Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 5 pm 28 Jul 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
15.0° C
0.0° 

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 (28 Jul):

  • Afternoon surf: Afternoon surf (28 Jul, local time) - 2ft (0.6m), 13s period with E swell.
  • Evening surf: Evening surf (28 Jul, local time) - 2.5ft (0.7m), 14s period with ESE swell.

The current surf forecast for Onemana at 9PM is: 0.7m 14s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 05:00pm July 28). The wind direction is predicted to be glassy.

Time (NZST) & DateWave HeightWave Period
Morning (28 Jul)--
Afternoon (28 Jul)2ft (0.6m)13s
Evening (28 Jul)2.5ft (0.7m)14s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu night. Very mild (max 15°C on Thu morning, min 8°C on Tue afternoon). Wind will be generally light.

Tue
28
Wednesday
29
Thursday
30
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
1
1
0
0
0
0
1
0
1
1
1
1
1
1
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
E
13
0.6
ESE
13
0.7
ESE
14
0.7
E
13
0.7
ESE
13
0.7
ESE
13
0.7
ESE
13
0.7
ESE
13
0.7
ESE
13
0.8
E
12
0.8
E
12
0.8
E
12
0.8
E
12
0.8
E
12
0.7
E
12
0.7
E
12
0.7
E
12
0.6
E
12
0.6
E
11
Wave Graph
Metric surfscale
Energy kJ
126
141
189
171
181
178
178
176
170
199
193
187
184
184
139
139
137
98
91
Wind (km/h)
5
ESE
0
SW
5
S
10
SE
10
SSE
10
S
5
SSE
5
ESE
5
NNE
10
NNW
10
NW
10
NW
5
WNW
5
NNW
5
NW
15
NNW
20
NNW
10
NW
15
NNW
Wind State
cross-on
glassy
glassy
cross-on
cross-on
cross
cross
glassy
cross-on
cross-off
cross-off
cross-off
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:07PM1.61m
6:17AM1.55m
6:51PM1.66m
7:02AM1.57m
7:33PM1.70m
Low Tide
00:17AM0.48m
12:32PM0.33m
1:04AM0.43m
1:16PM0.29m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:27
5:27
5:28
 mm
Temp °C
10
8
8
9
8
8
9
12
12
11
11
11
10
10
12
15
15
12
11
Feels °C
7
6
6
5
5
5
7
11
10
9
8
9
8
8
10
11
11
10
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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