Surf Forecasts:
How big are the waves at Colac Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 8ft (2.4m), 14s period with W swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 8ft (2.5m), 13s period with W swell.
- Evening surf: Evening surf (21 Sep, local time) - 10ft (3.0m), 13s period with WSW swell.
The current surf forecast for Colac Bay at 4AM is: 2.5m 14s primary swell from a West direction and 0.1m 14s secondary swell from a South direction (forecast issued at 11:00pm September 20). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 8ft (2.4m) | 14s |
| Afternoon (21 Sep) | 8ft (2.5m) | 13s |
| Evening (21 Sep) | 10ft (3.0m) | 13s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon morning, min 6°C on Tue afternoon). Winds increasing (light winds from the NNW on Sun night, strong winds from the WSW by Tue afternoon). | |||||||||||||||||
Monday 21 | Tuesday 22 | ||||||||||||||||
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) | WSW 16 | WSW 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | WSW 13 | W 14 | W 14 | W 15 | W 15 | W 14 | WSW 14 | WSW 14 | WSW 15 |
Wave Graph  | |||||||||||||||||
 kJ | 4247 | 3570 | 2890 | 2570 | 2275 | 2117 | 2151 | 2989 | 3088 | 3597 | 4054 | 3866 | 3799 | 3997 | 4007 | 4363 | 4140 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:41PM1.95m | 9:14AM2.00m | 9:37PM1.99m | 10:06AM2.05m | |||||||||||||
Low Tide | 3:03AM0.85m | 3:35PM0.90m | 3:59AM0.75m | 4:28PM0.78m | |||||||||||||
 | | |  |  | |  |  |  |  |  | | | |  | | | |
 | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — |
mm | — | — | — | — | — | — | 1 | 10 | 2 | — | 1 | — | — | 1 | 4 | 1 | 1 |
Temp °C | 8 | 7 | 7 | 7 | 12 | 16 | 15 | 7 | 8 | 7 | 7 | 7 | 8 | 8 | 6 | 7 | 7 |
Feels °C | 3 | 3 | 3 | 2 | 6 | 11 | 10 | -1 | 0 | -1 | -1 | -1 | 0 | 1 | -4 | -3 | -2 |
Swell 1 Height (m) Direction Period (s) | S 15 | WSW 15 | W 14 | W 14 | W 14 | W 13 | SSE 17 | S 17 | S 17 | — | S 17 | — | S 16 | — | — | — | — |
| kJ | 4 | 3570 | 2890 | 2570 | 2275 | 2117 | 56 | 86 | 153 | — | 297 | — | 5 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | S 15 | S 15 | S 14 | S 13 | S 11 | SSE 17 | SSE 10 | SSE 10 | S 9 | S 4 | S 9 | S 8 | — | — | — | — | — |
| kJ | 283 | 4 | 4 | 3 | 2 | 58 | 19 | 9 | 6 | 3 | 13 | 12 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SE 11 | — | SE 10 | SSW 13 | SW 13 | SW 12 | E 10 | SE 14 | S 9 | SE 13 | — | — | — | — | — | — |
| kJ | — | 4 | — | 4 | 17 | 7 | 6 | 2 | 8 | 14 | 7 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 16 | — | — | — | NNW 4 | NNW 2 | W 13 | W 13 | WSW 13 | W 14 | W 14 | W 15 | W 15 | W 14 | WSW 14 | WSW 14 | WSW 15 |
| kJ | 4247 | — | — | — | 10 | 1 | 2151 | 2989 | 3088 | 3597 | 4054 | 3866 | 3799 | 3997 | 4007 | 4363 | 4140 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 11 | 13 | 44 | 13 | 180 | 3 | 134 | 192 | 146 | 146 | 146 | 124 | 180 | 141 | 260 | 473 | 503 |
Best forecast wave conditions in Southland | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Colac Bay 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.
Nearest