Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 5 pm 01 Aug 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
14.7° 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 (02 Aug):

  • Morning surf: Morning surf (02 Aug, local time) - 2.5ft (0.7m), 5s period with ESE swell.
  • Afternoon surf: Afternoon surf (02 Aug, local time) - 2ft (0.6m), 5s period with E swell.
  • Evening surf: Evening surf (02 Aug, local time) - 0.5ft (0.2m), 14s period with ENE swell.

The current surf forecast for Onemana at 12AM is: 1.2m 5s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a East direction, 0.2m 15s secondary swell from a East-northeast direction (forecast issued at 05:00pm August 01). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (02 Aug)2.5ft (0.7m)5s
Afternoon (02 Aug)2ft (0.6m)5s
Evening (02 Aug)0.5ft (0.2m)14s

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


Short Range Forecast

Mostly dry. Very mild (max 15°C on Mon morning, min 5°C on Sat night). Wind will be generally light.

Sat
1
Sunday
2
Monday
3
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
12
0.4
ESE
12
1
SE
5
1.2
ESE
5
1.1
ESE
6
1
SE
5
0.7
ESE
5
0.6
E
5
0.6
E
5
0.2
ENE
14
0.2
ENE
14
0.2
ENE
14
0.2
ENE
13
0.2
ENE
13
0.2
ENE
13
0.4
NE
13
0.2
ENE
13
0.2
ENE
13
0.2
ENE
13
Wave Graph
Metric surfscale
Energy kJ
46
46
41
72
69
49
27
21
20
19
19
18
17
17
16
42
16
16
16
Wind (km/h)
20
ESE
20
ESE
25
SE
20
SSE
10
S
10
SSW
10
SW
5
SW
10
SW
10
WSW
10
W
10
W
10
W
10
W
15
W
20
WSW
25
WSW
25
WSW
25
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
High Tide
8:52PM1.76m
9:08AM1.63m
9:30PM1.77m
9:50AM1.64m
Low Tide
3:12AM0.29m
3:20PM0.25m
3:52AM0.26m
4:01PM0.27m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:30
 mm
Temp °C
12
11
9
7
6
5
6
10
11
9
8
8
8
9
11
15
15
12
11
Feels °C
7
5
3
2
2
1
2
7
8
6
5
5
5
6
8
11
10
6
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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