Surf Forecasts:
Dunedin - Cob Cottage surf forecast from 19 Aug 2026:
- Best quality surf: Thursday 20 Aug, 6AM (local time) - 6ft (1.9m), 12s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 9PM (local time) - 13ft (4.0m), 14s period, SW swell with 6,143 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 6AM (local time) - 6ft (1.9m), 12s period with SSW 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 Thursday (Aug 20) at 6AM. The primary swell is predicted to be 1.9m and 12s period with a secondary swell of 1.5m and 11s. Another secondary swell of 0.4m and 16s is also forecast. 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 14s and forecast to arrive on Sunday (Aug 23) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Tuesday (Aug 25) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Thu 20th Aug) | 6ft (1.9m) 12s |
| Best Surf | 6AM (Thu 20th Aug) | 6ft (1.9m) 12s |
| Most Powerful | 9PM (Sun 23rd Aug) | 13ft (4.0m) 14s |
Table - best surf conditions forecast for Dunedin - Cob Cottage over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 5°C on Fri morning). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 14mm), heaviest on Tue afternoon. Very mild (max 15°C on Tue morning, min 5°C on Sun afternoon). Winds increasing (calm on Sat night, fresh winds from the W by Sun afternoon). | ||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
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 12 | S 11 | S 16 | S 14 | S 11 | S 10 | S 10 | S 10 | S 9 | S 18 | SW 7 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 1185 | 466 | 326 | 674 | 279 | 198 | 125 | 68 | 27 | 55 | 121 | 624 | 2584 | 1680 | 1500 | 1035 | 366 | 557 | 2108 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | glassy | cross-off | cross-off | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:44AM1.54m | 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 | |||||||
Low Tide | 2:26AM0.44m | 3:00PM0.52m | 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 | |||||||
 |  | |  | | | |  | |  | |  | | | |  | |  | | |
 | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — |
 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | 3 | 1 | — | — | — | — | 9 | 1 |
Temp °C | 8 | 10 | 11 | 8 | 9 | 12 | 10 | 13 | 15 | 10 | 9 | 6 | 9 | 13 | 14 | 9 | 15 | 9 | 7 |
Feels °C | 3 | 5 | 7 | 5 | 7 | 10 | 7 | 10 | 13 | 9 | 1 | -3 | 2 | 9 | 10 | 6 | 11 | 5 | 2 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 14 | S 11 | S 10 | S 10 | S 10 | S 9 | NE 6 | NE 7 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 584 | 466 | 254 | 674 | 279 | 198 | 125 | 68 | 27 | 30 | 42 | 624 | 2584 | 1680 | 1500 | 1035 | 366 | 557 | 704 |
Swell 2 Height (m) Direction Period (s) | E 9 | S 17 | S 16 | E 9 | SSW 15 | SSW 14 | NE 4 | NE 4 | SSW 16 | S 9 | SSW 17 | NE 8 | ESE 14 | ESE 13 | ESE 14 | SE 14 | SSW 10 | NE 5 | NE 6 |
| kJ | 16 | 92 | 326 | 6 | 72 | 21 | 6 | 5 | 26 | 15 | 101 | 15 | 36 | 34 | 40 | 54 | 102 | 10 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 12 | E 9 | E 9 | SE 12 | E 8 | E 10 | SSW 13 | SW 13 | E 16 | S 18 | ESE 14 | ESE 13 | — | — | — | — | NE 5 | SE 14 | SE 14 |
| kJ | 23 | 15 | 6 | 6 | 6 | 7 | 17 | 7 | 5 | 55 | 36 | 35 | — | — | — | — | 18 | 32 | 32 |
Wind waves Height (m) Direction Period (s) | SSW 12 | — | — | — | NNE 3 | NE 4 | NNE 4 | — | NE 5 | SW 5 | SW 7 | WSW 5 | W 4 | NW 3 | — | NNE 4 | NNE 6 | — | SW 13 |
| kJ | 1185 | — | — | — | 1 | 2 | 12 | — | 12 | 11 | 121 | 71 | 21 | 5 | — | 3 | 40 | — | 2108 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 95 | 490 | 73 | 0 | 0 | 0 | 0 | 35 | 87 |
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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