Surf Forecasts:
Dunedin - St Kilda Beach surf forecast from 17 Sep 2026:
- Best quality surf: Sunday 20 Sep, 9PM (local time) - 13ft (4.0m), 17s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 20 Sep, 9PM (local time) - 13ft (4.0m), 17s period, SSW swell with 9,088 kJ wave energy.
- Next surfable swell (1★+): Friday 18 Sep, 12AM (local time) - 3ft (0.9m), 16s period with SSW swell.
Best Forecast Surf Conditions for Dunedin - St Kilda Beach this week:
The surf forecast for Dunedin - St Kilda Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 12AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.9m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Dunedin - St Kilda Beach in the next 16 days are 4.0m 17s and forecast to arrive on Sunday (Sep 20) 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 1.2m 6s period and expected on Monday (Sep 21) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 18th Sep) | 3ft (0.9m) 16s |
| Best Surf | 9PM (Sun 20th Sep) | 13ft (4.0m) 17s |
| Most Powerful | 9PM (Sun 20th Sep) | 13ft (4.0m) 17s |
Table - best surf conditions forecast for Dunedin - St Kilda Beach over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Sun morning. Very mild (max 15°C on Sat morning, min 5°C on Sat night). Winds increasing (light winds from the NNW on Sat morning, strong winds from the W by Sat night). | Days 5-7 Weather SummaryModerate rain (total 11mm), heaviest on Mon night. Very mild (max 19°C on Mon afternoon, min 4°C on Tue night). Mainly strong winds. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||
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 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SSW 16 | SSW 18 | SSW 16 | S 10 | S 12 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 376 | 416 | 975 | 1396 | 1292 | 724 | 785 | 1059 | 6048 | 7349 | 1452 | 474 | 464 | 225 | 605 | 597 | 4533 | 3569 | 1531 | 605 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross-off | off | cross-off | cross-off | cross | cross | cross-off | cross-off | off | cross | cross-off | cross | cross-off | cross | cross-on | cross-off |
High Tide | 8:56PM1.46m | 9:24AM1.52m | 9:49PM1.44m | 10:17AM1.52m | 10:40PM1.45m | 11:06AM1.54m | 11:28PM1.48m | 11:53AM1.57m | 00:14AM1.52m | 12:38PM1.61m | 00:57AM1.57m | 1:20PM1.66m | 1:39AM1.62m | |||||||
Low Tide | 2:38AM0.40m | 3:12PM0.44m | 3:31AM0.44m | 4:08PM0.46m | 4:27AM0.44m | 5:05PM0.46m | 5:23AM0.42m | 6:00PM0.42m | 6:17AM0.38m | 6:50PM0.38m | 7:06AM0.32m | 7:36PM0.32m | ||||||||
 |  |  | |  | |  |  | | | | | | | | | | | | | |
 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:26 | — | — |
 | 6:27 | — | — | 6:29 | — | — | 6:30 | — | — | 6:30 | — | — | 6:31 | — | — | 6:34 | — | — | 6:35 | — |
mm | — | — | — | — | — | — | 1 | 2 | 3 | 1 | — | — | — | 5 | — | 3 | 1 | 1 | — | — |
Temp °C | 11 | 8 | 11 | 12 | 10 | 15 | 15 | 6 | 7 | 9 | 8 | 15 | 19 | 9 | 12 | 9 | 5 | 7 | 8 | 6 |
Feels °C | 5 | 4 | 5 | 7 | 6 | 13 | 13 | -4 | -4 | -1 | 1 | 11 | 15 | 1 | 4 | 3 | -2 | 2 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 15 | SE 11 | ESE 11 | S 10 | S 10 | S 12 | SSW 15 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | S 8 |
| kJ | 376 | 416 | 975 | 1396 | 1292 | 724 | 785 | 1059 | 31 | 23 | 926 | 463 | 464 | 225 | 605 | 597 | 2215 | 905 | 1531 | 195 |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SSW 9 | ESE 13 | ESE 12 | SE 13 | S 17 | ENE 6 | ENE 7 | ENE 7 | — | SSW 16 | SSW 15 | SSW 15 | S 11 | E 10 | E 10 | ESE 11 | SSW 8 | ESE 11 | SSW 15 |
| kJ | 48 | 136 | 108 | 96 | 132 | 220 | 22 | 17 | 5 | — | 1452 | 474 | 174 | 37 | 8 | 17 | 25 | 211 | 22 | 605 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | ESE 12 | ESE 9 | NE 5 | — | NE 5 | SE 11 | SE 11 | — | — | ESE 11 | ESE 10 | ESE 10 | NE 6 | SE 13 | ESE 12 | — | ESE 11 | SE 11 | E 9 |
| kJ | 48 | 56 | 8 | 1 | — | 18 | 63 | 32 | — | — | 11 | 10 | 10 | 8 | 26 | 14 | — | 23 | 5 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | W 2 | — | NE 4 | NE 5 | — | WSW 4 | SSW 16 | SSW 18 | — | NNE 4 | NE 6 | SSW 8 | SSW 8 | SSW 9 | SSW 16 | SSW 16 | — | — |
| kJ | — | — | 1 | — | 4 | 42 | — | 33 | 6048 | 7349 | — | 5 | 44 | 186 | 175 | 138 | 4533 | 3569 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 17 | 0 | 17 | 18 | 2 | 0 | 0 | 319 | 340 | 971 | 15 | 1 | 0 | 301 | 17 | 21 | 32 | 22 | 18 | 0 |
Best forecast wave conditions in Otago | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Dunedin - St Kilda Beach Surf forecast
The above surf forecast table for Dunedin - St Kilda Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dunedin - St Kilda Beach can be found by selecting the local surf guide option on the grey menu. Our Dunedin - St Kilda 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 (Dunedin - St Kilda 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 Dunedin - St Kilda 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.
Dunedin - St Kilda Beach is 5 km (3 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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