Surf Forecasts:
Okiwi - Whangapoua Estuary surf forecast from 19 Sep 2026:
- Best quality surf: Thursday 24 Sep, 3PM (local time) - 4ft (1.2m), 6s period, ESE swell with cross-offshore winds.
- Most powerful swell: Saturday 26 Sep, 9AM (local time) - 2.5ft (0.7m), 13s period, ESE swell with 154 kJ wave energy.
- Next surfable swell (1★+): Thursday 24 Sep, 3PM (local time) - 4ft (1.2m), 6s period with ESE 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 Thursday (Sep 24) at 3PM. The primary swell is predicted to be 1.2m and 6s period with a secondary swell of 0.1m and 10s. 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 0.7m 13s and forecast to arrive on Saturday (Sep 26) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Sunday (Sep 20) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Thu 24th Sep) | 4ft (1.2m) 6s |
| Best Surf | 3PM (Thu 24th Sep) | 4ft (1.2m) 6s |
| Most Powerful | 9AM (Sat 26th Sep) | 2.5ft (0.7m) 13s |
Table - best surf conditions forecast for Okiwi - Whangapoua Estuary over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Tue afternoon, min 12°C on Sun night). Winds decreasing (strong winds from the WSW on Sun morning, moderate winds from the WNW by Tue morning). | Days 5-7 Weather SummarySome drizzle, heaviest during Thu night. Very mild (max 14°C on Fri afternoon, min 9°C on Wed night). Winds decreasing (near gales from the SW on Tue night, light winds from the SW by Thu afternoon). | ||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||
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) | SE 11 | SE 11 | SE 11 | NW 7 | ESE 10 | ESE 10 | ESE 10 | NE 12 | SE 10 | ESE 12 | SE 12 | ESE 9 | ESE 11 | SE 6 | ESE 6 | ESE 6 | ESE 14 | ESE 13 | ESE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 33 | 31 | 40 | 11 | 11 | 11 | 10 | 6 | 4 | 14 | 6 | 8 | 11 | 92 | 109 | 40 | 37 | 58 | 81 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 00:59AM1.64m | 1:38PM1.68m | 1:55AM1.59m | 2:36PM1.66m | 2:54AM1.57m | 3:34PM1.68m | 3:52AM1.59m | 4:26PM1.73m | 4:45AM1.65m | 5:14PM1.80m | 5:34AM1.73m | 5:58PM1.88m | |||||||
Low Tide | 7:17AM0.50m | 7:52PM0.62m | 8:11AM0.53m | 8:50PM0.64m | 9:08AM0.53m | 9:48PM0.61m | 10:04AM0.50m | 10:42PM0.54m | 10:56AM0.45m | 11:31PM0.45m | 11:44AM0.38m | 00:16AM0.34m | |||||||
 |  |  |  | | | | | | | | | | | |  | | | | |
 | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — |
 | — | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 15 | 15 | 13 | 13 | 13 | 14 | 13 | 15 | 17 | 12 | 13 | 13 | 12 | 10 | 11 | 12 | 12 | 14 | 13 |
Feels °C | 7 | 6 | 2 | 3 | 6 | 7 | 6 | 11 | 12 | 1 | 5 | 3 | 1 | 2 | 7 | 5 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | NE 8 | SE 11 | NW 6 | NW 7 | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | NW 6 | SE 12 | ESE 9 | ESE 11 | NE 11 | ESE 6 | ESE 6 | E 6 | ESE 13 | ESE 12 |
| kJ | 30 | 31 | 40 | 11 | 11 | 11 | 10 | 4 | 4 | 5 | 6 | 8 | 11 | 5 | 109 | 40 | 18 | 58 | 81 |
Swell 2 Height (m) Direction Period (s) | SE 11 | ENE 9 | SE 11 | ESE 11 | NNW 6 | NW 6 | E 10 | NE 9 | SW 5 | ESE 12 | NE 12 | SE 6 | SE 6 | SE 11 | NE 10 | ESE 9 | ESE 14 | ESE 6 | ESE 14 |
| kJ | 33 | 8 | 30 | 11 | 4 | 1 | 2 | 3 | 1 | 14 | 5 | 1 | 2 | 5 | 4 | 8 | 37 | 11 | 70 |
Swell 3 Height (m) Direction Period (s) | E 7 | NNE 8 | ENE 9 | ENE 9 | E 9 | SE 6 | NE 13 | NE 12 | NE 8 | NE 12 | NW 6 | SE 12 | NE 11 | — | E 16 | E 15 | ESE 11 | ESE 10 | ESE 6 |
| kJ | 4 | 6 | 8 | 8 | 2 | 1 | 7 | 6 | 3 | 6 | 1 | 5 | 5 | — | 5 | 18 | 11 | 10 | 7 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | SW 6 | SSW 5 | SW 4 | WSW 4 | W 4 | W 4 | WNW 4 | SSW 6 | SSW 6 | SW 5 | SSW 5 | SE 6 | — | SSW 4 | SW 4 | SW 3 | SSW 4 |
| kJ | 171 | 265 | 213 | 94 | 20 | 25 | 39 | 40 | 28 | 227 | 175 | 63 | 109 | 92 | — | 13 | 6 | 5 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 326 | 597 | 200 | 233 | 233 | 326 | 270 | 301 | 338 | 255 | 237 | 326 | 154 | 121 | 0 | 87 | 0 | 84 | 68 |
Best forecast wave conditions in Great Barrier Island | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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