Surf Forecasts:
Wainui Bay Chalet surf forecast from 11 Aug 2026:
- Best quality surf: Sunday 16 Aug, 12AM (local time) - 7ft (2.1m), 9s period, E swell with onshore winds.
- Most powerful swell: Tuesday 18 Aug, 3AM (local time) - 11ft (3.5m), 10s period, SE swell with 2,428 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 9PM (local time) - 3.5ft (1.1m), 8s period with SSE swell.
Best Forecast Surf Conditions for Wainui Bay Chalet this week:
The surf forecast for Wainui Bay Chalet over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 9PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.1m and 17s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Wainui Bay Chalet in the next 16 days are 3.5m 10s and forecast to arrive on Tuesday (Aug 18) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Aug 13) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 11th Aug) | 3.5ft (1.1m) 8s |
| Best Surf | 12AM (Sun 16th Aug) | 7ft (2.1m) 9s |
| Most Powerful | 3AM (Tue 18th Aug) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Wainui Bay Chalet over the next 16 days.
The Lowdown
Alright, folks, Rusty here, giving you the lowdown for the next couple of weeks at Wainui Bay Chalet.
The first surfable window is on Tuesday morning. We get a clean 5ft swell from the SSW with a light offshore breeze. The water’s about normal for this time of year. The combined energy is a moderate 430, and the cross-off wind should keep the face smooth. A solid start.
But that afternoon, the wind turns onshore and it goes pretty ordinary.
Wednesday through to Friday is a loss. Swell drops to around 3ft with messy cross-shore winds and a choppy surface. Not worth it.
Saturday the 15th, the swell jumps to 8ft from the ESE, but it’s coming with a fresh cross-onshore wind and rain. The energy is up at 954 (moderate), but the surface will be lumpy and difficult.
Here’s the one to mark on your calendar: Friday the 21st of August in the morning. We’ve got a solid 6ft, long-period groundswell from the SSE with a period of 17 seconds and it’s glassy calm. The combined energy is a strong 1635. This is excellent surf, but the size is in the expert zone, and with that long period, it’ll be barrelling on the sandbars. Not for the faint of heart, but the conditions will be magic.
The weekend after, the 22nd and 23rd, offers cleaner 4ft to 4ft swells with glassy mornings. Good for the experienced intermediate.
Then Monday the 24th of August gives us another cracker – a glassy 5ft from the SSE with a 14-second period and moderate energy of 947. That’s a very good looking session.
After that it fades back into small and lumpy conditions.
So, look past the first week. The absolute standout is Friday the 21st of August. The 24th is a great backup. Just remember, that long-period groundswell on the 21st might make for some big, fast sets – best suited for the more experienced surfers.
Rusty.
Short Range ForecastMostly dry. Very mild (max 14°C on Thu morning, min 8°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 75mm), heaviest during Sat afternoon. Very mild (max 14°C on Fri morning, min 9°C on Sun night). Winds increasing (calm on Sat night, strong winds from the SW by Sun afternoon). | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
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) | SSW 8 | S 8 | SSE 11 | SE 8 | SE 11 | SE 10 | ESE 9 | SE 9 | SE 8 | ESE 8 | ESE 6 | ENE 7 | E 8 | E 8 | E 9 | E 9 | E 9 | SSW 7 | S 8 | SE 8 | SE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 276 | 309 | 200 | 129 | 344 | 245 | 145 | 93 | 71 | 92 | 75 | 482 | 443 | 470 | 691 | 529 | 422 | 405 | 314 | 1023 | 1895 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-on | cross-on | on | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 4:07PM1.85m | 4:46AM1.79m | 5:27PM1.91m | 5:54AM1.85m | 6:28PM2.00m | 6:51AM1.92m | 7:19PM2.07m | 7:42AM1.98m | 8:05PM2.10m | 8:30AM2.01m | 8:51PM2.10m | 9:16AM2.02m | 9:37PM2.07m | ||||||||
Low Tide | 9:49AM0.51m | 10:31PM0.63m | 11:01AM0.49m | 11:47PM0.60m | 12:04PM0.45m | 00:48AM0.54m | 12:58PM0.43m | 1:39AM0.49m | 1:48PM0.42m | 2:26AM0.46m | 2:37PM0.43m | 3:10AM0.46m | 3:25PM0.47m | ||||||||
 | |  |  |  | | | | |  |  |  | |  | | | |  | | |  | |
 | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | 5:25 | — | — | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 7 | 14 | 9 | 18 | 12 | 4 | 1 | 8 | 2 | 2 | 1 |
Temp °C | 13 | 13 | 10 | 12 | 12 | 11 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 10 | 9 |
Feels °C | 8 | 8 | 8 | 8 | 8 | 7 | 11 | 10 | 10 | 10 | 8 | 9 | 7 | 8 | 8 | 8 | 3 | 2 | 1 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 11 | SE 8 | SE 11 | SE 10 | ESE 9 | SE 9 | SE 8 | ESE 8 | ESE 6 | E 7 | ESE 13 | S 18 | E 9 | E 9 | E 9 | SSE 7 | SSE 8 | S 16 | E 9 |
| kJ | 113 | 213 | 200 | 129 | 344 | 245 | 145 | 93 | 70 | 92 | 75 | 236 | 17 | 6 | 691 | 529 | 422 | 208 | 159 | 179 | 173 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | E 6 | NE 6 | S 16 | — | ESE 13 | ESE 13 | ENE 5 | ESE 14 | ESE 14 | ESE 13 | S 16 | SW 14 | SSE 18 | SSE 16 | SSE 16 | E 8 | E 9 | — | — |
| kJ | 89 | 67 | 1 | 1 | 5 | — | 17 | 17 | 13 | 19 | 20 | 17 | 5 | 8 | 60 | 51 | 50 | 205 | 190 | — | — |
Swell 3 Height (m) Direction Period (s) | NE 6 | SE 18 | — | S 18 | — | NNE 8 | S 19 | S 18 | S 16 | S 16 | S 16 | S 15 | S 20 | — | — | SSW 16 | SSW 16 | SSE 16 | SSE 17 | — | — |
| kJ | 2 | 13 | — | 6 | — | 6 | 7 | 6 | 5 | 5 | 5 | 4 | 8 | — | — | 86 | 83 | 48 | 237 | — | — |
Wind waves Height (m) Direction Period (s) | SSW 8 | S 8 | — | — | NE 8 | NNE 4 | NE 4 | ENE 4 | NE 5 | ENE 6 | ENE 6 | ENE 7 | E 8 | E 8 | — | — | S 5 | SSW 7 | S 8 | SE 8 | SE 10 |
| kJ | 276 | 309 | — | — | 17 | 8 | 8 | 6 | 71 | 22 | 49 | 482 | 443 | 470 | — | — | 29 | 405 | 314 | 1023 | 1895 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 47 | 0 | 1 | 48 | 0 | 0 | 48 | 0 | 48 | 50 | 50 | 97 | 96 | 4 | 49 | 97 | 64 | 115 | 118 | 115 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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Information about the Wainui Bay Chalet Surf forecast
The above surf forecast table for Wainui Bay Chalet provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wainui Bay Chalet can be found by selecting the local surf guide option on the grey menu. Our Wainui Bay Chalet 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 (Wainui Bay Chalet) 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 Wainui Bay Chalet 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.
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