Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 12 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
15.2°C
0.3° 

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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 0.5ft (0.2m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 0.5ft (0.1m), 12s period with E swell.
  • Evening surf: Evening surf (29 Sep, local time) - 0.5ft (0.1m), 12s period with E swell.

The current surf forecast for Onemana at 8AM is: 0.2m 12s primary swell from a East direction and 0.1m 5s secondary swell from a Northwest direction (forecast issued at 12:00am September 29). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (29 Sep)0.5ft (0.2m)12s
Afternoon (29 Sep)0.5ft (0.1m)12s
Evening (29 Sep)0.5ft (0.1m)12s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.

Tuesday
29
Wednesday
30
Thursday
1
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
E
12
0.2
E
12
0.2
E
12
0.2
E
12
0.2
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
NE
12
0.1
NE
12
0.1
NE
12
0.1
NE
12
0.1
NE
11
0.1
NE
11
0.1
NE
11
Wave Graph
Metric surfscale
Energy kJ
11
11
10
11
11
3
4
4
4
4
4
4
4
3
3
3
3
6
6
6
5
5
5
5
Wind (km/h)
20
W
15
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
15
WSW
10
WSW
10
W
10
WSW
5
WSW
5
NNE
5
NNW
5
W
10
WSW
10
W
10
WSW
10
WSW
10
WSW
10
WSW
5
W
20
SW
15
WSW
Wind State
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
glassy
cross-off
off
off
off
off
off
cross-off
cross-off
off
cross-off
cross-off
High Tide
9:16AM1.83m
9:32PM1.86m
10:02AM1.86m
10:17PM1.85m
10:49AM1.87m
Low Tide
3:08AM0.11m
3:29PM0.18m
3:52AM0.08m
4:16PM0.18m
4:38AM0.07m
5:04PM0.19m
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:56
—
—
—
—
—
—
—
6:54
—
—
—
—
—
—
—
6:52
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:16
—
—
—
—
—
—
—
7:17
—
—
—
—
—
—
—
7:19
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
11
10
10
13
16
16
14
11
10
9
9
13
15
16
15
12
12
11
11
14
16
18
14
10
Feels °C
7
6
6
9
11
11
10
8
7
7
7
11
14
14
13
9
10
9
9
12
13
15
10
6
  • 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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