
Surf Forecasts:
Wainui Beach - Stockroute surf forecast from 3 Sep 2026:
- Best quality surf: Friday 4 Sep, 6AM (local time) - 2.5ft (0.7m), 11s period, SSE swell with offshore winds.
- Most powerful swell: Wednesday 9 Sep, 6AM (local time) - 4.5ft (1.4m), 7s period, S swell with 187 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 6AM (local time) - 2.5ft (0.7m), 11s period with SSE 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 04) at 6AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.1m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Wainui Beach - Stockroute in the next 16 days are 1.4m 7s and forecast to arrive on Wednesday (Sep 09) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (Sep 04) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 4th Sep) | 2.5ft (0.7m) 11s |
| Best Surf | 6AM (Fri 4th Sep) | 2.5ft (0.7m) 11s |
| Most Powerful | 6AM (Wed 9th Sep) | 4.5ft (1.4m) 7s |
Table - best surf conditions forecast for Wainui Beach - Stockroute over the next 16 days.
The Lowdown
G'day, Rusty here. Alright, we’ve got a mixed bag coming our way at Wainui Beach – Stockroute over the next couple of weeks. The water's sitting at 55°, which is a bit colder than normal for this time of year, so you’ll want a good wetsuit.
The run starts on Thursday afternoon, September 3rd. We’ve got a solid 3ft SSE groundswell with a nice long 13-second period rolling in. The wind is WNW, light and offshore, setting up clean, groomed lines. The combined energy is a solid 318 (moderate), and this is actually the best session in the first week. It’s advanced-level surf, and it’s very consistent, but be aware that crowds can show up here. This is the standout in the early days.
Friday and Saturday are a real letdown. The swell drops right off, getting under 2ft, and the wind swings around to cross-off or cross-on. Saturday morning has a light offshore breeze but with a tiny 1ft of swell, you’d be luckier to find a ripple. The pocket stays deep and quiet through the start of the next week.
By Sunday morning, September 6th, there’s a faint pulse with 2ft SSE swell and a moderate WNW offshore blowing, but it’s ordinary at best—not worth paddling out for. A short window of glassy conditions pops up on Tuesday morning, September 8th, but the swell is only 0.7ft. Nothing doing.
Then we get a spike Wednesday morning, September 9th: 4ft of S swell but with a short, weak 7-second period (combined energy 206). A cross-off SW breeze keeps it clean, but the quality isn’t there for a good session. The following days stay small and messy until Friday morning, September 11th.
Now, here’s something to keep an eye on. Friday morning, September 11th, sees a tiny 1.0ft SSE groundswell, but check the period—22 seconds! Very long-period energy (combined energy 258, moderate) and a gentle offshore WNW breeze. It’s going to be clean but those long-period swells at a beach and reef setup like this can break a bit straight, so you’ll want to hunt for a wedge. A promising but cautious call.
Saturday morning, September 12th, holds similar: 1ft SSE swell with an 18-second period and a light WNW offshore. It’s clean and rideable, but don’t expect much push. Then Sunday, September 13th, the ocean turns angry. An 8ft SSW swell on Sunday morning moves into 20ft S swell by Monday, September 14th, with combined energy readings skyrocketing into the thousands—24543 (very strong). The wind is cross-off SW, so it’s clean, but this is expert-only territory. The swell is too big for the break to handle for most surfers. If you’re an absolute charger with a big-wave gun, you might look at it, but realistically, this setup looks more interesting for kite surfing than paddle surfing.
The swell eases through Tuesday, September 15th, and by Wednesday morning, September 16th, we get a nice 3ft SE swell with a moderate 11-second period and a light NNW cross-off breeze. It’s clean, the combined energy is 268 (moderate), and it’s a solid end to the outlook. That Wednesday morning is another good shout for a fun session after all the chaos.
Overall, Thursday September 3rd afternoon is your best bet in the first week, and Wednesday September 16th morning is the pick of the second week—just remember long-range forecasts can shift, so keep an eye on it.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Thu afternoon, min 8°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Mon night. Very mild (max 17°C on Mon morning, min 9°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
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 13 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 8 | SSE 8 | SSE 11 | SSE 11 | SSE 18 | SSE 17 | S 16 | S 16 | S 15 | S 12 | SSE 7 | S 7 | S 7 | SSE 6 | SSE 8 |
Wave Graph | ||||||||||||||||||||
312 | 158 | 79 | 41 | 18 | 24 | 53 | 25 | 64 | 61 | 96 | 21 | 20 | 18 | 11 | 42 | 79 | 130 | 60 | 66 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | off | off | cross-on | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross-off | cross-on | cross-off |
High Tide | 10:35PM1.94m | 11:03AM1.96m | 11:23PM1.89m | 11:55AM1.92m | 00:14AM1.84m | 12:49PM1.88m | 1:09AM1.78m | 1:45PM1.84m | 2:13AM1.74m | 2:51PM1.83m | 3:33AM1.75m | 4:11PM1.86m | ||||||||
Low Tide | 4:22PM0.50m | 4:53AM0.45m | 5:11PM0.54m | 5:44AM0.47m | 6:05PM0.58m | 6:37AM0.51m | 7:03PM0.63m | 7:32AM0.54m | 8:06PM0.66m | 8:34AM0.56m | 9:17PM0.66m | 9:47AM0.55m | 10:31PM0.62m | |||||||
— | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | |
5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 8 | — | — | 5 | 1 | — | — |
Temp °C | 20 | 15 | 17 | 18 | 15 | 15 | 14 | 12 | 16 | 15 | 16 | 17 | 17 | 12 | 15 | 16 | 11 | 11 | 11 | 8 |
Feels °C | 16 | 11 | 12 | 13 | 10 | 11 | 9 | 9 | 11 | 10 | 14 | 15 | 14 | 11 | 14 | 15 | 7 | 6 | 7 | 5 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 11 | SSE 10 | SSE 10 | SSE 8 | SSE 8 | SSE 9 | SSE 11 | SSE 9 | SSE 17 | SSE 11 | NE 6 | SSE 9 | SSE 9 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 8 |
312 | 158 | 79 | 41 | 18 | 24 | 53 | 15 | 64 | 27 | 96 | 12 | 8 | 17 | 8 | 42 | 35 | 70 | 60 | 66 | |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | S 16 | S 15 | S 15 | ENE 4 | — | SSE 18 | E 10 | S 16 | SSE 9 | ENE 5 | NE 5 | ENE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 8 |
2 | 2 | 2 | 2 | 5 | 4 | 4 | 3 | — | 61 | 2 | 21 | 8 | 2 | 1 | 4 | 5 | 4 | 8 | 6 | |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | — | S 18 | NE 4 | E 10 | E 10 | SSE 11 | E 10 | E 10 | NE 10 | NE 5 | S 16 | S 15 | S 12 | SSE 12 | SSE 11 | E 9 | E 15 | S 16 |
4 | 4 | — | 6 | 1 | 2 | 2 | 25 | 2 | 2 | 4 | 1 | 20 | 18 | 11 | 15 | 12 | 2 | 4 | 5 | |
Wind waves Height (m) Direction Period (s) | — | NW 2 | — | NW 3 | — | — | ENE 2 | — | — | — | — | ENE 3 | — | WNW 2 | WSW 2 | — | S 7 | S 7 | — | N 3 |
— | 1 | — | 2 | — | — | 1 | — | — | — | — | 1 | — | 1 | 1 | — | 79 | 130 | — | 1 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 39 | 38 | 8 | 0 | 0 | 0 | 0 | 48 | 6 | 40 | 17 | 0 | 40 | 51 | 40 | 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.










