Onemana Surf Break

Onemana 48 hour detailed Surf Forecast

Lat Long: 37.15° S 175.88° E

Issued: 11 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
16.1° C

Normal for this time of year

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 (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 2ft (0.6m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 1.5ft (0.5m), 8s period with NE swell.
  • Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.4m), 8s period with NE swell.

The current surf forecast for Onemana at 6PM is: 0.4m 8s primary swell from a Northeast direction and 0.6m 5s secondary swell from a North-northwest direction (forecast issued at 11:00am June 21). The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (21 Jun)2ft (0.6m)9s
Afternoon (21 Jun)1.5ft (0.5m)8s
Evening (21 Jun)1.5ft (0.4m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue afternoon. Very mild (max 16°C on Sun morning, min 11°C on Mon morning). Winds increasing (light winds from the S on Mon morning, fresh winds from the NE by Tue night).

Sun
21
Monday
22
Tuesday
23
Wed
24
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
3 AM
6 AM
Rating
(10 max)
0
0
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ENE
9
0.5
NE
9
0.5
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
NE
8
0.3
ENE
8
0.2
ENE
8
0.7
E
4
1
E
5
1.2
E
6
1.3
E
6
1.5
ENE
6
1.5
ENE
6
1.5
ENE
6
1.5
ENE
6
1.9
NE
7
2
NE
7
2.1
NE
7
Wave Graph
Metric surfscale
Energy kJ
54
38
35
25
18
18
17
16
16
16
10
12
6
19
54
89
105
155
167
186
192
305
357
382
Wind (km/h)
15
NW
15
NW
15
WNW
10
W
15
WSW
15
WSW
10
SW
10
SW
10
WSW
10
S
10
SE
10
NE
15
NE
15
ENE
20
ENE
20
ENE
20
NE
25
NE
20
NE
20
NNE
20
NNE
25
NE
30
NE
30
NE
Wind State
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
cross
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:43AM1.72m
00:09AM1.85m
12:40PM1.66m
1:02AM1.76m
1:37PM1.61m
1:54AM1.68m
Low Tide
5:53PM0.18m
6:32AM0.19m
6:47PM0.28m
7:24AM0.24m
7:41PM0.37m
cloud
cloud
cloud
clear
clear
clear
cloud
clear
clear
clear
part cloud
clear
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:30
7:30
7:30
7:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:06
5:06
5:06
5:07
 mm
1
1
1
1
1
2
2
1
1
1
1
Temp °C
15
16
16
15
13
13
13
13
11
14
15
13
13
14
14
14
14
15
15
14
15
15
15
15
Feels °C
13
14
14
14
11
11
11
11
9
12
13
11
11
11
11
10
10
11
12
10
12
11
10
10
Swell 1
Height (m)
Direction
Period (s)
0.6
ENE
9
0.5
NE
9
0.5
NE
8
0.6
NNW
5
0.5
NNW
5
0.4
NNW
5
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
NE
8
0.3
ENE
8
0.2
ENE
8
0.2
ENE
8
0.2
ENE
8
0.1
E
14
1.1
E
6
1.1
E
6
1.2
E
6
1.2
ENE
6
0.1
E
13
0.1
E
13
Energy kJ
54
38
35
19
14
9
17
16
16
16
10
12
6
6
6
4
74
83
109
123
3
3
Swell 2
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.2
E
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
NNW
5
0.3
NNW
5
0.2
NNW
5
0.2
NNW
5
0.1
NW
5
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
Energy kJ
5
6
6
25
18
18
5
6
3
3
1
4
4
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
E
15
0.1
E
15
0.1
E
15
0.2
E
8
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
14
0.1
E
14
0.1
E
14
0.1
E
14
Energy kJ
4
4
4
6
5
5
1
1
1
4
4
4
4
Wind waves
Height (m)
Direction
Period (s)
0.4
NNW
4
0.6
NNW
4
0.7
NNW
5
0.3
WSW
2
0.4
WSW
3
0.2
ENE
3
0.7
E
4
1
E
5
1.2
E
6
1.3
E
6
1.5
ENE
6
1.5
ENE
6
1.5
ENE
6
1.5
ENE
6
1.9
NE
7
2
NE
7
2.1
NE
7
Energy kJ
7
13
19
1
3
1
19
54
89
105
155
167
186
192
305
357
382
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
4
4
3
3
3
3
3
3
1
3
3
3
3
3
3
3
3
1
Distance (km)
149
165
7
50
83
169
165
119
119
107
107
107
107
107
56
107
107
107
107
107
127
127
127
169
Best forecast wave conditions in The Coromandel
Rating
(10 max)
1
1
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
3
1
1
4
5
5
6
7
6
5
5
5
5
4
4
4
4
4
4
4
4
4
2
Header Global
Rating
(10 max)
5
9
9
9
8
8
7
7
7
6
6
6
7
6
5
5
5
5
5
6
5
5
6
5
  • 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
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