Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 11 am 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
15.5°C
0.6° 

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 (24 Sep):

  • Morning surf: Morning surf (24 Sep, local time) - 2.5ft (0.7m), 5s period with ESE swell.
  • Afternoon surf: Afternoon surf (24 Sep, local time) - 1.5ft (0.5m), 5s period with ESE swell.
  • Evening surf: Evening surf (24 Sep, local time) - 1ft (0.3m), 5s period with E swell.

The current surf forecast for Onemana at 3PM is: 0.5m 5s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 11:00am September 24). The wind direction is predicted to be glassy.

Time (NZST) & DateWave HeightWave Period
Morning (24 Sep)2.5ft (0.7m)5s
Afternoon (24 Sep)1.5ft (0.5m)5s
Evening (24 Sep)1ft (0.3m)5s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat afternoon. Very mild (max 14°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light.

Thu
24
Friday
25
Saturday
26
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
0
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
ESE
5
0.8
SE
5
0.5
ESE
5
0.4
ESE
5
0.3
E
5
0.1
E
15
0.1
E
15
0.2
E
14
0.2
E
13
0.2
E
13
0.2
E
13
0.2
E
15
0.2
E
15
0.3
ESE
12
0.4
ESE
13
0.4
ESE
13
0.3
E
13
0.3
E
13
0.3
ESE
13
0.3
ESE
13
0.3
ESE
13
Wave Graph
Metric surfscale
Energy kJ
26
30
13
7
4
4
4
16
14
14
14
17
17
28
55
58
31
30
33
32
31
Wind (km/h)
15
SSE
10
SE
0
SW
15
WSW
20
WSW
15
WSW
10
W
10
W
10
W
15
WSW
20
WSW
20
WSW
20
WSW
15
WSW
10
WSW
10
W
10
W
15
W
10
W
20
WSW
15
W
Wind State
cross
cross-on
glassy
off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
off
off
off
off
High Tide
4:56PM1.60m
5:17AM1.53m
5:41PM1.66m
6:04AM1.61m
6:24PM1.73m
Low Tide
10:37AM0.42m
11:12PM0.42m
11:26AM0.36m
11:58PM0.33m
12:13PM0.31m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:14
6:15
 mm
1
1
2
2
Temp °C
9
11
13
12
9
8
7
8
10
13
14
12
11
10
9
9
11
12
12
13
12
Feels °C
4
7
10
7
4
4
4
5
7
9
10
8
7
7
7
7
9
9
10
10
9
  • 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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