Onemana surf break

Onemana surfForecast / Coromandel / New Zealand

information circle12 Day Weather and Surf, issued 12 am Tuesday 09 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Onemana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Onemana sea temperature is
20.1° C
(Which is 2.3°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Onemana this week:

The surf forecast for Onemana over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 09) at 10PM. The primary swell is predicted to be 0.5m and 13s period with a secondary swell of 0.7m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Onemana in the next 12 days are 2.5m 12s and forecast to arrive on Wednesday (Dec 10) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (Dec 12) at 4AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 9th Dec)1.5ft (0.5m) 13s
Best Surf 4AM (Thu 11th Dec)6ft (1.9m) 11s
Most Powerful 1PM (Wed 10th Dec)8ft (2.5m) 12s

Table - best surf conditions forecast for Onemana over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Thu morning, min 16°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Warm (max 23°C on Fri afternoon, min 14°C on Thu night). Wind will be generally light.

Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Mon
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
2
2
3
2
1
2
0
0
0
0
1
1
1
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
N
0.3
ENE
0.4
ENE
0.7
E
2.3
NE
2.5
NE
2.1
ENE
1.6
ENE
1.6
ENE
1.6
NE
1.1
NE
1.1
NE
1.3
NE
0.9
ESE
0.9
E
0.9
ENE
0.9
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.6
ENE
Period(s) (?)12111113121111109998876668888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)122439171152415399545334243971641712007968616269715140
Wind
(km/h)
5
WSW
10
ESE
10
ENE
5
SE
10
SE
10
E
5
SSE
5
ESE
10
NE
15
WSW
25
SW
20
SW
15
ESE
5
SE
15
NNW
10
N
10
N
15
N
10
NW
5
NNE
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
oncross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
offcross-
off
cross-
off
oncross-
on
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
on
cross
High Tide
/ height (m)
10:21PM
1.86
10:55AM
1.99
11:16PM
1.79
11:48AM
1.93
12:11AM
1.72
12:41PM
1.85
1:08AM
1.64
1:34PM
1.76
2:05AM
1.58
2:27PM
1.68
3:02AM
1.54
3:19PM
1.61
3:58AM
1.52
4:09PM
1.57
Low Tide
/ height (m)
4:38AM
0.01
5:16PM
0.13
5:31AM
0.08
6:10PM
0.18
6:23AM
0.17
7:04PM
0.23
7:17AM
0.27
7:57PM
0.28
8:10AM
0.36
8:49PM
0.32
9:04AM
0.44
9:40PM
0.35
9:58AM
0.49
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Mon
15
Sunrise-5:48--5:48--5:48--5:48--5:48--5:50--5:50-
Sunset--8:27--8:28--8:29--8:29--8:30--8:30--8:31
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
Rain (mm)
------------2--------
Temp. °C192222172121182323182223171820161920172120
Feels °C (?)192222182020192323181718161719141718161917
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Onemana Surf forecast

The above surf forecast table for Onemana provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Onemana can be found by selecting the local surf guide option on the grey menu. Our Onemana surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Onemana) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Onemana may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Onemana is 64 km (40 miles) from Tauranga. If you plan a holiday in The Coromandel, look for hotels and other accommodation in Tauranga. Tauranga has rooms for a wide range of budgets as well as car hire and transport links.

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