Onemana Surf Break

Lat Long: 37.15° S 175.88° E

Onemana 48 hour detailed Surf Forecast

Issued: 5 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Onemana sea temperature is
14.7°C
0.1° 

Onemana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Onemana today (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 0.5ft (0.2m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 0.5ft (0.2m), 10s period with ENE swell.
  • Evening surf: Evening surf (03 Sep, local time) - 0.5ft (0.2m), 10s period with ENE swell.

The current surf forecast for Onemana at 8AM is: 0.2m 10s primary swell from a East-northeast direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 05:00am September 03). The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (03 Sep)0.5ft (0.2m)10s
Afternoon (03 Sep)0.5ft (0.2m)10s
Evening (03 Sep)0.5ft (0.2m)10s

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

16 DaysHourly
Print Table

Short Range Forecast

Some drizzle, heaviest during Fri afternoon. Very mild (max 18°C on Thu afternoon, min 9°C on Fri night). Wind will be generally light.

Thursday
3
Friday
4
Saturday
5
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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
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)
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.4
NNW
5
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.2
ENE
10
0.9
NNW
7
0.9
NNW
7
0.8
NNW
7
0.6
N
7
0.5
N
6
0.4
NNW
6
0.2
ENE
11
0.2
ENE
10
0.2
ENE
10
Wave Graph
Metric surfscale
Energy kJ
9
9
10
11
11
10
10
10
10
10
10
10
10
10
77
79
65
33
20
11
11
10
10
Wind (km/h)
10
W
15
W
15
WNW
15
W
15
W
15
W
10
WNW
15
WNW
15
WNW
20
WNW
20
WNW
25
NW
25
NW
25
W
20
WSW
15
W
15
WSW
15
WSW
15
WSW
10
WSW
10
WSW
15
WSW
10
W
Wind State
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
High Tide
10:57AM1.76m
11:14PM1.76m
11:49AM1.74m
00:07AM1.72m
12:46PM1.72m
Low Tide
4:48AM0.15m
5:11PM0.27m
5:37AM0.18m
6:03PM0.31m
6:30AM0.21m
7:01PM0.34m
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
cloud
part cloud
cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:35
—
—
—
—
—
—
—
6:33
—
—
—
—
—
—
—
6:31
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
5:57
—
—
—
—
—
—
—
5:57
—
—
—
—
—
—
—
5:58
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
—
—
—
Temp °C
11
13
14
17
18
15
14
13
13
13
14
16
15
15
13
11
10
9
12
16
17
13
10
Feels °C
8
10
11
13
14
12
12
11
10
9
10
12
11
12
10
8
7
6
9
13
14
10
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Onemana at:
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