Surf Forecasts:
How big are the waves at Colac Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 5ft (1.5m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.5m), 15s period with WSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 5ft (1.5m), 15s period with WSW swell.
The current surf forecast for Colac Bay at 8AM is: 1.5m 14s primary swell from a West-southwest direction and 0.1m 17s secondary swell from a South direction (forecast issued at 05:00am August 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 5ft (1.5m) | 14s |
| Afternoon (20 Aug) | 5ft (1.5m) | 15s |
| Evening (20 Aug) | 5ft (1.5m) | 15s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Sat afternoon. Very mild (max 12°C on Fri afternoon, min 5°C on Thu night). Mainly strong winds. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 9 | W 10 | W 11 | W 11 | W 11 | W 13 | W 11 | W 11 | W 11 | W 8 | W 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 813 | 790 | 769 | 792 | 986 | 1021 | 886 | 651 | 714 | 431 | 356 | 265 | 204 | 452 | 785 | 783 | 451 | 168 | 621 | 708 | 819 | 581 | 1392 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | off |
High Tide | 6:54AM2.13m | 7:17PM2.06m | 7:57AM2.06m | 8:23PM2.01m | 9:00AM2.04m | ||||||||||||||||||
Low Tide | 00:39AM0.80m | 1:06PM0.90m | 1:39AM0.88m | 2:06PM0.97m | 2:43AM0.89m | 3:14PM0.98m | |||||||||||||||||
 | |  |  | | |  |  | | | | | | | | | | | |  | |  |  | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — |
 | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 8 | 5 |
Temp °C | 9 | 9 | 9 | 10 | 10 | 9 | 8 | 7 | 6 | 5 | 6 | 10 | 12 | 10 | 9 | 11 | 11 | 8 | 9 | 11 | 10 | 9 | 9 |
Feels °C | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 3 | 1 | 1 | 6 | 8 | 5 | 4 | 6 | 7 | 4 | 5 | 7 | 6 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | WSW 14 | S 16 | S 16 | S 15 | S 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | W 8 | W 9 | W 10 | W 11 | W 11 | W 11 | W 11 | W 11 | WSW 16 | W 16 | SSE 9 | S 9 |
| kJ | 3 | 3 | 769 | 5 | 5 | 5 | 4 | 651 | 714 | 431 | 356 | 121 | 185 | 452 | 785 | 783 | 451 | 545 | 621 | 89 | 5 | 8 | 6 |
Swell 2 Height (m) Direction Period (s) | S 17 | S 17 | S 17 | S 16 | S 10 | SE 9 | SE 9 | S 14 | S 14 | W 6 | W 7 | WSW 14 | WSW 14 | WSW 13 | W 10 | W 11 | W 13 | W 13 | WSW 19 | WSW 20 | S 19 | S 18 | S 18 |
| kJ | 6 | 6 | 5 | 5 | 2 | 3 | 3 | 4 | 4 | 35 | 61 | 265 | 204 | 181 | 2 | 2 | 255 | 168 | 118 | 76 | 7 | 26 | 25 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | SE 10 | SE 10 | SE 10 | SE 9 | — | — | — | E 9 | S 13 | S 10 | S 10 | S 10 | S 10 | S 12 | S 16 | WSW 19 | WSW 18 | W 19 | S 19 | — | E 6 | — |
| kJ | 10 | 4 | 4 | 4 | 3 | — | — | — | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 5 | 36 | 66 | 7 | 7 | — | 1 | — |
Wind waves Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 | W 5 | — | — | — | NNW 2 | — | — | N 3 | N 4 | N 4 | — | — | W 11 | W 11 | W 8 | W 15 |
| kJ | 813 | 790 | 36 | 792 | 986 | 1021 | 886 | 23 | — | — | — | 1 | — | — | 5 | 14 | 16 | — | — | 708 | 819 | 581 | 1392 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 124 | 0 | 0 | 124 | 124 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 13 | 13 | 0 | 3 | 0 | 0 | 0 | 3 | 0 |
Best forecast wave conditions in Southland | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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