Okiwi - Whangapoua Estuary surf break

Okiwi - Whangapoua Estuary surfForecast / Great Barrier Island / New Zealand

information circle12 Day Weather and Surf, issued 5 am Tuesday 16 Sep 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Okiwi - Whangapoua Estuary surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Okiwi - Whangapoua Estuary sea temperature is
15.1° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Okiwi - Whangapoua Estuary this week:

The most powerful waves expected at Okiwi - Whangapoua Estuary in the next 12 days are 2.5m 7s and forecast to arrive on Thursday (Sep 18) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Thursday (Sep 18) at 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 3PM (Thu 18th Sep)8ft (2.5m) 7s

Table - best surf conditions forecast for Okiwi - Whangapoua Estuary over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 16°C on Tue afternoon, min 13°C on Tue morning). Winds increasing (light winds from the NW on Wed afternoon, strong winds from the NW by Thu morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 15°C on Sun afternoon, min 13°C on Fri morning). Mainly fresh winds.

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.2
N
0.2
N
0.2
NNW
0.2
NNW
0.2
N
1.3
NW
1.9
NW
2.5
NW
1.4
NNW
0.8
NNW
0.7
NNW
0.3
ESE
0.6
ESE
0.5
ESE
1
N
1.4
NNW
1.6
N
1.7
N
1.4
NNW
1.4
N
1.8
N
Period(s) (?)13131212125677779765666666
Wave
Graph
(?)Metric surfscale
Energy (?)2122222421102275643213594630433753135204253205269411
Wind
(km/h)
45
WSW
30
SW
25
WSW
25
W
20
NW
40
NW
45
NW
45
NW
35
SW
35
SW
20
SSW
15
NE
25
NNE
30
NNE
30
N
30
N
30
N
35
N
30
NNW
25
NNW
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
crosscross-
off
crosscrossoffoffcross-
off
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
1:59PM
1.91
2:22AM
1.79
3:05PM
1.88
3:29AM
1.76
4:08PM
1.88
4:32AM
1.77
5:05PM
1.91
5:28AM
1.80
5:56PM
1.94
6:19AM
1.84
6:41PM
1.97
7:04AM
1.89
7:23PM
1.98
Low Tide
/ height (m)
8:17PM
0.42
8:41AM
0.33
9:24PM
0.44
9:46AM
0.35
10:28PM
0.43
10:46AM
0.34
11:25PM
0.38
11:41AM
0.32
12:15AM
0.32
12:30PM
0.29
1:00AM
0.27
1:14PM
0.28
1:41AM
0.23
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Sunrise6:16--6:15--6:13--6:11--6:11--6:09--6:07--
Sunset-6:08--6:09--6:10--6:10--6:12--6:13--6:14-
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
light rain
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
Rain (mm)
-------33------------
Temp. °C151613141615161613131413131314141515151516
Feels °C (?)811811141188868976789991013
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Great Barrier Island

  1. weather stationWind Update The wind is still offshore at Okiwi - Whangapoua Estuary (strong winds from the WSW at MokohinauIslandAws 39 km from Okiwi - Whangapoua Estuary). 0.1m 8s swell from the SE with a 0.1m 12s groundswell from the NE and a 0.1m 10s swell from the E. 3 swells combining to make bigger set waves.

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39 km away, 53 min ago

41 km/h
WSW
0.0
15.1
Air / Water (°C)
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Information about the Okiwi - Whangapoua Estuary Surf forecast

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

Okiwi - Whangapoua Estuary is 94 km (58 miles) from the city of Northshore. If you plan a holiday in Great Barrier Island, look for hotels and other accommodation in Northshore. Northshore has rooms for a wide range of budgets as well as car hire and transport links.

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