Surf Forecasts:
Otago Peninsula - Allans Beach surf forecast from 25 Aug 2026:
- Best quality surf: Monday 31 Aug, 3AM (local time) - 15ft (4.5m), 16s period, SSW swell with cross-shore winds.
- Most powerful swell: Monday 31 Aug, 3AM (local time) - 15ft (4.5m), 16s period, SSW swell with 9,057 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 6AM (local time) - 4.5ft (1.3m), 12s period with S swell.
Best Forecast Surf Conditions for Otago Peninsula - Allans Beach this week:
The surf forecast for Otago Peninsula - Allans Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 6AM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.1m and 16s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Otago Peninsula - Allans Beach in the next 16 days are 4.5m 16s and forecast to arrive on Monday (Aug 31) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 7s period and expected on Thursday (Aug 27) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 28th Aug) | 4.5ft (1.3m) 12s |
| Best Surf | 3AM (Mon 31st Aug) | 15ft (4.5m) 16s |
| Most Powerful | 3AM (Mon 31st Aug) | 15ft (4.5m) 16s |
Table - best surf conditions forecast for Otago Peninsula - Allans Beach over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Wed morning. Very mild (max 12°C on Tue night, min 6°C on Wed night). Winds increasing (light winds from the W on Tue night, near gales from the NE by Thu afternoon). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Very mild (max 13°C on Fri afternoon, min 4°C on Sun night). Winds increasing (light winds from the NNW on Fri night, near gales from the SW by Sun morning). | |||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||
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) | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 16 | S 13 | S 13 | S 12 | SSW 12 | S 10 | SW 6 | SW 8 | SSW 19 | SSW 7 | SW 13 | SSW 14 | SSW 16 | SSW 15 | SSW 14 | SW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2412 | 1945 | 1734 | 1719 | 4026 | 2468 | 1606 | 734 | 215 | 167 | 167 | 151 | 136 | 34 | 1446 | 6647 | 7445 | 3933 | 2710 | 4881 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | off | cross-on | cross-on | off | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross-on | cross-off |
High Tide | 2:12AM1.59m | 2:36PM1.68m | 2:53AM1.62m | 3:17PM1.70m | 3:33AM1.64m | 3:57PM1.71m | 4:14AM1.65m | 4:38PM1.70m | 4:56AM1.66m | 5:20PM1.68m | 5:40AM1.66m | 6:04PM1.65m | ||||||||
Low Tide | 8:15PM0.33m | 8:28AM0.27m | 8:56PM0.29m | 9:10AM0.23m | 9:36PM0.25m | 9:50AM0.20m | 10:14PM0.23m | 10:30AM0.18m | 10:53PM0.21m | 11:10AM0.17m | 11:32PM0.21m | 11:53AM0.18m | 00:14AM0.21m | |||||||
 |  |  |  |  | | | | |  | |  | | | | | | | |  | |
 | — | — | 7:18 | — | — | 7:16 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — |
 | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:04 | — | — | 6:05 | — | — | 6:06 | — |
mm | — | 2 | 6 | 2 | — | 1 | 1 | — | — | — | — | — | — | 1 | — | 2 | 1 | — | — | — |
Temp °C | 11 | 12 | 9 | 8 | 7 | 7 | 8 | 9 | 12 | 13 | 11 | 10 | 11 | 10 | 7 | 7 | 5 | 12 | 13 | 10 |
Feels °C | 6 | 10 | 6 | 3 | 2 | -3 | -3 | 0 | 10 | 9 | 4 | 5 | 5 | 7 | -4 | -5 | -5 | 5 | 6 | 4 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 16 | S 13 | S 13 | S 12 | NE 9 | ENE 10 | NE 9 | SW 8 | SSW 8 | NE 5 | NE 8 | NE 8 | — | SSW 15 | SSW 14 | SSW 12 |
| kJ | 2412 | 1945 | 1734 | 1719 | 4026 | 2468 | 1606 | 734 | 968 | 932 | 382 | 151 | 76 | 38 | 49 | 15 | — | 3933 | 2710 | 2210 |
Swell 2 Height (m) Direction Period (s) | NE 5 | ESE 13 | ESE 14 | S 16 | ESE 13 | ESE 12 | — | E 16 | SSW 12 | S 10 | SSE 10 | NE 8 | SW 13 | ENE 8 | SSW 16 | SE 12 | — | ENE 10 | NE 9 | ENE 9 |
| kJ | 3 | 18 | 38 | 659 | 16 | 13 | — | 5 | 215 | 167 | 141 | 100 | 82 | 44 | 52 | 6 | — | 9 | 13 | 8 |
Swell 3 Height (m) Direction Period (s) | ESE 14 | NE 6 | — | ESE 13 | — | — | — | — | SSE 10 | SW 12 | SSW 11 | S 10 | SSW 19 | SSW 7 | ESE 12 | — | — | SE 11 | SE 11 | SE 11 |
| kJ | 36 | 6 | — | 34 | — | — | — | — | 177 | 140 | 107 | 47 | 136 | 34 | 14 | — | — | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 4 | NE 6 | NE 8 | NE 9 | — | SW 6 | — | NE 9 | — | SW 13 | SSW 14 | SSW 16 | — | — | SW 13 |
| kJ | — | — | — | — | — | 33 | 374 | 930 | 1236 | — | 167 | — | 225 | — | 1446 | 6647 | 7445 | — | — | 4881 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 68 | 4 | 4 | 20 | 255 | 261 | 466 | 29 | 0 | 4 | 4 | 0 | 11 | 4 | 261 | 392 | 45 | 29 | 9 | 8 |
Best forecast wave conditions in Otago | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Otago Peninsula - Allans Beach Surf forecast
The above surf forecast table for Otago Peninsula - Allans Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Otago Peninsula - Allans Beach can be found by selecting the local surf guide option on the grey menu. Our Otago Peninsula - Allans Beach 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 (Otago Peninsula - Allans Beach) 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 Otago Peninsula - Allans Beach 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.
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