Surf Forecasts:
Wainui Beach - Stockroute surf forecast from 18 Jul 2026:
- Best quality surf: Sunday 19 Jul, 12AM (local time) - 5ft (1.6m), 21s period, SSE swell with offshore winds.
- Most powerful swell: Monday 20 Jul, 9PM (local time) - 6ft (1.9m), 19s period, SSE swell with 2,696 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 12AM (local time) - 5ft (1.6m), 21s 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 Sunday (Jul 19) at 12AM. The primary swell is predicted to be 1.6m and 21s period with a secondary swell of 1.2m and 13s. 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 1.9m 19s and forecast to arrive on Monday (Jul 20) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Friday (Jul 24) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Sun 19th Jul) | 5ft (1.6m) 21s |
| Best Surf | 12AM (Sun 19th Jul) | 5ft (1.6m) 21s |
| Most Powerful | 9PM (Mon 20th Jul) | 6ft (1.9m) 19s |
Table - best surf conditions forecast for Wainui Beach - Stockroute over the next 16 days.
The Lowdown
Alright, Rusty here, let’s talk about what’s coming up at Wainui Beach.
The first real opportunity won’t be until Sunday morning, the 19th of July. Before that, it’s looking pretty flat and messy. So, a couple of days of waiting.
The standout window is hands down Sunday morning, the 19th of July. We’ve got a solid 5ft swell rolling in from the SSE with a very long period of 18 seconds. That’s proper groundswell. The wind is offshore from the WNW, light at 6 mph, which means clean, open faces. The combined energy is strong (1798). This is a classic setup for Wainui Beach – Stockroute. It’s a beach and reef, so that long period will wrap in nicely, but it won’t be for the faint-hearted. This is advanced territory with that size and power. The water is sitting at 56°, a bit colder than the average for this time of year.
Monday the 20th and Tuesday the 21st have some swell, but the wind is a problem. On Monday, it’s cross-shore and lumpy. Tuesday morning, however, is a beauty. The swell drops a touch to 5ft from the SSE, but the wind goes glassy. Absolutely zero breeze. That’s a major positive. The wave energy is still strong (1396), and it’ll be a clean, less crowded session than Sunday. After Tuesday, the swell starts to fade. The rest of the week looks small and ordinary.
The second week has a few pulses. The 26th of July (Sunday) shows a spike in size, around 8ft to 8ft, but it’s from the SSE with a short period of 8 seconds and a strong, fresh cross-shore wind. That’s going to be a lumpy, choppy mess. Not for paddling. If you’re into kiting, that setup might be your thing, but for a surfboard, it’s a no-go. The 27th of July (Monday) shows a similar size with a slightly better period, but still strong winds. It’s a marginal call at best.
Further out, the 2nd of August (Sunday) has a little push of 3ft from the SSE with a good period of 15 seconds, but the wind is a fresh cross-off from the SW, so it’s not clean. The energy is moderate (782). It’s a long-range guess, so not a solid bet.
Honestly, if you can get out on Sunday the 19th morning, that’s your best shot. Tuesday the 21st morning is the next best, glassy and clean. After that, it’s a waiting game for clean conditions.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Very mild (max 14°C on Sun morning, min 8°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Fri morning, min 7°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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) | ESE 14 | SSE 21 | SSE 18 | SSE 17 | SSE 16 | SSE 15 | SSE 19 | SSE 19 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | NE 6 | NE 6 | NE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 586 | 2124 | 1377 | 908 | 644 | 487 | 1310 | 2585 | 1327 | 867 | 529 | 253 | 167 | 153 | 109 | 95 | 28 | 38 | 34 | 33 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | off | cross | cross | cross | cross | cross | glassy | glassy | cross-off | off | on | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:21PM2.12m | 9:45AM2.01m | 10:13PM2.11m | 10:36AM2.00m | 11:02PM2.08m | 11:25AM1.98m | 11:47PM2.03m | 12:13PM1.94m | 00:29AM1.96m | 12:59PM1.88m | 1:10AM1.87m | 1:42PM1.82m | 1:52AM1.78m | |||||||
Low Tide | 3:01PM0.47m | 3:41AM0.52m | 3:54PM0.50m | 4:31AM0.53m | 4:45PM0.54m | 5:19AM0.54m | 5:32PM0.59m | 6:06AM0.56m | 6:19PM0.64m | 6:49AM0.58m | 7:05PM0.70m | 7:32AM0.62m | 7:52PM0.75m | |||||||
 |  | | |  |  |  | | | |  | | | | | |  | | | | |
 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — |
 | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — |
mm | — | — | — | — | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 3 |
Temp °C | 11 | 9 | 14 | 13 | 11 | 12 | 12 | 11 | 11 | 11 | 9 | 11 | 11 | 10 | 11 | 14 | 9 | 15 | 15 | 12 |
Feels °C | 8 | 7 | 11 | 8 | 9 | 8 | 7 | 7 | 9 | 9 | 6 | 9 | 8 | 8 | 8 | 10 | 4 | 10 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | ESE 14 | SSE 21 | SSE 18 | SSE 17 | SSE 16 | SSE 15 | SSE 19 | SSE 19 | SSE 16 | SSE 15 | SSE 14 | SSE 13 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 586 | 2124 | 1377 | 908 | 644 | 487 | 1310 | 2585 | 1327 | 867 | 529 | 253 | 167 | 153 | 109 | 95 | 28 | 12 | 12 | 14 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | SSE 6 | SSE 6 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | ENE 5 | ESE 10 | ESE 11 | ESE 10 |
| kJ | 158 | 506 | 421 | 317 | 210 | 45 | 42 | 98 | 69 | 69 | 64 | 42 | 43 | 43 | 24 | 23 | 6 | 10 | 11 | 10 |
Swell 3 Height (m) Direction Period (s) | S 24 | — | — | — | S 5 | ESE 12 | ESE 12 | — | — | — | — | E 4 | — | E 4 | E 4 | E 6 | ESE 11 | SSE 11 | SSE 9 | SE 9 |
| kJ | 432 | — | — | — | 28 | 161 | 158 | — | — | — | — | 1 | — | 1 | 2 | 6 | 22 | 11 | 8 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 4 | S 5 | S 6 | — | — | — | — | — | — | — | — | — | ENE 6 | — | NE 6 | NE 6 | NE 6 |
| kJ | — | — | — | 10 | 36 | 78 | — | — | — | — | — | — | — | — | — | 13 | — | 38 | 34 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 38 | 0 | 0 | 65 | 13 | 13 | 46 | 13 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 0 | 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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