Surf Forecasts:
Wainui Beach - Stockroute surf forecast from 10 Sep 2026:
- Best quality surf: Sunday 13 Sep, 12AM (local time) - 6ft (1.9m), 15s period, SSE swell with cross-offshore winds.
- Most powerful swell: Sunday 13 Sep, 3AM (local time) - 7ft (2.1m), 15s period, SSE swell with 1,951 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 12PM (local time) - 1.5ft (0.5m), 19s 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 Friday (Sep 11) at 12PM. The primary swell is predicted to be 0.5m and 19s period with a secondary swell of 0.6m and 7s. 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 2.1m 15s and forecast to arrive on Sunday (Sep 13) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Sep 17) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Fri 11th Sep) | 1.5ft (0.5m) 19s |
| Best Surf | 12AM (Sun 13th Sep) | 6ft (1.9m) 15s |
| Most Powerful | 3AM (Sun 13th Sep) | 7ft (2.1m) 15s |
Table - best surf conditions forecast for Wainui Beach - Stockroute over the next 16 days.
The Lowdown
G’day, Rusty here. It’s been a flat start to the forecast period, but don’t write the week off just yet. We’ve got a solid run of swell coming through for Wainui Beach - Stockroute, with a few standout windows that’ll get the stoke levels up. The water temp is sittin’ at 55°, which is a bit colder than normal for this time of year by about 2°, so grab the extra rubber.
The first few days are pretty average. Friday morning has some tiny 1ft SSE swell with light cross-off wind, but it’s weak with combined energy of 129, and just ordinary. Friday afternoon and Saturday are poor. Sunday 13 September morning is where it kicks off – that’s the first real standout. You’ve got a clean 6ft SSE swell, period 15 seconds, with gentle offshore wind from the west. Combined energy is a meaty 1350, so there’s proper grunt behind it. That’s excellent for experienced surfers – the long period will make for well-shaped lines best handled on the reef sections. Crowds are possible here.
Monday 14 September morning hangs in there with 5ft SSE swell and light cross-off wind, still clean and decent (combined energy 636). Tuesday 15 September morning turns glassy with 3ft SSE swell, but it’s only surfable, not special. Wednesday and Thursday are forgettable.
Then we get another solid pulse. Saturday 19 September morning brings clean 4ft SSE swell, period 19 seconds – that’s very long period groundswell – with light offshore wind. Combined energy jumps to 1260, excellent for experienced surfers. That one’s a standout for the second week, but remember it’s more than a week away, so keep an eye on it. Sunday 20 September stays clean with 4ft SSE, and Monday 21 September morning has light offshore on 2ft.
Tuesday 22 September morning brings a punchy 6ft SSW swell, but the period is short at 8 seconds, so it’ll be a bit lumpy. Still, clean offshore wind and combined energy of 697 makes it very good. Wednesday 23 September morning is clean with 4ft SSE at 13 seconds, but fresh offshore wind at 19 mph will blow it out a touch. Thursday 24 September morning has 7ft SSW swell, short period again, clean offshore – that’s big, only for experts. Friday 25 September morning is glassy with 8ft SSE swell at 14 seconds, combined energy 1892 – that’s excellent for experienced surfers, very clean, but hefty. Saturday 26 September morning rounds it out with clean 6ft SSE.
Overall, the best on offer is Sunday 13 September morning for the combo of size, long period, and clean offshores, and Saturday 19 September morning for that very long period groundswell with glassy conditions.
Stay keen.
Rusty
Short Range ForecastMostly dry. Very mild (max 15°C on Sun morning, min 8°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Wed morning, min 9°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 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) | SSE 19 | S 18 | SSE 18 | SSE 17 | SSE 16 | SSE 15 | SSE 15 | S 14 | SSE 10 | SSE 12 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SE 10 | SSE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | S 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 72 | 169 | 102 | 95 | 354 | 1646 | 1346 | 1505 | 353 | 628 | 596 | 347 | 186 | 146 | 98 | 56 | 40 | 20 | 12 | 48 | 20 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | off | cross | cross-on | cross-off | off | cross | cross-off | cross-off | cross | cross-off | glassy | cross-on | cross-off | off | glassy | off | cross | cross-off | off |
High Tide | 6:09PM2.01m | 6:33AM1.95m | 6:53PM2.05m | 7:17AM1.99m | 7:34PM2.05m | 8:00AM2.01m | 8:14PM2.02m | 8:43AM2.00m | 8:56PM1.97m | 9:25AM1.96m | 9:40PM1.91m | 10:09AM1.91m | 10:25PM1.84m | ||||||||
Low Tide | 11:50AM0.46m | 00:26AM0.48m | 12:37PM0.42m | 1:10AM0.44m | 1:23PM0.42m | 1:52AM0.42m | 2:08PM0.44m | 2:32AM0.43m | 2:52PM0.48m | 3:13AM0.47m | 3:37PM0.54m | 3:56AM0.53m | 4:21PM0.61m | ||||||||
 |  |  | | | | | |  |  | | | | | | | | | | | | |
 | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — |
 | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 13 | 12 | 12 | 12 | 10 | 15 | 14 | 11 | 10 | 13 | 12 | 13 | 14 | 12 | 19 | 17 | 14 | 14 | 14 | 12 |
Feels °C | 8 | 11 | 8 | 6 | 8 | 7 | 9 | 8 | 8 | 7 | 11 | 10 | 11 | 12 | 10 | 16 | 15 | 10 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | S 7 | S 7 | SSE 17 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 10 | SSE 12 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SE 10 | SSE 9 | SE 9 | SE 9 | S 4 | S 6 | S 6 |
| kJ | 21 | 35 | 24 | 95 | 354 | 1646 | 1346 | 886 | 353 | 628 | 596 | 347 | 186 | 146 | 98 | 56 | 40 | 20 | 9 | 26 | 18 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 18 | SSE 18 | ESE 6 | SSE 6 | E 8 | E 8 | E 12 | SSE 15 | E 9 | E 8 | E 9 | E 9 | S 16 | S 15 | E 12 | S 14 | SE 10 | SE 9 | SSE 15 | S 14 |
| kJ | 18 | 169 | 102 | 4 | 43 | 6 | 1 | 3 | 186 | 1 | 1 | 2 | 2 | 20 | 4 | 3 | 4 | 4 | 12 | 21 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 19 | ESE 7 | SE 7 | ENE 8 | E 8 | E 12 | E 12 | SE 11 | E 9 | ENE 9 | E 8 | E 9 | E 13 | E 8 | — | — | E 12 | S 13 | S 16 | ESE 13 | ESE 14 |
| kJ | 72 | 20 | 12 | 7 | 5 | 3 | 3 | 5 | 1 | 7 | 6 | 6 | 3 | 1 | — | — | 3 | 3 | 5 | 17 | 20 |
Wind waves Height (m) Direction Period (s) | SSW 7 | — | W 2 | S 5 | S 6 | — | — | S 14 | — | — | NE 2 | — | — | — | NNE 3 | — | — | — | SW 5 | SSW 6 | — |
| kJ | 18 | — | 1 | 35 | 77 | — | — | 1505 | — | — | 2 | — | — | — | 4 | — | — | — | 23 | 48 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 46 | 0 | 65 | 38 | 0 | 0 | 177 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 17 | 0 | 0 | 0 |
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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