves in Greens Beach

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 9:56 am (GMT+11)

Now · significant height 2.4 ft

Sea state: Slight · Douglas 3
Period: 4.5 s · WNW
Swell: 2.0 ft · 4 s
Highest expected: 5.1 ft

Today the sea at Greens Beach is slight: 2.4 ft waves with a period of 4.5 s from the west-northwest. The swell, 2.0 ft at 4 s, comes from the northwest. Biggest waves: Wednesday 4, with waves up to 5.1 ft (moderate).

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 common1.2 ft
Significant2.4 ft
Highest expected5.1 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 5.1 ft. Before heading out, expect waves of up to 5.1 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 · today	1.6 ft–4.1 ft
4	Moderate · week peak	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	3.4 ft	Slight	WNW	5 s	2.3 ft NW	11 mph W
Fri 30	3.0 ft	Slight	NW	5 s	2.4 ft NW	9 mph NNW
Sat 31	4.8 ft	Moderate	NNW	6 s	3.0 ft NNW	13 mph NW
Sun 1	4.6 ft	Moderate	NW	6 s	3.0 ft NW	11 mph WNW
Mon 2	2.4 ft	Slight	NW	4 s	1.8 ft NW	8 mph NW
Tue 3	1.8 ft	Slight	NNW	4 s	0.7 ft NNE	9 mph SSE
Wed 4	5.1 ft	Moderate	NW	6 s	3.3 ft NW	11 mph NW

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	3.1 ft	3.0 ft	2.8 ft	2.5 ft	2.4 ft	3.0 ft	3.3 ft	3.1 ft
Period	4.9 s	4.7 s	4.6 s	4.5 s	4.3 s	4.2 s	4.5 s	4.7 s
Direction	WNW	WNW	WNW	WNW	WNW	WNW	NW	NW
Swell	2.2 ft · 5 s	2.0 ft · 5 s	2.0 ft · 5 s	2.0 ft · 4 s	1.6 ft · 5 s	0.9 ft · 5 s	1.4 ft · 5 s	2.2 ft · 5 s
Wind (mph)	8 WSW	7 W	6 W	7 WSW	9 W	10 W	9 W	8 W

Previous days

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

Day	Max wave	Period	Swell
Wed 28	3.9 ft WNW	5 s	3.0 ft NW
Tue 27	3.9 ft WNW	5 s	2.3 ft NW
Mon 26	3.0 ft WNW	5 s	2.6 ft NW
Sun 25	1.6 ft N	7 s	1.3 ft NNE
Sat 24	2.3 ft NNW	6 s	2.0 ft NW
Fri 23	2.3 ft N	5 s	2.0 ft N
Thu 22	1.6 ft NNE	5 s	1.3 ft NNE

Show all 14 days

Day	Max wave	Period	Swell
Wed 21	1.6 ft N	5 s	1.3 ft NNW
Tue 20	1.6 ft N	4 s	1.6 ft N
Mon 19	1.3 ft NE	5 s	1.3 ft NNE
Sun 18	1.6 ft NNE	5 s	1.6 ft NNE
Sat 17	2.0 ft NNE	5 s	1.6 ft NNE
Fri 16	2.0 ft NNE	5 s	2.0 ft NNE
Thu 15	1.6 ft N	4 s	0.7 ft NNW

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 Greens BeachQuestions

How are the waves today in Greens Beach?

Slight (2.4 ft with a period of 4.5 s from the west-northwest). The highest wave to expect is around 5.1 ft.

Which day will have the biggest waves this week?

Wednesday 4, 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 5.1 ft.

More about Greens Beach today

Waves near Greens Beach

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 7.2 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 9:56 am (local time).

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