Surf Forecasts:
Wainakarua River Mouth surf forecast from 31 Jul 2026:
- Best quality surf: Saturday 1 Aug, 9AM (local time) - 8ft (2.5m), 12s period, SSE swell with offshore winds.
- Most powerful swell: Tuesday 4 Aug, 3AM (local time) - 13ft (4.0m), 14s period, SSW swell with 5,929 kJ wave energy.
- Next surfable swell (1★+): Saturday 1 Aug, 9AM (local time) - 8ft (2.5m), 12s period with SSE swell.
Best Forecast Surf Conditions for Wainakarua River Mouth this week:
The surf forecast for Wainakarua River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 01) at 9AM. The primary swell is predicted to be 2.5m and 12s period with a secondary swell of 0.3m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Wainakarua River Mouth in the next 16 days are 4.0m 14s and forecast to arrive on Tuesday (Aug 04) 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 1.5m 6s period and expected on Monday (Aug 03) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sat 1st Aug) | 8ft (2.5m) 12s |
| Best Surf | 9AM (Sat 1st Aug) | 8ft (2.5m) 12s |
| Most Powerful | 3AM (Tue 4th Aug) | 13ft (4.0m) 14s |
Table - best surf conditions forecast for Wainakarua River Mouth over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon morning. Very mild (max 12°C on Sun afternoon, min 4°C on Sat morning). Winds increasing (calm on Sun afternoon, strong winds from the SW by Mon night). | Days 4-6 Weather SummaryMostly dry. Mild temperatures (max 8°C on Tue morning, min 3°C on Wed night). Winds decreasing (strong winds from the WSW on Tue morning, calm by Thu morning). | ||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | |||||||||||||||
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 12 | SSE 11 | SSE 10 | SE 12 | SSE 12 | SE 12 | S 13 | S 15 | S 14 | SSE 15 | SSE 13 | SSE 12 | SSE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 16 | SSE 14 | SSE 12 | SSE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1745 | 890 | 371 | 442 | 371 | 199 | 222 | 1793 | 1905 | 2664 | 1624 | 1036 | 686 | 400 | 570 | 363 | 207 | 1872 | 790 | 433 | 256 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | on | off | glassy | cross-on | cross | cross | cross-on | cross-off |
High Tide | 5:03PM1.68m | 5:17AM1.58m | 5:42PM1.65m | 5:59AM1.57m | 6:24PM1.61m | 6:45AM1.56m | 7:11PM1.57m | 7:38AM1.56m | 8:05PM1.55m | 8:38AM1.58m | 9:07PM1.54m | 9:44AM1.63m | 10:12PM1.57m | ||||||||
Low Tide | 10:51AM0.26m | 11:21PM0.33m | 11:34AM0.28m | 00:03AM0.34m | 12:20PM0.32m | 00:49AM0.36m | 1:10PM0.35m | 1:38AM0.37m | 2:05PM0.38m | 2:32AM0.37m | 3:05PM0.38m | 3:30AM0.34m | 4:07PM0.36m | ||||||||
 |  |  | | | |  | |  | | | | | | | | | | | | | |
 | 7:54 | — | — | 7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:48 | — | — | 7:48 | — | — | 7:47 | — | — |
 | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 7 | 8 | 8 | 11 | 12 | 10 | 10 | 7 | 7 | 8 | 8 | 5 | 6 | 7 | 4 | 6 | 7 | 4 | 6 | 7 | 6 |
Feels °C | 1 | 3 | 3 | 8 | 10 | 6 | 5 | -1 | -3 | -2 | -1 | 0 | 3 | 4 | 1 | 2 | 3 | 0 | 1 | 1 | 2 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 11 | SSE 10 | SE 12 | SSE 12 | SE 12 | S 13 | SE 12 | S 14 | SSE 15 | SSE 13 | SSE 12 | SSE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SSE 16 | SSE 14 | SSE 12 | SSE 11 |
| kJ | 1745 | 890 | 371 | 442 | 371 | 199 | 222 | 21 | 1905 | 2664 | 1624 | 1036 | 686 | 400 | 570 | 363 | 207 | 1872 | 790 | 433 | 256 |
Swell 2 Height (m) Direction Period (s) | E 11 | SE 14 | SE 13 | S 9 | S 12 | S 12 | SE 12 | E 15 | — | — | E 13 | — | E 19 | SSE 11 | SE 16 | SE 15 | SE 13 | SE 11 | SE 12 | ENE 4 | ENE 5 |
| kJ | 20 | 261 | 196 | 58 | 25 | 110 | 89 | 4 | — | — | 3 | — | 7 | 126 | 42 | 33 | 111 | 110 | 98 | 3 | 7 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | NE 8 | E 9 | E 17 | S 20 | SSE 19 | SSE 18 | E 14 | — | — | — | — | E 12 | SE 18 | SE 16 | SE 14 | S 13 | SE 13 | — | — | SE 15 |
| kJ | 7 | 3 | 2 | 5 | 33 | 119 | 103 | 4 | — | — | — | — | 3 | 12 | 119 | 162 | 13 | 108 | — | — | 9 |
Wind waves Height (m) Direction Period (s) | — | WSW 3 | WNW 2 | — | — | — | WNW 2 | S 15 | W 4 | W 4 | — | — | — | — | — | — | — | — | ENE 4 | NE 4 | — |
| kJ | — | 3 | 1 | — | — | — | 1 | 1793 | 5 | 9 | — | — | — | — | — | — | — | — | 2 | 8 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 247 | 97 | 99 | 216 | 0 | 0 | 11 | 0 | 0 | 11 | 9 | 9 | 175 | 0 |
Best forecast wave conditions in Otago | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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Information about the Wainakarua River Mouth Surf forecast
The above surf forecast table for Wainakarua River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Wainakarua River Mouth can be found by selecting the local surf guide option on the grey menu. Our Wainakarua River Mouth 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 (Wainakarua River Mouth) 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 Wainakarua River Mouth 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 Otago? If you are looking for accommodation near Wainakarua River Mouth, camping, hotels and holiday cottages in Otago, consider staying in Dunedin which is 72 km (45 miles) away.
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