Surf Forecasts:
Dunedin - Cob Cottage surf forecast from 20 Sep 2026:
- Best quality surf: Wednesday 23 Sep, 6AM (local time) - 11ft (3.5m), 15s period, SW swell with offshore winds.
- Most powerful swell: Monday 28 Sep, 1PM (local time) - 13ft (4.0m), 16s period, SSW swell with 8,079 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 9AM (local time) - 5ft (1.5m), 12s 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 Monday (Sep 21) at 9AM. The primary swell is predicted to be 1.5m and 12s period with a secondary swell of 0.7m and 15s. Another secondary swell of 0.9m and 5s 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 16s and forecast to arrive on Monday (Sep 28) at 1PM. 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 Sunday (Sep 27) at 12AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 21st Sep) | 5ft (1.5m) 12s |
| Best Surf | 6AM (Wed 23rd Sep) | 11ft (3.5m) 15s |
| Most Powerful | 1PM (Mon 28th Sep) | 13ft (4.0m) 16s |
Table - best surf conditions forecast for Dunedin - Cob Cottage over the next 16 days.
Short Range ForecastModerate rain (total 11mm), heaviest on Mon night. Very mild (max 18°C on Mon morning, min 4°C on Tue night). Winds increasing (light winds from the NNW on Mon morning, fresh winds from the W by Tue afternoon). | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Sat night. Very mild (max 16°C on Sat afternoon, min 6°C on Fri night). Winds increasing (calm on Fri morning, fresh winds from the WSW by Sat night). | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||
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) | S 12 | S 11 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 9 | SSW 15 | SSW 15 | SSW 14 | S 13 | SSW 13 | S 11 | ESE 13 | ESE 13 | ESE 12 | SW 8 | SSW 12 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 628 | 220 | 296 | 513 | 725 | 1875 | 730 | 3773 | 658 | 300 | 754 | 615 | 421 | 173 | 233 | 156 | 151 | 99 | 233 | 575 | 3812 |
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 | cross-off | cross-off | cross-off | off | off | cross-off | off | glassy | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off |
High Tide | 11:03AM1.56m | 11:22PM1.50m | 11:47AM1.61m | 00:03AM1.55m | 12:26PM1.67m | 00:40AM1.62m | 1:03PM1.72m | 1:17AM1.68m | 1:40PM1.76m | 1:54AM1.74m | 2:17PM1.79m | 2:33AM1.80m | 2:56PM1.81m | ||||||||
Low Tide | 5:06PM0.50m | 5:20AM0.42m | 5:49PM0.43m | 6:02AM0.35m | 6:29PM0.36m | 6:42AM0.27m | 7:07PM0.30m | 7:21AM0.21m | 7:45PM0.24m | 8:02AM0.16m | 8:23PM0.19m | 8:43AM0.14m | 9:04PM0.17m | ||||||||
 |  |  | |  |  | | | |  | |  |  | |  | | | | | | | |
 | 6:30 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 7:18 | — | — |
 | — | 6:32 | — | — | 6:35 | — | — | 6:36 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 7:40 | — |
mm | — | — | 5 | — | 4 | — | — | 2 | — | — | 1 | 7 | 2 | — | — | — | — | 5 | 3 | 2 | — |
Temp °C | 18 | 18 | 6 | 12 | 9 | 5 | 8 | 8 | 7 | 13 | 12 | 9 | 8 | 8 | 8 | 14 | 16 | 13 | 7 | 8 | 4 |
Feels °C | 15 | 13 | 0 | 6 | 2 | -2 | 2 | 2 | 3 | 8 | 7 | 6 | 6 | 4 | 5 | 11 | 11 | 10 | 2 | -1 | -3 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 11 | SSW 15 | SSW 8 | SSW 15 | SSW 15 | SSW 9 | SSW 9 | SSW 8 | S 9 | SSW 15 | SSW 14 | S 13 | S 9 | S 11 | S 10 | S 9 | NE 6 | NE 7 | SSW 12 | ESE 14 |
| kJ | 628 | 220 | 296 | 140 | 725 | 1875 | 344 | 326 | 284 | 199 | 754 | 615 | 421 | 120 | 233 | 153 | 81 | 51 | 49 | 575 | 125 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 14 | NE 6 | SSW 16 | ENE 10 | E 12 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | ESE 10 | E 10 | ESE 16 | SSW 13 | ESE 15 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | NE 8 | NE 9 |
| kJ | 231 | 218 | 5 | 513 | 10 | 24 | 730 | 653 | 429 | 300 | 11 | 8 | 25 | 173 | 84 | 156 | 151 | 99 | 98 | 31 | 20 |
Swell 3 Height (m) Direction Period (s) | NE 5 | SE 10 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 17 | SE 17 | ESE 10 | ESE 16 | SE 12 | NE 4 | SW 12 | S 9 | SSW 15 | ESE 12 | — |
| kJ | 15 | 4 | 17 | 16 | 14 | 14 | 21 | 10 | 10 | 10 | 5 | 11 | 10 | 25 | 37 | 5 | 6 | 38 | 47 | 56 | — |
Wind waves Height (m) Direction Period (s) | NNE 5 | NE 5 | SSW 8 | SW 8 | WSW 3 | SW 9 | — | SSW 16 | SSW 9 | — | WSW 4 | WNW 4 | — | — | NE 4 | NE 4 | NE 5 | NE 6 | SW 8 | — | SSW 12 |
| kJ | 41 | 13 | 245 | 382 | 9 | 850 | — | 3773 | 658 | — | 27 | 10 | — | — | 6 | 19 | 33 | 135 | 233 | — | 3812 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 2 | 17 | 0 | 87 | 5 | 17 | 66 | 0 | 0 | 5 | 0 | 0 | 20 | 0 | 0 | 125 | 0 | 5 | 541 | 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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