Surf Forecasts:
How big are the waves at Colac Bay today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 10ft (3.0m), 15s period with W swell.
- Evening surf: Evening surf (18 Sep, local time) - 10ft (3.0m), 15s period with WSW swell.
The current surf forecast for Colac Bay at 9PM is: 3.0m 15s primary swell from a West-southwest direction and 0.1m 15s secondary swell from a South direction (forecast issued at 05:00pm September 18). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 10ft (3.0m) | 15s |
| Evening (18 Sep) | 10ft (3.0m) | 15s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Fri night. Very mild (max 16°C on Mon morning, min 6°C on Sat night). Winds decreasing (near gales from the WSW on Sat night, light winds from the NNW by Sun night). | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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) | W 15 | WSW 15 | WSW 15 | WSW 15 | W 15 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 3966 | 3767 | 3522 | 3474 | 3799 | 3835 | 3728 | 3913 | 4027 | 4220 | 4385 | 4638 | 5432 | 5757 | 5974 | 5905 | 5084 | 4839 | 4301 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 6:26PM2.01m | 7:09AM2.01m | 7:35PM1.95m | 8:15AM1.98m | 8:41PM1.95m | ||||||||||||||
Low Tide | 12:22PM0.95m | 00:53AM0.90m | 1:22PM1.00m | 1:59AM0.90m | 2:30PM0.98m | ||||||||||||||
 |  |  |  | |  | | |  | | | |  | | | |  | |  | |
 | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — |
 | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:42 | — |
mm | — | 1 | — | 1 | 5 | 6 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 11 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 12 | 8 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 7 |
Feels °C | 6 | 4 | 5 | 5 | 4 | 5 | 4 | 4 | 3 | -2 | -5 | -4 | -5 | -4 | -2 | 0 | 1 | 2 | 2 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | WSW 15 | WSW 15 | S 15 | S 18 | S 17 | S 16 | — | S 16 | S 16 | S 16 | SE 11 | — | S 18 | S 18 | S 11 | S 17 | S 17 |
| kJ | 5 | 5 | 3522 | 3474 | 4 | 6 | 6 | 5 | — | 176 | 231 | 5 | 5 | — | 2930 | 2222 | 441 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | S 15 | S 15 | SSE 18 | S 10 | SSE 10 | SE 12 | S 10 | S 10 | S 9 | SE 11 | — | — | — | — | S 17 | SSE 17 | S 15 |
| kJ | 24 | 22 | 4 | 4 | 107 | 56 | 36 | 23 | 30 | 17 | 15 | 5 | — | — | — | — | 684 | 476 | 302 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 12 | S 18 | SE 12 | — | SE 12 | SE 11 | SE 11 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 24 | 158 | 23 | — | 21 | 20 | 20 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 15 | WSW 15 | — | — | W 15 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 3966 | 3767 | — | — | 3799 | 3835 | 3728 | 3913 | 4027 | 4220 | 4385 | 4638 | 5432 | 5757 | 5974 | 5905 | 5084 | 4839 | 4301 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 44 | 44 | 44 | 141 | 141 | 141 | 141 | 182 | 182 | 251 | 502 | 648 | 338 | 578 | 784 | 842 | 493 | 11 |
Best forecast wave conditions in Southland | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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