O'Neills Bay surf break

O'Neills Bay surfForecast / Auckland / New Zealand

information circle12 Day Weather and Surf, issued 12 am Monday 29 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Today's O'Neills Bay sea temperature is
20.7° C
(Which is 2.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for O'Neills Bay this week:

The surf forecast for O'Neills Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 29) at 10PM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.5m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at O'Neills Bay in the next 12 days are 1.7m 12s and forecast to arrive on Saturday (Jan 03) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Dec 29) at 4PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+)10PM (Mon 29th Dec)2.5ft (0.8m) 11s
Best Surf 4AM (Tue 30th Dec)2.5ft (0.7m) 12s
Most Powerful10AM (Sat 3rd Jan)5.5ft (1.7m) 12s

Table - best surf conditions forecast for O'Neills Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 17mm), heaviest on Mon morning. Warm (max 23°C on Tue morning, min 16°C on Sun night). Mainly strong winds.

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Wed night. Warm (max 21°C on Thu morning, min 16°C on Fri night). Wind will be generally light.

Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sun
04
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
0
0
0
0
0
0
1
0
1
0
0
0
0
0
2
2
1
2
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
WSW
1.1
WSW
0.9
WSW
0.7
SW
0.8
SSW
0.6
SSW
1.4
NW
1.7
NW
1.7
WNW
1.4
WNW
1.2
W
1.2
WSW
1
WSW
1
WSW
1.2
WSW
1.3
WSW
1.7
WSW
1.5
WSW
1.2
SW
1
SW
0.5
SW
Period(s) (?)121211111010109989987891210101018
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5693301971261118037747144027022023213396179282743494310181155
Wind
(km/h)
15
ESE
35
ESE
40
ESE
15
NE
25
NE
30
NNE
25
NNE
25
N
20
NW
15
NNW
15
WNW
15
WSW
5
W
5
SW
15
W
0
NNE
5
NW
10
SSW
10
E
5
SSE
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
on
ononononglasscrosscross-
on
offcrosscross-
on
High Tide
/ height (m)
4:56AM
2.33
5:19PM
2.44
6:05AM
2.38
6:28PM
2.45
7:13AM
2.49
7:36PM
2.52
8:16AM
2.64
8:39PM
2.61
9:13AM
2.79
9:36PM
2.71
10:07AM
2.93
10:29PM
2.79
10:57AM
3.02
Low Tide
/ height (m)
10:45PM
0.48
11:09AM
0.62
11:47PM
0.46
12:18PM
0.60
12:52AM
0.41
1:25PM
0.51
1:55AM
0.32
2:29PM
0.38
2:54AM
0.21
3:28PM
0.25
3:49AM
0.11
4:23PM
0.13
4:40AM
0.03
5:14PM
0.06
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sun
04
Sunrise-6:03--6:03--6:03--6:05--6:05--6:07--6:07-
Sunset--8:43--8:44--8:44--8:44--8:44--8:44--8:45
rain showers
mod rain
light rain
clear
clear
clear
clear
rain showers
thunderstorm
rain showers
clear
part cloud
rain showers
rain showers
clear
rain showers
thunderstorm
thunderstorm
part cloud
clear
clear
Rain (mm)
362----151--12-222---
Temp. °C171621192322192221182120182020172020172020
Feels °C (?)151019191817152020162019181918172020171818
  • 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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Information about the O'Neills Bay Surf forecast

The above surf forecast table for O'Neills Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at O'Neills Bay can be found by selecting the local surf guide option on the grey menu. Our O'Neills Bay 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 (O'Neills Bay) 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 O'Neills Bay 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.

O'Neills Bay is 10 km (6 miles) from the city of Waitakere. If you plan a holiday in Auckland, look for hotels and other accommodation in Waitakere. Waitakere has rooms for a wide range of budgets as well as car hire and transport links.

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