Surf Forecasts:
Dunedin - Cob Cottage surf forecast from 18 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 12PM (local time) - 8ft (2.5m), 14s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 25 Aug, 12PM (local time) - 8ft (2.5m), 14s period, SW swell with 2,557 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 6AM (local time) - 7.5ft (2.3m), 14s 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 Wednesday (Aug 19) at 6AM. The primary swell is predicted to be 2.3m and 14s period with a secondary swell of 0.3m and 10s. 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 2.5m 14s and forecast to arrive on Tuesday (Aug 25) at 12PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Wednesday (Aug 19) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 19th Aug) | 7.5ft (2.3m) 14s |
| Best Surf | 12PM (Tue 25th Aug) | 8ft (2.5m) 14s |
| Most Powerful | 12PM (Tue 25th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Dunedin - Cob Cottage over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 12°C on Wed afternoon, min 6°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 16°C on Mon afternoon, min 6°C on Fri night). Mainly fresh winds. | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
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 15 | S 14 | S 13 | SSW 11 | S 11 | S 16 | SSW 14 | S 11 | S 10 | S 10 | S 10 | SSW 16 | S 18 | SW 8 | SSW 13 | SSW 15 | SSW 15 | S 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 3173 | 1719 | 1041 | 920 | 475 | 991 | 269 | 231 | 161 | 123 | 66 | 53 | 55 | 260 | 905 | 1775 | 1174 | 429 | 684 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | off | cross-off | glassy | off | off | cross-off | off | off | glassy | cross-off |
High Tide | 7:42AM1.60m | 8:08PM1.52m | 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 | |||||||
Low Tide | 1:30AM0.37m | 2:01PM0.45m | 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 | |||||||
 |  |  |  | | |  | | | | | |  | |  | | | | | |
 | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — |
 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:55 | — | — | 5:58 | — | — | 5:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 3 | — | — | — | — |
Temp °C | 9 | 11 | 12 | 8 | 10 | 11 | 9 | 10 | 11 | 10 | 14 | 14 | 10 | 11 | 9 | 12 | 14 | 16 | 10 |
Feels °C | 5 | 7 | 7 | 4 | 5 | 7 | 6 | 8 | 8 | 7 | 11 | 12 | 5 | 2 | 2 | 7 | 11 | 14 | 7 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 13 | S 11 | S 11 | S 16 | S 10 | S 11 | S 10 | S 10 | S 10 | S 9 | ENE 6 | NE 7 | SSW 13 | SSW 15 | SSW 15 | SSW 10 | SSW 14 |
| kJ | 3173 | 1719 | 1041 | 577 | 475 | 991 | 194 | 231 | 161 | 123 | 66 | 26 | 25 | 24 | 905 | 1775 | 1174 | 255 | 684 |
Swell 2 Height (m) Direction Period (s) | E 10 | SE 12 | E 10 | E 9 | S 17 | E 9 | SSW 14 | SSW 15 | SSW 14 | NE 4 | ENE 4 | SSW 16 | S 18 | SSW 17 | ESE 13 | ESE 13 | ESE 13 | S 14 | SE 15 |
| kJ | 18 | 24 | 17 | 16 | 135 | 14 | 269 | 72 | 38 | 4 | 2 | 53 | 55 | 93 | 34 | 34 | 31 | 429 | 34 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | E 10 | SE 12 | SE 12 | E 9 | SE 13 | E 9 | E 8 | E 10 | ESE 10 | SSW 13 | SE 16 | ESE 14 | ESE 13 | NE 7 | — | ESE 13 | ESE 14 | NE 7 |
| kJ | 14 | 17 | 24 | 23 | 15 | 7 | 6 | 6 | 7 | 10 | 17 | 10 | 21 | 35 | 8 | — | 32 | 19 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | SW 5 | SSW 11 | — | — | — | — | NE 4 | NE 4 | N 2 | NE 5 | SW 4 | SW 8 | W 4 | W 4 | — | — | NE 4 |
| kJ | — | — | 55 | 920 | — | — | — | — | 1 | 7 | 1 | 8 | 10 | 260 | 14 | 10 | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 0 | 45 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 5 | 191 | 0 | 0 | 0 | 0 |
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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