Surf Forecasts:
Wainui Beach - Stockroute surf forecast from 17 Aug 2026:
- Best quality surf: Tuesday 18 Aug, 12PM (local time) - 11ft (3.5m), 9s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 19 Aug, 12PM (local time) - 13ft (4.0m), 11s period, S swell with 3,684 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 12PM (local time) - 11ft (3.5m), 9s period with S swell.
Best Forecast Surf Conditions for Wainui Beach - Stockroute this week:
The surf forecast for Wainui Beach - Stockroute over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 18) at 12PM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 2.3m and 9s. Another secondary swell of 0.1m and 18s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Wainui Beach - Stockroute in the next 16 days are 4.0m 11s and forecast to arrive on Wednesday (Aug 19) at 12PM. 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 2s period and expected on Friday (Aug 21) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Tue 18th Aug) | 11ft (3.5m) 9s |
| Best Surf | 12PM (Tue 18th Aug) | 11ft (3.5m) 9s |
| Most Powerful | 12PM (Wed 19th Aug) | 13ft (4.0m) 11s |
Table - best surf conditions forecast for Wainui Beach - Stockroute over the next 16 days.
Short Range ForecastModerate rain (total 13mm), heaviest on Tue night. Very mild (max 10°C on Mon morning, min 7°C on Mon night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the SW by Wed night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
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) | SSE 10 | S 10 | S 9 | SSW 9 | SSE 9 | SSE 12 | SSE 12 | S 11 | SSE 14 | SSW 14 | SE 8 | SSE 9 | ESE 10 | SSE 16 | SSE 15 | SSE 13 | SSE 12 | SSE 11 | SE 10 | ESE 13 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 924 | 1956 | 1487 | 761 | 1344 | 3202 | 2662 | 3084 | 1076 | 2233 | 219 | 110 | 122 | 575 | 376 | 170 | 79 | 47 | 31 | 32 | 15 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross | off | cross-off | off | off | off | off | cross-off | off | off | cross-off |
High Tide | 9:16AM2.02m | 9:37PM2.07m | 10:02AM2.01m | 10:22PM2.02m | 10:47AM1.96m | 11:06PM1.95m | 11:32AM1.90m | 11:48PM1.87m | 12:17PM1.84m | 00:30AM1.79m | 1:01PM1.78m | 1:14AM1.71m | 1:46PM1.73m | 2:05AM1.65m | |||||||
Low Tide | 3:25PM0.47m | 3:54AM0.48m | 4:11PM0.52m | 4:39AM0.51m | 4:56PM0.58m | 5:24AM0.56m | 5:42PM0.65m | 6:09AM0.62m | 6:28PM0.72m | 6:53AM0.69m | 7:17PM0.77m | 7:38AM0.75m | 8:09PM0.81m | ||||||||
 |  |  |  | |  | | |  |  | |  | | | | | | |  | | | |
 | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — |
 | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — |
mm | — | 2 | — | 1 | 1 | 5 | 1 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 8 | 8 | 9 | 10 | 9 | 10 | 10 | 9 | 12 | 12 | 9 | 15 | 17 | 11 | 16 | 17 | 15 | 16 | 18 | 13 |
Feels °C | 1 | 0 | 1 | 0 | 0 | -2 | 1 | 3 | 5 | 7 | 8 | 6 | 12 | 13 | 6 | 11 | 12 | 11 | 11 | 14 | 7 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | SSE 10 | SE 9 | SE 9 | E 10 | — | SE 8 | SSE 11 | SE 9 | SE 9 | SE 8 | SSE 9 | ESE 10 | SSE 16 | SSE 15 | SSE 13 | SSE 12 | SSE 11 | SE 10 | SSE 10 | ESE 12 |
| kJ | 344 | 799 | 744 | 599 | 30 | — | 232 | 1935 | 430 | 408 | 219 | 110 | 122 | 575 | 376 | 170 | 79 | 47 | 28 | 19 | 15 |
Swell 2 Height (m) Direction Period (s) | S 16 | ESE 10 | SSE 15 | SSE 14 | — | — | — | SSE 16 | SSE 14 | SSE 14 | SSE 8 | ESE 8 | SSE 9 | ESE 10 | ESE 10 | SE 10 | ESE 9 | ESE 13 | ESE 12 | ESE 13 | SSE 10 |
| kJ | 139 | 271 | 72 | 40 | — | — | — | 346 | 1076 | 273 | 57 | 84 | 82 | 130 | 67 | 24 | 17 | 34 | 31 | 32 | 9 |
Swell 3 Height (m) Direction Period (s) | — | S 16 | — | — | — | — | — | — | S 14 | — | SSE 13 | SSE 12 | SSE 12 | E 18 | E 16 | E 13 | ESE 12 | — | — | — | SW 6 |
| kJ | — | 126 | — | — | — | — | — | — | 919 | — | 99 | 59 | 83 | 6 | 5 | 4 | 15 | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | SSE 10 | S 10 | S 9 | SSW 9 | SSE 9 | SSE 12 | SSE 12 | S 11 | — | SSW 14 | — | — | — | — | NW 3 | NW 3 | — | WNW 2 | — | — | — |
| kJ | 924 | 1956 | 1487 | 761 | 1344 | 3202 | 2662 | 3084 | — | 2233 | — | — | — | — | 2 | 1 | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 119 | 116 | 65 | 65 | 407 | 123 | 119 | 119 | 40 | 13 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 121 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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Information about the Wainui Beach - Stockroute Surf forecast
The above surf forecast table for Wainui Beach - Stockroute provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wainui Beach - Stockroute can be found by selecting the local surf guide option on the grey menu. Our Wainui Beach - Stockroute 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 Beach - Stockroute) 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 Beach - Stockroute 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 Gisborne and Mahia? If you are looking for accommodation near Wainui Beach - Stockroute, camping, hotels and holiday cottages in Gisborne and Mahia, consider staying in Gisborne which is 9 km (6 miles) away.
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