Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 6 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
15.1°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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 0.5ft (0.1m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 0.5ft (0.1m), 9s period with NE swell.
  • Evening surf: Evening surf (30 Sep, local time) - 0.5ft (0.1m), 9s period with NE swell.

The current surf forecast for Onemana at 3AM is: 0.1m 10s primary swell from a Northeast direction and 0.1m 6s secondary swell from a North direction (forecast issued at 06:00pm September 29). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (30 Sep)0.5ft (0.1m)12s
Afternoon (30 Sep)0.5ft (0.1m)9s
Evening (30 Sep)0.5ft (0.1m)9s

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 8°C on Thu night). Wind will be generally light.

Tue
29
Wednesday
30
Thursday
1
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
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
3
4
4
4
4
4
4
4
3
3
3
3
6
6
6
5
5
5
5
Wind (km/h)
20
WSW
20
WSW
20
WSW
15
WSW
10
WSW
10
WSW
5
SW
5
NE
5
NNW
5
WNW
10
WSW
10
W
10
WSW
10
WSW
10
SW
10
WSW
10
WNW
20
WSW
15
WSW
Wind State
cross-off
cross-off
off
off
off
off
cross-off
cross-on
glassy
glassy
off
off
off
cross-off
cross-off
off
cross-off
cross-off
off
High Tide
9:32PM1.86m
10:02AM1.86m
10:17PM1.85m
10:49AM1.87m
Low Tide
3:52AM0.08m
4:16PM0.18m
4:38AM0.07m
5:04PM0.19m
part cloud
clear
clear
clear
clear
clear
clear
cloud
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>
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6:54
—
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—
—
—
—
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6:52
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:16
—
—
—
—
—
—
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7:17
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—
—
—
—
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7:19
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
16
14
11
10
9
9
13
14
15
15
13
12
11
11
13
17
18
14
10
Feels °C
11
9
7
7
7
7
12
12
14
14
11
10
8
9
10
14
15
10
7
  • 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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