Surf Forecasts:
How big are the waves at Dunedin - St Clair today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 8ft (2.5m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 8ft (2.5m), 11s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 15s period with S swell.
The current surf forecast for Dunedin - St Clair at 5AM is: 2.1m 8s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a East direction, 0.3m 14s secondary swell from a Southeast direction (forecast issued at 11:00pm August 17). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 8ft (2.5m) | 9s |
| Afternoon (18 Aug) | 8ft (2.5m) | 11s |
| Evening (18 Aug) | 10ft (3.0m) | 15s |
Table - waves today at Dunedin - St Clair. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 11°C on Wed afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the WSW on Mon night, light winds from the ENE by Thu afternoon). | |||||||||||||||||
Tuesday 18 | Wednesday 19 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||
Wave Height (m) Direction Period (s) | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 10 | S 11 | SSW 14 | S 15 | S 15 | S 15 | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 |
Wave Graph  | |||||||||||||||||
 kJ | 135 | 336 | 410 | 597 | 1067 | 1310 | 1663 | 5652 | 3661 | 3131 | 2612 | 1968 | 1559 | 2416 | 1945 | 1760 | 1384 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross |
High Tide | 7:43PM1.65m | 8:11AM1.64m | 8:37PM1.58m | 9:06AM1.60m | |||||||||||||
Low Tide | 1:38AM0.24m | 2:04PM0.29m | 2:26AM0.31m | 2:56PM0.37m | |||||||||||||
 |  |  |  |  |  |  | | | |  | | |  | | | | |
 | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 9 | 7 |
Feels °C | 1 | 2 | 0 | -1 | -1 | 0 | 1 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 6 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | E 10 | E 10 | E 10 | E 11 | E 10 | S 15 | S 14 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 12 | S 11 |
| kJ | 135 | 48 | 49 | 51 | 35 | 33 | 348 | 3436 | 3661 | 3131 | 2612 | 1968 | 1559 | 1294 | 1060 | 800 | 621 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSW 13 | SE 14 | SE 13 | SE 13 | ESE 13 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | E 10 | E 10 | E 10 | E 9 |
| kJ | 45 | 96 | 30 | 28 | 28 | 17 | 33 | 18 | 19 | 18 | 18 | 18 | 25 | 16 | 17 | 17 | 16 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 14 | SW 18 | — | — | — | SE 13 | SE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | E 10 | SE 13 | SE 13 | ESE 12 | SE 12 |
| kJ | 33 | 32 | 12 | — | — | — | 27 | 26 | 16 | 14 | 14 | 14 | 17 | 26 | 26 | 15 | 23 |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 9 | SSW 10 | S 11 | SSW 14 | — | — | — | — | — | SSW 14 | SSW 13 | SSW 13 | SSW 12 |
| kJ | 132 | 336 | 410 | 597 | 1067 | 1310 | 1663 | 5652 | — | — | — | — | — | 2416 | 1945 | 1760 | 1384 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 23 | 23 | 23 | 174 | 174 | 257 | 438 | 33 | 15 | 15 | 20 | 20 | 22 | 22 | 20 | 22 | 13 |
Best forecast wave conditions in Otago | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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