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Colac Bay Surf Forecast
/ Southland (9 surf breaks) /
Colac Bay surfForecast / Southland / New Zealand
48hr Weather and Surf, issued 5 am Tuesday 19 Aug 2025 NZST
How big are the waves at Colac Bay today?
The current surf forecast for Colac Bay at 8AM is: 2.1m 12s primary swell from a West-southwest direction and 0.2m 9s secondary swell from a South-southeast direction (forecast issued at 05:00am August 19). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 7ft (2.1m) | 12s |
| Afternoon (19 Aug) | 6ft (1.9m) | 12s |
| Evening (19 Aug) | 6ft (1.9m) | 12s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1288 | 1310 | 1322 | 1196 | 1016 | 885 | 1125 | 1360 | 1635 | 2065 | 1963 | 1928 | 1984 | 1477 | 1346 | 1445 | 1298 | 1298 | 1298 | 1283 | 1267 | 1651 | 1356 | 1480 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:56AM 2.28 | 10:21PM 2.25 | 10:56AM 2.32 | 11:19PM 2.31 | 11:50AM 2.37 | |||||||||||||||||||
Low Tide / height (m) | 3:38AM 0.56 | 4:15PM 0.65 | 4:42AM 0.47 | 5:16PM 0.55 | 5:39AM 0.37 | 6:08PM 0.44 | ||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
| Sunrise | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - |
 |  |  | | |  |  | |  | |  | | | | | | | | | | |  | | | |
Rain (mm) | 1 | 1 | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 6 | 6 | 8 | 8 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 9 | 10 | 9 | 9 | 10 | 10 | 11 | 10 | 9 | 8 |
| Feels °C (?) | -1 | 0 | 1 | 3 | 4 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 5 | 7 | 6 | 7 | 5 | 5 | 7 | 6 | 7 | 6 | 5 | 4 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Southland
Still cross-shore at Colac Bay (light winds from the SW at InvercargillAeroAws 33 km from Colac Bay). 2.0m 12s groundswell from the WSW with a 0.6m 12s groundswell from the SW. 2 swells combining so expect closeout sets.
33 km away, 1 h 9 min ago
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