Surf Forecasts:
Okiwi - Whangapoua Estuary surf forecast from 5 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 12PM (local time) - 6ft (1.9m), 7s period, N swell with cross-offshore winds.
- Most powerful swell: Monday 10 Aug, 12AM (local time) - 8ft (2.5m), 7s period, NNW swell with 726 kJ wave energy.
- Next surfable swell (1★+): Wednesday 5 Aug, 6PM (local time) - 2.5ft (0.8m), 6s period with SE swell.
Best Forecast Surf Conditions for Okiwi - Whangapoua Estuary this week:
The surf forecast for Okiwi - Whangapoua Estuary over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 05) at 6PM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Okiwi - Whangapoua Estuary in the next 16 days are 2.5m 7s and forecast to arrive on Monday (Aug 10) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Wednesday (Aug 05) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Wed 5th Aug) | 2.5ft (0.8m) 6s |
| Best Surf | 12PM (Wed 12th Aug) | 6ft (1.9m) 7s |
| Most Powerful | 12AM (Mon 10th Aug) | 8ft (2.5m) 7s |
Table - best surf conditions forecast for Okiwi - Whangapoua Estuary over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 10°C on Wed afternoon, min 7°C on Wed morning). Winds decreasing (fresh winds from the S on Wed morning, calm by Thu morning). | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Sun night. Very mild (max 16°C on Mon morning, min 10°C on Sat morning). Winds increasing (light winds from the WNW on Sat morning, strong winds from the NNW by Sun night). | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NE 12 | ENE 12 | SE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 9 | ESE 13 | ESE 9 | ENE 14 | NNW 4 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | NNW 8 | N 8 | N 8 | N 8 | N 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 14 | 26 | 21 | 43 | 35 | 27 | 32 | 18 | 15 | 18 | 33 | 319 | 394 | 726 | 539 | 406 | 191 | 320 | 378 | 291 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 11:33AM1.86m | 11:49PM1.94m | 12:23PM1.86m | 00:40AM1.90m | 1:19PM1.86m | 1:36AM1.87m | 2:21PM1.87m | 2:39AM1.86m | 3:25PM1.91m | 3:44AM1.87m | 4:29PM1.97m | 4:49AM1.91m | 5:31PM2.06m | ||||||||
Low Tide | 5:43PM0.35m | 6:14AM0.25m | 6:34PM0.39m | 7:05AM0.26m | 7:31PM0.42m | 8:01AM0.26m | 8:33PM0.43m | 9:02AM0.25m | 9:39PM0.41m | 10:06AM0.22m | 10:45PM0.36m | 11:09AM0.16m | 11:48PM0.28m | ||||||||
 | |  | | | | | | |  |  |  | |  |  | | |  | | | | |
 | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 | 2 | — | 1 | 2 | 1 | 6 |
Temp °C | 8 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 10 | 11 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 |
Feels °C | 1 | 6 | 5 | 8 | 6 | 5 | 5 | 6 | 7 | 7 | 10 | 9 | 7 | 7 | 7 | 12 | 12 | 13 | 12 | 11 | 14 |
Swell 1 Height (m) Direction Period (s) | NE 12 | ENE 12 | SE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 9 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ENE 13 | NE 13 | ESE 12 | NE 12 | NNW 8 | N 8 | ENE 12 | N 8 | NE 11 |
| kJ | 22 | 14 | 26 | 21 | 43 | 35 | 27 | 32 | 14 | 15 | 7 | 7 | 18 | 7 | 14 | 6 | 406 | 191 | 13 | 378 | 5 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ESE 9 | ESE 7 | NE 11 | N 15 | ESE 14 | N 14 | ESE 13 | NNW 12 | NNW 12 | NNW 12 | SE 8 | SE 8 | NE 12 | SE 11 | ENE 12 | ENE 12 | N 14 | E 11 | NW 13 |
| kJ | 8 | 7 | 8 | 20 | 5 | 17 | 18 | 14 | 18 | 15 | 15 | 14 | 3 | 3 | 6 | 5 | 14 | 14 | 4 | 2 | 7 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | NE 11 | NE 11 | E 9 | NE 10 | N 14 | ESE 14 | N 13 | NE 16 | ENE 14 | ENE 13 | N 12 | N 12 | — | — | N 15 | N 14 | NW 14 | N 13 | SE 12 |
| kJ | 6 | 6 | 5 | 5 | 2 | 4 | 16 | 18 | 14 | 10 | 18 | 17 | 12 | 3 | — | — | 4 | 4 | 7 | 3 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SE 6 | — | — | — | — | — | — | — | — | NNW 2 | NNW 4 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | — | — | N 8 | — | N 8 |
| kJ | 186 | 91 | — | — | — | — | — | — | — | — | 1 | 33 | 319 | 394 | 726 | 539 | — | — | 320 | — | 291 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 172 | 79 | 118 | 118 | 125 | 0 | 0 | 0 | 119 | 119 | 121 | 119 | 133 | 326 | 60 | 60 | 51 | 104 | 119 | 121 | 51 |
Best forecast wave conditions in Great Barrier Island | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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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 16 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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