Surf Forecasts:
How big are the waves at Colac Bay today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 6ft (1.9m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 6.5ft (2.0m), 16s period with WSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 6.5ft (2.0m), 15s period with WSW swell.
The current surf forecast for Colac Bay at 9AM is: 1.9m 13s primary swell from a West-southwest direction and 0.2m 13s secondary swell from a East-southeast direction (forecast issued at 05:00am August 18). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 6ft (1.9m) | 13s |
| Afternoon (18 Aug) | 6.5ft (2.0m) | 16s |
| Evening (18 Aug) | 6.5ft (2.0m) | 15s |
Table - waves today at Colac Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 10°C on Tue morning, min 5°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 15 | WSW 15 | WSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1317 | 1491 | 1198 | 1255 | 2032 | 1982 | 1822 | 1728 | 1567 | 1525 | 1358 | 1143 | 1127 | 988 | 862 | 815 | 769 | 661 | 671 | 691 | 986 | 1035 | 1007 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-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 | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:02AM2.34m | 5:21PM2.26m | 5:54AM2.23m | 6:15PM2.15m | 6:54AM2.13m | 7:17PM2.06m | |||||||||||||||||
Low Tide | 11:24AM0.61m | 11:46PM0.68m | 12:13PM0.77m | 00:39AM0.80m | 1:06PM0.90m | ||||||||||||||||||
 |  |  |  | | | | | |  | | | | | | | | | |  | | | | |
 | — | 7:43 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 |
Feels °C | 4 | 3 | 4 | 6 | 5 | 4 | 6 | 6 | 7 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 4 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | S 11 | ESE 14 | ESE 13 | S 9 | S 15 | S 15 | S 15 | S 15 | S 15 | SSE 11 | S 14 | S 13 | S 12 | S 12 | WSW 14 | S 12 | S 12 | S 10 | WSW 14 | WSW 14 | S 16 | S 15 | S 15 |
| kJ | 195 | 18 | 17 | 2 | 4 | 17 | 18 | 17 | 4 | 240 | 4 | 3 | 3 | 3 | 862 | 3 | 3 | 2 | 671 | 691 | 5 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | ESE 14 | — | — | SE 13 | — | — | — | — | — | S 14 | S 14 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | S 17 | S 17 | S 17 | S 16 | S 10 | S 15 | SE 9 |
| kJ | 20 | — | — | 6 | — | — | — | — | — | 148 | 98 | 14 | 14 | 15 | 12 | 11 | 6 | 6 | 6 | 5 | 2 | 113 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 11 | — | — | — | — | — | — | — | — | — | — | S 17 | S 17 | SE 10 | E 9 | SE 10 | SE 10 | SE 9 | SE 9 | E 12 |
| kJ | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | 6 | 23 | 4 | 2 | 4 | 4 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 15 | WSW 15 | WSW 15 |
| kJ | 1317 | 1491 | 1198 | 1255 | 2032 | 1982 | 1822 | 1728 | 1567 | 1525 | 1358 | 1143 | 1127 | 988 | 40 | 815 | 769 | 661 | 35 | 36 | 986 | 1035 | 1007 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 221 | 271 | 271 | 271 | 556 | 147 | 0 | 0 | 0 | 0 | 0 | 124 | 124 | 147 | 0 | 0 | 0 | 0 | 0 | 0 | 124 | 0 | 0 |
Best forecast wave conditions in Southland | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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