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Dunedin - St Kilda Beach Surf Forecast
/ Otago (35 surf breaks) /
Surf Forecasts:
Dunedin - St Kilda Beach surfForecast / Otago / New Zealand
12 Day Weather and Surf, issued 11 am Thursday 18 Sep 2025 NZST
Best Forecast Surf Conditions for Dunedin - St Kilda Beach this week:
The surf forecast for Dunedin - St Kilda Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 6AM. The primary swell is predicted to be 2.0m and 9s period with a secondary swell of 0.3m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dunedin - St Kilda Beach in the next 12 days are 2.2m 12s and forecast to arrive on Friday (Sep 19) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 10s period and expected on Sunday (Sep 21) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 19th Sep) | 6.5ft (2.0m) 9s |
| Best Surf | 12AM (Sat 20th Sep) | 6ft (1.9m) 12s |
| Most Powerful | 6PM (Fri 19th Sep) | 7ft (2.2m) 12s |
Table - best surf conditions forecast for Dunedin - St Kilda Beach over the next 12 days.
Short Range Forecast Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 13°C on Sat afternoon, min 3°C on Thu night). Winds decreasing (strong winds from the SW on Thu afternoon, light winds from the NE by Fri morning). | Days 3-6 Weather Summary Heavy rain (total 28mm), heaviest during Tue night. Very mild (max 14°C on Mon morning, min 7°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 12 | 16 | 8 | 10 | 12 | 12 | 13 | 13 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 15 | 14 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 75 | 1300 | 437 | 710 | 1280 | 1074 | 643 | 398 | 73 | 73 | 73 | 67 | 118 | 102 | 62 | 115 | 120 | 116 | 46 | 71 | 107 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | glass | cross | cross- off |
High Tide / height (m) | 1:07PM 1.78 | 1:29AM 1.70 | 1:57PM 1.78 | 2:18AM 1.72 | 2:43PM 1.77 | 3:04AM 1.72 | 3:28PM 1.74 | 3:48AM 1.70 | 4:10PM 1.70 | 4:31AM 1.67 | 4:53PM 1.64 | 5:14AM 1.63 | 5:35PM 1.58 | ||||||||
Low Tide / height (m) | 7:29PM 0.23 | 7:48AM 0.17 | 8:19PM 0.20 | 8:38AM 0.16 | 9:04PM 0.19 | 9:23AM 0.16 | 9:46PM 0.19 | 10:05AM 0.18 | 10:26PM 0.21 | 10:45AM 0.21 | 11:04PM 0.24 | 11:25AM 0.26 | 11:42PM 0.28 | ||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||
| Sunrise | 6:35 | - | - | 6:33 | - | - | 6:31 | - | - | 6:30 | - | - | 6:28 | - | - | 6:26 | - | - | 6:24 | - | - |
| Sunset | - | 6:29 | - | - | 6:30 | - | - | 6:30 | - | - | 6:31 | - | - | 6:34 | - | - | 6:35 | - | - | 6:36 | - |
 |  |  |  | |  | | |  |  | |  | | | |  | |  | | | | |
Rain (mm) | - | 2 | 2 | - | - | - | - | - | - | - | 1 | - | - | - | - | 4 | 5 | 18 | - | - | - |
| Temp. °C | 11 | 9 | 5 | 8 | 10 | 6 | 11 | 13 | 10 | 12 | 12 | 10 | 14 | 14 | 13 | 9 | 10 | 9 | 8 | 9 | 8 |
| Feels °C (?) | 5 | 0 | -4 | 4 | 3 | 0 | 8 | 9 | 6 | 11 | 9 | 7 | 8 | 8 | 10 | 7 | 8 | 6 | 7 | 6 | 4 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Otago
Still cross-shore at Dunedin - St Kilda Beach (fresh winds from the WSW at Port Chalmers wx 12 km from Dunedin - St Kilda Beach). 2.9m 8s swell from the SW which is too big for here.
2 h 22 min ago
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dunedin - St Kilda Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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 12 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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