Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 12 am 27 Oct 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
17.2°C
1.4° 

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 (27 Oct):

  • Morning surf: Morning surf (27 Oct, local time) - 0.5ft (0.1m), 11s period with E swell.
  • Afternoon surf: Afternoon surf (27 Oct, local time) - 4.5ft (1.3m), 6s period with NNW swell.
  • Evening surf: Evening surf (27 Oct, local time) - 3.5ft (1.1m), 7s period with N swell.

The current surf forecast for Onemana at 7AM is: 0.1m 10s primary swell from a Northeast direction and 0.1m 11s secondary swell from a East direction (forecast issued at 12:00am October 27). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZDT) & DateWave HeightWave Period
Morning (27 Oct)0.5ft (0.1m)11s
Afternoon (27 Oct)4.5ft (1.3m)6s
Evening (27 Oct)3.5ft (1.1m)7s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue morning. Very mild (max 19°C on Wed afternoon, min 9°C on Tue night). Winds increasing (light winds from the NNW on Wed morning, fresh winds from the W by Thu afternoon).

Tuesday
27
Wednesday
28
Thursday
29
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
1
1
1
0
1
1
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)
0.6
N
5
0.1
E
15
0.1
E
15
0.1
N
12
0.1
N
14
1.3
NNW
6
1.2
N
7
1
N
7
1
N
8
0.9
N
8
0.8
N
8
0.7
N
8
0.6
N
7
0.6
N
7
0.6
N
7
0.5
N
7
0.5
N
6
0.5
N
6
0.1
E
12
0.1
E
12
0.9
NW
7
1
NNW
7
1.1
NW
7
0.9
NNW
7
Wave Graph
Metric surfscale
Energy kJ
17
4
4
4
4
139
134
106
113
102
80
57
39
35
33
21
19
18
3
3
63
105
106
78
Wind (km/h)
15
NW
15
NW
15
NW
20
NW
20
NNW
15
NW
15
WSW
15
WSW
20
WSW
20
WSW
15
WSW
15
WSW
10
NNW
20
W
20
W
20
WNW
25
W
20
W
20
W
25
W
30
WNW
30
W
30
W
30
WSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
off
cross-off
cross-off
off
off
cross-off
off
off
off
off
off
off
off
off
High Tide
8:05AM1.84m
8:19PM1.85m
8:52AM1.91m
9:07PM1.88m
9:41AM1.95m
9:57PM1.88m
Low Tide
1:52AM0.10m
2:17PM0.20m
2:39AM0.04m
3:06PM0.16m
3:27AM0.01m
3:57PM0.14m
clear
clear
cloud
cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:16
—
—
—
—
—
—
—
6:16
—
—
—
—
—
—
—
6:15
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
7:43
—
—
—
—
—
—
—
7:44
—
—
—
—
—
—
—
7:45
—
 mm
—
—
—
—
2
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
Temp °C
14
13
14
18
16
17
14
11
10
9
9
15
17
19
16
13
13
12
12
16
19
18
15
13
Feels °C
12
10
11
15
14
16
12
7
6
5
5
11
14
14
11
9
9
7
8
11
13
12
9
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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