TidePlanet

Waves in Invercargill

Hourly wave forecast for 7 days · updated today, Thursday, October 29, at 10:58 am (GMT+13)
Now · significant height 9.8 ft
Sea state
Rough · Douglas 5
Period
9.9 s · WSW
Swell
7.7 ft · 10 s
Highest expected
20 ft
Waves up to 12 ft on Friday 30

Today the sea at Invercargill is rough: 9.8 ft waves with a period of 9.9 s from the west-southwest. The swell, 7.7 ft at 10 s, comes from the west-southwest. Biggest waves: Friday 30, with waves up to 12 ft (rough).

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 common4.9 ft
  • Significant9.8 ft
  • Highest expected20 ft

One wave in seven is higher than the significant height, and about 3 times a day one reaches 20 ft. Before heading out, expect waves of up to 20 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 1.6 ft–4.1 ft
4 Moderate 4.1 ft–8.2 ft
5 Rough · today 8.2 ft–13.1 ft
6 Very rough 13.1 ft–19.7 ft
7 High 19.7 ft–29.5 ft

Waves day by day

Day Max wave Sea state Direction Max period Swell Max wind
Today 11 ft Rough WSW 10 s 8.1 ft WSW 23 mph W
Fri 30 12 ft Rough WSW 11 s 8.5 ft WSW 30 mph WSW
Sat 31 9.2 ft Rough WSW 10 s 7.5 ft WSW 11 mph NW
Sun 1 5.1 ft Moderate W 9 s 4.4 ft WSW 30 mph NNW
Mon 2 4.6 ft Moderate WSW 9 s 3.2 ft WSW 17 mph SW
Tue 3 4.3 ft Moderate WSW 12 s 3.9 ft WSW 11 mph E
Wed 4 4.1 ft Moderate WSW 12 s 3.9 ft WSW 11 mph N

Today, every 3 hours

Time 12:00 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Waves 9.8 ft9.6 ft9.6 ft9.7 ft9.9 ft10 ft11 ft10 ft
Period 9.9 s9.8 s9.8 s9.9 s9.8 s9.6 s9.6 s9.9 s
Direction WSWWSWWSWWSWWSWWSWWSWWSW
Swell 7.7 ft · 10 s7.2 ft · 10 s7.1 ft · 10 s7.7 ft · 10 s7.3 ft · 11 s6.4 ft · 12 s6.5 ft · 12 s7.3 ft · 11 s
Wind (mph) 15 W12 WNW10 WNW13 WNW19 W23 W21 W15 W

Previous days

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

DayMax wavePeriodSwell
Wed 28 10 ft WSW12 s8.5 ft WSW
Tue 27 6.9 ft WSW8 s5.6 ft WSW
Mon 26 6.2 ft W11 s4.9 ft WSW
Sun 25 6.6 ft WSW12 s5.9 ft WSW
Sat 24 6.2 ft WSW11 s4.6 ft WSW
Fri 23 6.2 ft WSW12 s4.6 ft WSW
Thu 22 6.9 ft W8 s4.3 ft WSW
Show all 14 days
DayMax wavePeriodSwell
Wed 21 5.6 ft WSW9 s4.3 ft WSW
Tue 20 6.2 ft WSW10 s4.6 ft WSW
Mon 19 7.5 ft WSW9 s5.9 ft WSW
Sun 18 7.9 ft WSW8 s5.9 ft WSW
Sat 17 5.6 ft WSW9 s3.3 ft WSW
Fri 16 5.6 ft SW9 s4.3 ft WSW
Thu 15 5.2 ft SW11 s3.9 ft WSW

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 InvercargillQuestions

How are the waves today in Invercargill?

Rough (9.8 ft with a period of 9.9 s from the west-southwest). The highest wave to expect is around 20 ft.

Which day will have the biggest waves this week?

Friday 30, with waves up to 12 ft (rough).

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 20 ft.

More about Invercargill today

Waves near Invercargill

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 3.3 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 10:58 am (local time).

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