Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 11 pm 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
14.8° 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 (26 Jul):

  • Morning surf: Morning surf (26 Jul, local time) - 2ft (0.6m), 11s period with E swell.
  • Afternoon surf: Afternoon surf (26 Jul, local time) - 2ft (0.6m), 11s period with E swell.
  • Evening surf: Evening surf (26 Jul, local time) - 2ft (0.6m), 13s period with E swell.

The current surf forecast for Onemana at 6AM is: 0.6m 11s primary swell from a East direction and 0.2m 7s secondary swell from a North-northwest direction (forecast issued at 11:00pm July 25). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (26 Jul)2ft (0.6m)11s
Afternoon (26 Jul)2ft (0.6m)11s
Evening (26 Jul)2ft (0.6m)13s

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


Short Range Forecast

Some drizzle, heaviest during Sun morning. Very mild (max 12°C on Mon afternoon, min 5°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat night, calm by Sun morning).

Sunday
26
Monday
27
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
1
1
1
1
0
1
1
0
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)
0.7
E
11
0.6
E
11
0.6
E
11
0.6
E
11
0.6
E
11
0.6
E
11
0.6
E
11
0.4
ESE
14
0.6
E
13
0.6
E
13
0.6
E
12
0.6
E
12
0.6
E
12
0.6
E
12
0.6
E
13
0.6
E
13
0.6
E
13
Wave Graph
Metric surfscale
Energy kJ
121
87
85
86
86
85
83
62
126
123
112
112
112
113
119
123
123
Wind (km/h)
30
WSW
20
SW
10
WSW
5
W
5
W
0
WSW
10
SSE
5
SSW
10
SSW
15
SSE
5
SSW
10
WSW
15
SW
15
SW
15
SSW
10
SW
10
SW
Wind State
cross-off
cross-off
cross-off
off
off
glassy
cross
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:50AM1.50m
4:31PM1.54m
4:41AM1.50m
5:20PM1.57m
Low Tide
9:43PM0.55m
10:05AM0.42m
10:36PM0.54m
10:56AM0.40m
clear
clear
clear
cloud
cloud
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:25
 mm
1
Temp °C
10
10
8
7
9
10
10
9
8
8
7
5
6
10
12
9
8
Feels °C
3
4
4
4
7
9
7
7
5
4
4
2
2
5
7
5
5
  • 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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