Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 5 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
15.0°C
0.4° 

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 Sep):

  • Morning surf: Morning surf (06 Sep, local time) - 0.5ft (0.2m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (06 Sep, local time) - 0.5ft (0.2m), 9s period with ENE swell.
  • Evening surf: Evening surf (06 Sep, local time) - 0.5ft (0.2m), 9s period with ENE swell.

The current surf forecast for Onemana at 10AM is: 0.2m 10s primary swell from a East-northeast direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 05:00am September 06). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (06 Sep)0.5ft (0.2m)10s
Afternoon (06 Sep)0.5ft (0.2m)9s
Evening (06 Sep)0.5ft (0.2m)9s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Mon night. Very mild (max 17°C on Sun afternoon, min 9°C on Tue night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
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)
0
0
0
0
0
0
0
0
0
0
1
2
3
1
1
1
1
1
1
1
1
1
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)
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.2
ENE
10
1.5
NNW
6
1.5
N
6
1.7
N
7
2.3
NNW
7
2
NNW
8
1.3
N
8
1.2
N
8
1.4
N
8
1.5
N
8
1.3
N
8
1.1
N
8
0.9
N
8
0.8
N
8
0.7
N
8
0.6
N
8
Wave Graph
Metric surfscale
Energy kJ
10
9
9
9
8
8
8
9
160
188
262
588
498
213
172
221
263
228
167
109
82
61
42
Wind (km/h)
10
WNW
10
WNW
10
WNW
15
WNW
15
NW
15
NNW
15
NNW
20
NNW
20
NNW
20
NNW
25
NNW
20
NW
15
WNW
10
WNW
5
WNW
0
NE
10
SSE
10
SSW
10
WSW
5
WSW
10
SW
10
SW
10
WSW
Wind State
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
1:05AM1.68m
1:48PM1.71m
2:09AM1.65m
2:53PM1.72m
3:16AM1.65m
3:57PM1.76m
Low Tide
7:28AM0.23m
8:03PM0.36m
8:30AM0.25m
9:09PM0.36m
9:34AM0.24m
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
thunderstorm
part cloud
light rain
mod rain
rain showers
clear
clear
part cloud
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
6:00
6:00
 mm
1
1
1
1
6
2
Temp °C
10
10
13
16
17
15
13
14
15
16
16
16
16
14
13
12
11
10
11
14
15
13
11
Feels °C
8
8
11
12
13
12
11
11
12
13
13
13
14
12
12
12
9
8
9
12
12
11
8
  • 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.


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