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Dunedin - St Clair Surf Forecast
/ Otago (35 surf breaks) /
Surf Forecasts:
Dunedin - St Clair surfForecast / Otago / New Zealand
48hr Weather and Surf, issued 11 am Monday 18 May 2026 NZSTForecast update in hr min s Forecast update imminent
Dunedin - St Clair surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunedin - St Clair sea temperature is
12.7° C
(Which is 2.5°C warmer than normal for this time of year)How big are the waves at Dunedin - St Clair today?
The current surf forecast for Dunedin - St Clair at 6PM is: 0.3m 16s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a South direction (forecast issued at 11:00am May 18). The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 1.5ft (0.4m) | 10s |
| Afternoon (18 May) | 1ft (0.3m) | 16s |
| Evening (18 May) | 1ft (0.3m) | 16s |
Table - waves today at Dunedin - St Clair. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Wed night, min 5°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | S 12 | E 10 | S 12 | S 12 | |
30 | 59 | 51 | 48 | 48 | 44 | 43 | 47 | 42 | 41 | 40 | 36 | 35 | 18 | 20 | 19 | 18 | 18 | 17 | 15 | 11 | 7 | 11 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | off | glassy | cross-off | cross-off | off | off | off | off | off | glassy | cross-off | cross-off | off | off | off | off | |
High Tide | 5:02PM1.95m | 5:29AM1.79m | 6:02PM1.93m | 6:30AM1.76m | 7:05PM1.89m | |||||||||||||||||||
Low Tide | 10:46AM0.06m | 11:22PM0.10m | 11:39AM0.07m | 00:16AM0.13m | 12:34PM0.10m | 1:11AM0.17m | ||||||||||||||||||
 | | |  | | | | | | |  |  |  | | | | |  | | | | | | | |
 | 7:54 | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:56 | — | — | — | — | — | — | — | 7:56 |
 | — | — | 5:13 | — | — | — | — | — | — | — | 5:12 | — | — | — | — | — | — | — | 5:10 | — | — | — | — | 5:09 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 5 | 8 | 8 | 6 | 6 | 6 | 6 | 5 | 5 | 8 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 11 | 12 | 11 | 10 | 13 | 15 | 15 |
3 | 7 | 7 | 5 | 5 | 4 | 4 | 3 | 3 | 6 | 7 | 6 | 4 | 4 | 4 | 3 | 5 | 9 | 9 | 8 | 6 | 9 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SSW 15 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | NE 3 | ENE 3 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | E 10 | SSW 12 | NE 4 | ENE 4 | ENE 5 | S 12 |
 kJ | 30 | 28 | 26 | 25 | 23 | 12 | 43 | 47 | 42 | 41 | 40 | 36 | 2 | 1 | 20 | 19 | 18 | 18 | 8 | 15 | 4 | 7 | 8 | 11 |
Swell 2 Height (m) Direction Period (s) | E 10 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | S 8 | S 8 | E 9 | E 9 | E 9 | E 9 | SSW 13 | SSW 14 | ENE 3 | E 10 | E 10 | E 10 | SSW 13 | E 10 | S 12 | E 10 | E 9 | E 9 |
| kJ | 18 | 59 | 51 | 48 | 48 | 44 | 12 | 5 | 7 | 7 | 7 | 7 | 35 | 18 | 1 | 8 | 8 | 8 | 17 | 8 | 11 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 8 | S 8 | SE 10 | SE 10 | E 10 | E 11 | E 11 | ENE 3 | — | — | SE 15 | S 19 | E 10 | S 12 | S 12 | S 18 |
| kJ | 18 | 18 | 18 | 17 | 17 | 17 | 7 | 7 | 5 | 4 | 4 | 4 | 9 | 9 | 9 | 1 | — | — | 8 | 7 | 8 | 3 | 11 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NE 3 | NE 3 | NE 4 | — | — | — | — | NE 3 | NE 4 | — | — | NE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 4 | 3 | — | — | — | — | 2 | 12 | — | — | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 11 | 11 | 11 | 84 | 11 | 11 | 97 | 84 | 25 |
Best forecast wave conditions in Otago | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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