Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 6 pm 30 Oct 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
16.7°C
0.6° 

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 (31 Oct):

  • Morning surf: Morning surf (31 Oct, local time) - 0.5ft (0.2m), 8s period with N swell.
  • Afternoon surf: Afternoon surf (31 Oct, local time) - 0.5ft (0.2m), 7s period with N swell.
  • Evening surf: Evening surf (31 Oct, local time) - 0.5ft (0.1m), 13s period with NE swell.

The current surf forecast for Onemana at 12AM is: 0.3m 4s primary swell from a Northwest direction (forecast issued at 06:00pm October 30). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (31 Oct)0.5ft (0.2m)8s
Afternoon (31 Oct)0.5ft (0.2m)7s
Evening (31 Oct)0.5ft (0.1m)13s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Fri afternoon, min 11°C on Sat night). Winds decreasing (fresh winds from the W on Fri afternoon, calm by Sat night).

Fri
30
Saturday
31
Sunday
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)
0.2
NNW
6
0.1
NE
15
0.1
NE
15
0.3
NW
4
0.1
NE
9
0.2
N
8
0.2
N
8
0.2
N
8
0.2
N
7
0.2
N
7
0.1
NE
13
0.2
NNE
8
0.2
NNE
8
0.3
ENE
4
0.3
ENE
4
0.1
N
16
0.6
NNE
4
0.8
NNE
4
0.7
NNE
5
Wave Graph
Metric surfscale
Energy kJ
4
8
8
3
3
6
5
5
4
4
7
7
7
3
3
5
10
20
22
Wind (km/h)
30
W
30
WSW
30
WSW
30
SW
25
SW
20
SSW
15
SSW
10
E
15
NNE
15
NNW
5
WSW
5
SW
5
WSW
5
NW
10
N
20
N
25
N
20
N
15
NNW
Wind State
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
on
cross-on
cross-off
off
glassy
off
cross-off
cross
cross
cross
cross-off
cross-off
High Tide
10:49PM1.85m
11:24AM1.93m
11:44PM1.79m
12:20PM1.89m
Low Tide
5:09AM0.04m
5:44PM0.18m
6:03AM0.10m
6:41PM0.22m
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
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6:11
—
—
—
—
—
—
—
6:11
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:45
—
—
—
—
—
—
—
7:46
—
—
—
—
—
—
—
7:47
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
17
15
13
12
12
12
13
15
15
15
11
11
11
11
14
16
17
16
14
Feels °C
11
9
7
5
6
6
8
12
11
11
9
9
9
9
11
11
12
12
11
  • 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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