Surf Forecasts:
Kaiaua Bay surf forecast from 18 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 9PM (local time) - 15ft (4.5m), 11s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 19 Aug, 3AM (local time) - 16ft (5.0m), 12s period, S swell with 6,337 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 9PM (local time) - 15ft (4.5m), 11s period with S swell.
Best Forecast Surf Conditions for Kaiaua Bay this week:
The surf forecast for Kaiaua Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 9PM. The primary swell is predicted to be 4.5m and 11s period with a secondary swell of 0.1m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kaiaua Bay in the next 16 days are 5.0m 12s and forecast to arrive on Wednesday (Aug 19) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Sunday (Aug 23) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 18th Aug) | 15ft (4.5m) 11s |
| Best Surf | 9PM (Tue 18th Aug) | 15ft (4.5m) 11s |
| Most Powerful | 3AM (Wed 19th Aug) | 16ft (5.0m) 12s |
Table - best surf conditions forecast for Kaiaua Bay over the next 16 days.
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 13°C on Thu afternoon, min 6°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the WNW by Thu night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Sat afternoon, min 9°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||
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) | S 9 | S 10 | S 11 | S 11 | S 11 | S 11 | SSE 9 | S 9 | S 8 | SE 11 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 9 | S 9 | S 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1372 | 2528 | 6014 | 5756 | 3917 | 918 | 772 | 654 | 401 | 308 | 470 | 407 | 282 | 210 | 152 | 81 | 49 | 31 | 85 | 142 | 95 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross | off | glassy | cross-on | cross-off | off | off | off | off | off | off | off | cross-off | off |
High Tide | 10:09AM1.53m | 10:28PM1.54m | 10:57AM1.49m | 11:15PM1.47m | 11:45AM1.45m | 00:03AM1.41m | 12:33PM1.40m | 00:50AM1.36m | 1:21PM1.37m | 1:39AM1.32m | 2:12PM1.35m | 2:30AM1.30m | 3:02PM1.35m | ||||||||
Low Tide | 4:21PM0.17m | 4:47AM0.15m | 5:09PM0.23m | 5:32AM0.21m | 5:56PM0.30m | 6:18AM0.27m | 6:44PM0.35m | 7:04AM0.32m | 7:32PM0.39m | 7:52AM0.35m | 8:22PM0.42m | 8:41AM0.37m | 9:14PM0.42m | ||||||||
 |  |  | | |  |  | |  | | | | | | |  | | | | | | |
 | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | 1 | 8 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 11 | 8 | 10 | 10 | 9 | 12 | 13 | 9 | 13 | 13 | 10 | 16 | 17 | 14 | 17 | 16 | 14 | 16 | 17 | 13 |
Feels °C | 2 | 2 | -1 | 1 | 2 | 3 | 6 | 7 | 6 | 11 | 10 | 7 | 13 | 14 | 9 | 13 | 13 | 8 | 14 | 14 | 9 |
Swell 1 Height (m) Direction Period (s) | S 9 | E 18 | — | SE 14 | ESE 13 | SE 9 | S 13 | ESE 10 | S 8 | SE 11 | S 13 | S 13 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 9 | S 9 | S 10 |
| kJ | 1372 | 6 | — | 70 | 17 | 747 | 507 | 157 | 401 | 308 | 470 | 407 | 282 | 210 | 152 | 81 | 49 | 31 | 85 | 142 | 47 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | E 18 | — | — | SE 14 | S 14 | SE 12 | SE 8 | SE 9 | S 9 | SE 10 | SE 9 | SE 9 | SE 9 | ESE 13 | ESE 13 | NNE 5 | ESE 12 | ESE 13 | S 13 | S 14 |
| kJ | 31 | 6 | — | — | 46 | 703 | 50 | 86 | 152 | 153 | 239 | 90 | 41 | 20 | 31 | 34 | 8 | 30 | 33 | 117 | 95 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | — | — | — | — | — | — | ESE 14 | SSE 18 | S 16 | S 16 | SSE 17 | E 15 | E 14 | ESE 8 | N 8 | ESE 13 | NNE 5 | S 17 | ESE 13 | ESE 13 |
| kJ | 42 | — | — | — | — | — | — | 18 | 102 | 260 | 190 | 93 | 4 | 14 | 7 | 5 | 33 | 5 | 6 | 33 | 16 |
Wind waves Height (m) Direction Period (s) | SSW 8 | S 10 | S 11 | S 11 | S 11 | S 11 | SSE 9 | S 9 | — | — | — | — | NW 3 | NNW 4 | — | N 3 | WNW 2 | — | W 3 | — | — |
| kJ | 837 | 2528 | 6014 | 5756 | 3917 | 918 | 772 | 654 | — | — | — | — | 2 | 1 | — | 5 | 1 | — | 1 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 78 | 337 | 78 | 84 | 84 | 3 | 3 | 75 | 0 | 0 | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in East Cape | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kaiaua Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Kaiaua Bay Surf forecast
The above surf forecast table for Kaiaua Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kaiaua Bay can be found by selecting the local surf guide option on the grey menu. Our Kaiaua 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 (Kaiaua 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 Kaiaua 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.
Are you planning a holiday in East Cape? If you are looking for accommodation near Kaiaua Bay, camping, hotels and holiday cottages in East Cape, consider staying in Gisborne which is 50 km (31 miles) away.
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