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Surf Forecasts:

O'Neills Bay surf break

O'Neills Bay surfForecast / Auckland / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Wednesday 11 Mar 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Today's O'Neills Bay sea temperature is
20.6° C
 (Which is slightly warmer than usual)

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 Thursday (Mar 12) at 1AM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 0.1m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at O'Neills Bay in the next 12 days are 1.9m 16s and forecast to arrive on Tuesday (Mar 17) at 7AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Wednesday (Mar 11) at 7PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 12th Mar)3ft (0.9m) 13s
Best Surf 4AM (Tue 17th Mar)6ft (1.9m) 16s
Most Powerful 7AM (Tue 17th Mar)6ft (1.9m) 16s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Light rain (total 8mm), mostly falling on Fri afternoon. Warm (max 27°C on Fri afternoon, min 17°C on Wed afternoon). Winds decreasing (fresh winds from the ENE on Thu afternoon, calm by Fri night).

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Sat night. Very mild (max 19°C on Sat morning, min 15°C on Sat night). Winds decreasing (fresh winds from the S on Sat night, calm by Mon night).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
0
0
1
1
1
0
0
0
0
0
0
1
1
2
3
4
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.1
SW
0.9
WSW
0.9
SW
0.7
SW
0.6
NW
0.6
WSW
0.5
SW
0.5
SW
0.4
WSW
1.4
SW
2.5
SW
2.3
SW
2.2
SW
2
WSW
1.8
SW
1.8
SW
1.6
SW
1.3
SW
1.8
SW
1.6
SW
1.4
SW
Period(s) (?)131313121212121211689101011121316161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4062992381441149669665014786087299380975792586480315711208773
Wind
(km/h)
25
E
30
ENE
25
E
25
ENE
30
ENE
25
ENE
20
NE
5
N
10
NNW
25
SSW
30
WSW
35
S
30
S
30
SSW
15
S
10
SW
15
SW
5
WSW
5
NW
15
W
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffcross-
off		crosscross-
on		oncrosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onglasscross-
on		cross
High Tide
/ height (m)
3:29PM
2.08
4:11AM
2.08
4:41PM
1.96
5:35AM
2.02
6:11PM
1.95
6:58AM
2.10
7:28PM
2.06
8:00AM
2.26
8:23PM
2.24
8:46AM
2.47
9:07PM
2.43
9:26AM
2.67
9:47PM
2.63
Low Tide
/ height (m)
9:53PM
0.88
10:36AM
1.01
11:06PM
0.97
11:59AM
1.03
12:28AM
0.94
1:15PM
0.92
1:35AM
0.80
2:12PM
0.73
2:27AM
0.62
2:58PM
0.51
3:10AM
0.42
3:37PM
0.30
3:50AM
0.24
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise7:16--7:16--7:16--7:18--7:18--7:20--7:20--
Sunset-7:47--7:45--7:45--7:43--7:42--7:40--7:38-
cloud
part cloud
part cloud
part cloud
part cloud
light rain
clear
rain showers
light rain
part cloud
light rain
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
Rain (mm)
-----1-25-19---------
Temp. °C181718202021262721191816181817181818191918
Feels °C (?)141214161622262824151313131414161617181718
  • 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 O'Neills Bay at:
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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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