Surf Forecasts:
Wainui Beach - Stockroute surf forecast from 7 Sep 2026:
- Best quality surf: Sunday 13 Sep, 12AM (local time) - 5.5ft (1.7m), 13s period, SSE swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 6AM (local time) - 11ft (3.5m), 9s period, S swell with 1,809 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 12AM (local time) - 5ft (1.6m), 8s period with SE 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 Wednesday (Sep 09) at 12AM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.1m and 15s. 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 3.5m 9s and forecast to arrive on Tuesday (Sep 08) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Friday (Sep 11) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 9th Sep) | 5ft (1.6m) 8s |
| Best Surf | 12AM (Sun 13th Sep) | 5.5ft (1.7m) 13s |
| Most Powerful | 6AM (Tue 8th Sep) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Wainui Beach - Stockroute over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s coming down the pipe for the next couple of weeks.
Well, we’re starting off a bit slow, but nothing to get too worried about. The first few days are a bit of a write-off for quality surfing, with windy and lumpy conditions. Tuesday has a solid 10ft of S swell, but it’s all over the shop with a fresh cross-shore wind and a messy chop – not worth the paddle. The long period groundswell coming through Friday and Saturday is just too small, with 1ft to 1ft waves, so it’s a real waiting game.
The real standout is Sunday, the 13th of September. This is the one to circle on the calendar. Wainui Beach – Stockroute (Gisborne) is going to be cooking. We’ve got a very consistent 6ft swell from the SSE, with a clean, gentle offshore breeze from the NW. The combined energy is strong at 1671, and for a spot that’s exposed to SSE swell, this is prime. The period is a very long 16 seconds, which means proper groundswell with heaps of power and shape. Just a heads-up, if you’re a beginner, 6ft is getting up there, and with that long period, it’ll be a lot of water moving. This is expert territory, and it’s going to be excellent. The crowd factor is a “sometimes” thing, so keep your eyes peeled.
The following week keeps things interesting. There’s another pulse coming through on Friday, the 18th of September. The morning session looks like the go, with a 10ft SSW swell and a moderate offshore WNW wind at 16 mph. The energy is firing at 2317, which is very strong. Bear in mind, at 10ft, this is strictly for advanced surfers only. The 10-second period will make it a bit more manageable than the long period stuff, but it’s still a solid, heavyweight wave. The afternoon goes a bit cross-off, but still clean.
The rest of the second week is a bit of a mixed bag. The swell drops off, but we’ve got a few mornings with clean conditions and small, rideable waves. The water temperature is about average for this time of year, so you’ll still want a decent spring suit.
In short, the first week is a slow burn, but the 13th and 18th are your days. The 13th is the pick of the lot for a clean, powerful, long-period groundswell. Get on it.
Rusty.
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Very mild (max 16°C on Thu morning, min 6°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, light winds from the WNW by Wed morning). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Fri afternoon. Very mild (max 17°C on Sun morning, min 6°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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 9 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SSE 16 | SSE 19 | SSE 19 | SSE 18 | SSE 17 | S 6 | SSE 13 | SSE 16 | SSE 16 | SSE 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1088 | 1629 | 976 | 319 | 211 | 192 | 122 | 65 | 56 | 48 | 74 | 117 | 103 | 57 | 104 | 1058 | 1654 | 1393 | 645 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | off | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross | off | off | cross-on | off | off | on | cross-off |
High Tide | 2:13AM1.74m | 2:51PM1.83m | 3:33AM1.75m | 4:11PM1.86m | 4:48AM1.81m | 5:18PM1.94m | 5:44AM1.88m | 6:09PM2.01m | 6:33AM1.95m | 6:53PM2.05m | 7:17AM1.99m | 7:34PM2.05m | |||||||
Low Tide | 8:34AM0.56m | 9:17PM0.66m | 9:47AM0.55m | 10:31PM0.62m | 10:55AM0.51m | 11:34PM0.55m | 11:50AM0.46m | 00:26AM0.48m | 12:37PM0.42m | 1:10AM0.44m | 1:23PM0.42m | 1:52AM0.42m | |||||||
 |  |  |  |  | |  | |  |  | | | | | | | | |  | |
 | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — |
 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:53 | — | — | 5:54 | — |
mm | 9 | 1 | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | 1 |
Temp °C | 11 | 10 | 10 | 9 | 11 | 12 | 9 | 16 | 16 | 12 | 12 | 10 | 9 | 12 | 12 | 10 | 17 | 15 | 13 |
Feels °C | 5 | 4 | 4 | 5 | 8 | 8 | 6 | 12 | 12 | 9 | 8 | 4 | 6 | 8 | 8 | 8 | 15 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | ESE 7 | SSE 19 | SSE 6 | S 6 | SSE 16 | SSE 13 | SSE 16 | SSE 16 | SSE 16 |
| kJ | 615 | 766 | 505 | 319 | 211 | 192 | 122 | 65 | 56 | 25 | 20 | 117 | 55 | 19 | 52 | 1058 | 1654 | 1393 | 645 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 15 | S 14 | E 15 | E 15 | E 15 | NE 8 | NE 8 | NE 9 | SSE 16 | SSE 19 | SE 7 | SSE 18 | SSE 17 | ENE 8 | E 8 | E 12 | E 12 | NE 8 |
| kJ | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 3 | 48 | 74 | 12 | 103 | 57 | 7 | 5 | 3 | 3 | 10 |
Swell 3 Height (m) Direction Period (s) | E 16 | — | E 16 | NNE 9 | S 21 | S 21 | E 14 | E 14 | E 14 | ENE 8 | SSE 13 | S 8 | SE 7 | SE 7 | E 13 | E 13 | ENE 12 | ENE 12 | NE 12 |
| kJ | 5 | — | 5 | 8 | 9 | 9 | 4 | 4 | 4 | 6 | 18 | 5 | 11 | 7 | 3 | 3 | 14 | 14 | 6 |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | SSE 8 | — | — | — | N 3 | — | NNE 3 | — | — | SSW 4 | — | — | S 6 | — | — | — | — |
| kJ | 1088 | 1629 | 976 | — | — | — | 1 | — | 1 | — | — | 10 | — | — | 104 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 97 | 65 | 65 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 46 | 0 | 0 | 3 | 0 |
Best forecast wave conditions in Gisborne and Mahia | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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