Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 5 am 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
15.1° C
0.1° 

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 (16 Jul):

  • Morning surf: Morning surf (16 Jul, local time) - 1ft (0.3m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (16 Jul, local time) - 1ft (0.3m), 12s period with E swell.
  • Evening surf: Evening surf (16 Jul, local time) - 1ft (0.3m), 13s period with ESE swell.

The current surf forecast for Onemana at 1PM is: 0.3m 12s primary swell from a East direction and 0.2m 15s secondary swell from a East direction (forecast issued at 05:00am July 16). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (16 Jul)1ft (0.3m)13s
Afternoon (16 Jul)1ft (0.3m)12s
Evening (16 Jul)1ft (0.3m)13s

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


Short Range Forecast

Mostly dry. Very mild (max 16°C on Thu afternoon, min 9°C on Thu night). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sun
19
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
Rating
(10 max)
0
0
0
0
0
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
E
10
0.3
E
11
0.3
E
13
0.3
E
12
0.3
E
12
0.4
ESE
13
0.3
ESE
13
0.3
ESE
18
0.4
ESE
17
0.4
ESE
17
0.5
E
16
0.5
E
16
0.5
E
16
0.5
E
16
0.5
E
15
0.5
E
15
0.5
E
14
0.5
E
14
0.4
ESE
14
0.4
ESE
14
0.4
ESE
14
0.4
ESE
14
0.3
ESE
14
0.3
ESE
14
Wave Graph
Metric surfscale
Energy kJ
9
20
29
25
25
60
35
61
100
95
139
134
129
124
115
109
107
106
68
68
67
66
38
38
Wind (km/h)
10
W
10
W
10
W
10
W
10
W
10
WSW
15
WSW
15
SW
10
WSW
10
WSW
10
WSW
20
WSW
20
WSW
15
SW
10
W
15
WSW
10
WSW
10
WSW
15
WSW
15
WSW
20
WSW
20
WSW
20
WSW
15
WSW
Wind State
off
off
off
off
off
off
off
cross-off
off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
cross-off
cross-off
off
off
High Tide
7:42AM1.87m
8:17PM2.02m
8:37AM1.86m
9:09PM2.02m
9:31AM1.84m
10:00PM1.98m
Low Tide
1:41AM0.12m
1:59PM-0.01m
2:37AM0.08m
2:53PM-0.00m
3:30AM0.07m
3:45PM0.04m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:24
7:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:17
5:19
5:20
 mm
Temp °C
12
11
12
14
16
13
12
12
10
9
11
13
13
11
10
10
10
11
11
13
14
11
10
10
Feels °C
11
10
11
13
14
11
10
10
8
7
9
9
9
8
8
7
7
8
8
9
10
7
6
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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