TidePlanet

Waves in South West Rocks

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 3:01 pm (GMT+11)
Now · significant height 3.6 ft
Sea state
Slight · Douglas 3
Period
8.4 s · SSE
Swell
3.1 ft · 6 s
Highest expected
7.3 ft

Today the sea at South West Rocks is slight: 3.6 ft waves with a period of 8.4 s from the south-southeast. The swell, 3.1 ft at 6 s, comes from the south-southeast. Biggest waves: Saturday 31, with waves up to 5.4 ft (moderate).

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 common1.8 ft
  • Significant3.6 ft
  • Highest expected7.3 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 7.3 ft. Before heading out, expect waves of up to 7.3 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 · 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 4.9 ft Moderate SSE 9 s 4.8 ft SSE 10 mph S
Fri 30 5.0 ft Moderate SSE 10 s 4.9 ft SSE 10 mph ENE
Sat 31 5.4 ft Moderate ESE 10 s 4.4 ft SSE 17 mph NNE
Sun 1 5.2 ft Moderate ENE 7 s 3.4 ft ENE 13 mph NNE
Mon 2 3.5 ft Slight E 7 s 3.1 ft ENE 10 mph SSE
Tue 3 3.2 ft Slight E 7 s 2.1 ft ESE 12 mph N
Wed 4 3.0 ft Slight ENE 7 s 2.8 ft NE 9 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 3.4 ft3.7 ft3.7 ft3.6 ft3.5 ft3.6 ft4.1 ft4.7 ft
Period 6.8 s7.2 s7.5 s7.7 s7.9 s8.4 s8.9 s9.2 s
Direction SSESSESSESSESSESSESSESSE
Swell 2.9 ft · 5 s3.5 ft · 6 s3.5 ft · 6 s3.4 ft · 6 s3.2 ft · 6 s3.1 ft · 6 s3.9 ft · 7 s4.6 ft · 8 s
Wind (mph) 4 SW5 W3 W3 W4 SE10 ESE6 ESE1 WSW

Previous days

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

DayMax wavePeriodSwell
Wed 28 4.3 ft SE8 s3.0 ft SSE
Tue 27 5.2 ft SE8 s4.3 ft SSE
Mon 26 6.9 ft ENE8 s6.6 ft NE
Sun 25 6.9 ft NE7 s4.9 ft ENE
Sat 24 6.2 ft ENE7 s5.6 ft ENE
Fri 23 6.9 ft ENE7 s5.6 ft ENE
Thu 22 5.9 ft ENE7 s5.2 ft E
Show all 14 days
DayMax wavePeriodSwell
Wed 21 5.6 ft ENE7 s5.2 ft ENE
Tue 20 4.6 ft E8 s3.9 ft E
Mon 19 4.9 ft ESE8 s3.9 ft SE
Sun 18 5.2 ft ESE8 s4.9 ft SE
Sat 17 5.6 ft SE8 s5.2 ft SE
Fri 16 5.9 ft SE8 s5.6 ft SE
Thu 15 6.9 ft SSE8 s6.6 ft SSE

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 South West RocksQuestions

How are the waves today in South West Rocks?

Slight (3.6 ft with a period of 8.4 s from the south-southeast). The highest wave to expect is around 7.3 ft.

Which day will have the biggest waves this week?

Saturday 31, with waves up to 5.4 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 7.3 ft.

More about South West Rocks today

Waves near South West Rocks

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 12 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 3:01 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from

Settings

How numbers and colors show across the site.

Height and distance Tides, waves and distances
Temperature Air and water
Wind Speed and gusts
Time Tides, sun and moon
Pressure Air pressure
Theme Automatic: same as your system

Saved only in this browser.