Surf Forecasts:
Dunedin - Cob Cottage surf forecast from 20 Aug 2026:
- Best quality surf: Monday 24 Aug, 9AM (local time) - 5ft (1.6m), 10s period, SSW swell with offshore winds.
- Most powerful swell: Monday 24 Aug, 12AM (local time) - 13ft (4.0m), 13s period, SW swell with 4,498 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 6AM (local time) - 3.5ft (1.1m), 11s period with S swell.
Best Forecast Surf Conditions for Dunedin - Cob Cottage this week:
The surf forecast for Dunedin - Cob Cottage over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 6AM. The primary swell is predicted to be 1.1m and 11s period with a secondary swell of 0.3m and 15s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dunedin - Cob Cottage in the next 16 days are 4.0m 13s and forecast to arrive on Monday (Aug 24) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Thursday (Aug 27) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 21st Aug) | 3.5ft (1.1m) 11s |
| Best Surf | 9AM (Mon 24th Aug) | 5ft (1.6m) 10s |
| Most Powerful | 12AM (Mon 24th Aug) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Dunedin - Cob Cottage over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Very mild (max 15°C on Sat afternoon, min 5°C on Fri morning). Winds increasing (calm on Fri morning, strong winds from the W by Sun morning). | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Tue night. Very mild (max 16°C on Tue morning, min 4°C on Sun night). Winds decreasing (fresh winds from the W on Tue night, light winds from the SSE by Wed afternoon). | ||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
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 14 | S 11 | S 10 | S 10 | S 10 | S 9 | S 18 | SSW 17 | SW 10 | SW 13 | SSW 10 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 13 | S 13 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 674 | 279 | 198 | 125 | 71 | 45 | 55 | 97 | 1267 | 4498 | 566 | 507 | 892 | 651 | 752 | 886 | 539 | 506 | 411 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | glassy | cross-off | cross-off | cross | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-on | cross |
High Tide | 9:10PM1.47m | 9:49AM1.53m | 10:13PM1.46m | 10:48AM1.55m | 11:09PM1.48m | 11:40AM1.59m | 11:57PM1.52m | 12:24PM1.64m | 00:39AM1.57m | 1:04PM1.69m | 1:17AM1.62m | 1:41PM1.74m | 1:53AM1.67m | ||||||
Low Tide | 3:22AM0.49m | 3:58PM0.55m | 4:17AM0.50m | 4:52PM0.54m | 5:08AM0.48m | 5:41PM0.51m | 5:54AM0.43m | 6:25PM0.45m | 6:37AM0.36m | 7:05PM0.39m | 7:17AM0.30m | 7:44PM0.33m | |||||||
 |  | |  | | | |  |  |  | | | | | |  |  | |  | |
 | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — |
 | — | — | 5:54 | — | — | 5:55 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | 1 | 3 | 2 | — | — | — | — | — | 7 | — | — | 1 |
Temp °C | 8 | 9 | 11 | 9 | 13 | 15 | 10 | 8 | 7 | 7 | 13 | 14 | 10 | 16 | 16 | 15 | 9 | 10 | 7 |
Feels °C | 5 | 7 | 9 | 6 | 10 | 12 | 7 | 0 | -2 | 0 | 8 | 9 | 7 | 13 | 12 | 7 | 5 | 7 | 3 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 11 | S 10 | S 10 | S 10 | S 9 | NE 6 | ENE 8 | NE 8 | SSW 13 | SSW 10 | S 10 | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 13 | S 13 | S 12 |
| kJ | 674 | 279 | 198 | 125 | 71 | 45 | 78 | 106 | 32 | 1990 | 566 | 313 | 892 | 651 | 752 | 886 | 539 | 506 | 411 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSW 14 | ENE 4 | NE 4 | NE 5 | SSW 16 | S 9 | SSW 17 | S 18 | ESE 14 | SSW 15 | SSW 15 | SE 14 | SE 14 | NE 5 | NE 5 | SE 14 | SE 14 | ESE 13 |
| kJ | 6 | 41 | 1 | 4 | 6 | 27 | 15 | 97 | 156 | 18 | 474 | 507 | 32 | 31 | 3 | 4 | 31 | 31 | 17 |
Swell 3 Height (m) Direction Period (s) | SE 12 | E 9 | SSW 14 | SSW 13 | S 18 | S 20 | S 18 | ESE 14 | ESE 14 | ENE 10 | ESE 14 | ESE 14 | NE 8 | — | SE 14 | SE 14 | NE 5 | NE 5 | ESE 13 |
| kJ | 6 | 6 | 21 | 17 | 25 | 8 | 55 | 36 | 36 | 9 | 18 | 20 | 3 | — | 30 | 31 | 4 | 1 | 16 |
Wind waves Height (m) Direction Period (s) | WNW 3 | NNE 3 | — | NNE 4 | NNE 4 | NE 5 | NE 6 | W 3 | SW 10 | SW 13 | W 4 | — | NNE 3 | NE 4 | — | — | — | NNE 5 | NE 5 |
| kJ | 1 | 3 | — | 10 | 14 | 23 | 152 | 10 | 1267 | 4498 | 7 | — | 2 | 5 | — | — | — | 2 | 35 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 570 | 878 | 191 | 0 | 0 | 0 | 0 | 0 | 87 | 0 | 35 | 2 |
Best forecast wave conditions in Otago | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Dunedin - Cob Cottage Surf forecast
The above surf forecast table for Dunedin - Cob Cottage provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dunedin - Cob Cottage can be found by selecting the local surf guide option on the grey menu. Our Dunedin - Cob Cottage 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 (Dunedin - Cob Cottage) 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 Dunedin - Cob Cottage 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.
Dunedin - Cob Cottage is 17 km (11 miles) from Dunedin. If you plan a holiday in Otago, look for hotels and other accommodation in Dunedin. Dunedin has rooms for a wide range of budgets as well as car hire and transport links.
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