Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 5 am 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
14.7° C
0.2° 

Onemana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Onemana today (06 Aug):

  • Morning surf: Morning surf (06 Aug, local time) - 2ft (0.6m), 4s period with SE swell.
  • Afternoon surf: Afternoon surf (06 Aug, local time) - 1.5ft (0.4m), 7s period with ESE swell.
  • Evening surf: Evening surf (06 Aug, local time) - 1ft (0.3m), 6s period with ESE swell.

The current surf forecast for Onemana at 12PM is: 0.4m 7s primary swell from a East-southeast direction and 0.1m 11s secondary swell from a Northeast direction (forecast issued at 05:00am August 06). The wind direction is predicted to be glassy.

Time (NZST) & DateWave HeightWave Period
Morning (06 Aug)2ft (0.6m)4s
Afternoon (06 Aug)1.5ft (0.4m)7s
Evening (06 Aug)1ft (0.3m)6s

Table - waves today at Onemana. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 12°C on Sat afternoon, min 5°C on Thu night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SE
5
0.6
ESE
5
0.6
SE
4
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
6
0.3
ESE
6
0.3
ESE
6
0.3
E
6
0.3
E
6
0.1
E
16
0.1
E
16
0.1
NE
15
0.1
NE
15
0.1
NE
15
0.1
NE
15
0.1
NE
15
0.1
NE
15
0.1
NE
14
0.1
NE
14
0.2
ENE
13
0.2
E
13
Wave Graph
Metric surfscale
Energy kJ
33
15
15
17
15
15
8
8
10
7
7
5
5
9
9
8
8
9
9
8
7
18
14
Wind (km/h)
5
SSW
10
SSW
5
SSW
0
ENE
5
NW
5
WSW
10
W
10
WSW
10
WSW
5
WSW
5
WSW
5
WSW
10
WSW
10
WSW
10
WSW
10
WSW
10
WSW
10
W
5
W
5
WNW
5
NW
10
W
5
NW
Wind State
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
off
cross-off
cross-off
cross-off
glassy
glassy
off
cross-off
off
off
off
off
glassy
cross-off
cross-off
off
cross-off
High Tide
12:09PM1.66m
00:25AM1.72m
1:04PM1.67m
1:21AM1.70m
2:04PM1.69m
Low Tide
6:00AM0.22m
6:20PM0.34m
6:51AM0.23m
7:15PM0.36m
7:46AM0.23m
8:15PM0.37m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:09
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:35
5:35
 mm
Temp °C
6
6
6
9
11
9
8
7
6
5
6
10
11
10
7
6
6
6
8
11
12
10
9
Feels °C
3
3
3
7
8
6
5
4
3
2
4
8
8
7
4
3
3
3
6
9
10
7
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Onemana surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest