Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 12 pm 15 Oct 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
16.7°C
1.6° 

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 (15 Oct):

  • Morning surf: Morning surf (15 Oct, local time) - 1.5ft (0.4m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (15 Oct, local time) - 6.5ft (2.0m), 7s period with N swell.
  • Evening surf: Evening surf (15 Oct, local time) - 4.5ft (1.3m), 8s period with N swell.

The current surf forecast for Onemana at 6PM is: 1.7m 8s primary swell from a North direction and 0.3m 10s secondary swell from a East-northeast direction (forecast issued at 12:00pm October 15). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (NZDT) & DateWave HeightWave Period
Morning (15 Oct)1.5ft (0.4m)10s
Afternoon (15 Oct)6.5ft (2.0m)7s
Evening (15 Oct)4.5ft (1.3m)8s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu morning. Very mild (max 17°C on Thu morning, min 5°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu morning, calm by Sat night).

Thu
15
Friday
16
Saturday
17
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
2
1
1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.4
ENE
10
1.7
N
6
2
N
7
1.5
N
8
1.2
N
8
1.7
NNW
7
1.7
NNW
7
1.5
NNW
7
1.1
N
7
1
N
8
0.8
N
8
0.9
SE
5
1.3
SE
6
1.2
SE
6
1
SE
6
0.8
SE
5
0.8
SSE
5
0.9
SE
5
1.1
SE
5
0.8
SE
5
0.8
SE
5
Wave Graph
Metric surfscale
Energy kJ
35
217
427
249
160
310
286
236
131
118
74
38
101
96
60
34
34
39
62
38
34
Wind (km/h)
25
NW
30
NNW
30
WSW
20
W
15
WNW
20
WNW
15
WNW
10
WNW
20
SSE
20
SSE
15
SE
20
SSE
20
SSE
20
S
15
SW
20
SSW
20
S
20
SSE
20
ESE
10
SE
5
SE
Wind State
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross
cross-on
cross-on
cross-on
glassy
High Tide
10:42AM1.76m
10:55PM1.66m
11:24AM1.70m
11:38PM1.60m
12:08PM1.64m
Low Tide
4:55PM0.33m
5:10AM0.26m
5:38PM0.38m
5:53AM0.33m
6:23PM0.44m
light rain
light rain
rain showers
clear
clear
clear
cloud
light rain
thunderstorm
rain showers
cloud
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
—
—
—
—
—
6:31
—
—
—
—
—
—
—
6:30
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
7:31
—
—
—
—
—
—
—
7:32
—
—
—
—
—
—
—
7:34
—
 mm
1
5
4
—
—
—
—
1
2
2
—
1
—
—
—
—
—
—
—
—
—
Temp °C
17
16
12
13
11
11
10
10
12
14
14
13
10
7
6
5
11
14
15
15
12
Feels °C
13
11
7
8
8
7
7
8
8
9
10
8
5
2
1
-1
5
8
10
12
10
  • 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 

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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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