Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 6 pm 29 Oct 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
16.8°C
0.8° 

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 Oct):

  • Morning surf: Morning surf (30 Oct, local time) - 1.5ft (0.4m), 6s period with NNW swell.
  • Afternoon surf: Afternoon surf (30 Oct, local time) - 0.5ft (0.2m), 6s period with NNW swell.
  • Evening surf: Evening surf (30 Oct, local time) - 0.5ft (0.1m), 15s period with NE swell.

The current surf forecast for Onemana at 12AM is: 0.9m 7s primary swell from a North-northwest direction and 0.1m 12s secondary swell from a North direction (forecast issued at 06:00pm October 29). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (30 Oct)1.5ft (0.4m)6s
Afternoon (30 Oct)0.5ft (0.2m)6s
Evening (30 Oct)0.5ft (0.1m)15s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Thu afternoon, min 10°C on Sat night). Winds decreasing (fresh winds from the WSW on Fri afternoon, calm by Sat night).

Thu
29
Friday
30
Saturday
31
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
1
1
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
N
12
1.4
NW
6
1.4
NW
7
0.8
NNW
7
0.6
NNW
7
0.5
N
6
0.4
NNW
6
0.3
NNW
6
0.2
NNW
6
0.1
NE
15
0.1
NE
15
0.1
NE
15
0.1
NE
9
0.2
N
8
0.3
N
8
0.2
NNW
8
0.2
N
7
0.2
N
7
0.2
NNE
8
Wave Graph
Metric surfscale
Energy kJ
3
162
163
63
36
20
11
6
4
8
8
8
3
5
11
6
4
4
7
Wind (km/h)
25
WNW
25
W
20
W
20
WSW
20
WSW
20
WSW
25
WSW
25
WSW
30
W
30
WSW
25
WSW
30
SW
25
SW
20
SW
15
SSE
15
ENE
15
NNE
15
NNW
5
W
Wind State
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
off
High Tide
9:57PM1.88m
10:31AM1.96m
10:49PM1.85m
11:24AM1.93m
Low Tide
4:17AM0.01m
4:49PM0.15m
5:09AM0.04m
5:44PM0.18m
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:13
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6:11
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—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
7:45
—
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—
—
—
—
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7:45
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—
—
—
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7:46
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 mm
—
—
—
—
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—
—
—
—
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—
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Temp °C
20
16
14
13
12
12
15
18
18
15
13
13
12
11
13
14
15
14
11
Feels °C
15
11
10
9
7
7
9
12
12
9
7
6
6
6
9
10
11
10
9
  • 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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