Surf Forecasts:
Colac Bay surf forecast from 15 Jun 2026:
- Best quality surf: Tuesday 16 Jun, 9PM (local time) - 8ft (2.5m), 9s period, W swell with offshore winds.
- Most powerful swell: Thursday 18 Jun, 12PM (local time) - 8ft (2.5m), 14s period, W swell with 2,698 kJ wave energy.
- Next surfable swell (1★+): Tuesday 16 Jun, 9AM (local time) - 5.5ft (1.7m), 13s period with W swell.
Best Forecast Surf Conditions for Colac Bay this week:
The surf forecast for Colac Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 16) at 9AM. The primary swell is predicted to be 1.7m and 13s period with a secondary swell of 0.1m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Colac Bay in the next 16 days are 2.5m 14s and forecast to arrive on Thursday (Jun 18) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Sunday (Jun 21) at 12PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Tue 16th Jun) | 5.5ft (1.7m) 13s |
| Best Surf | 9PM (Tue 16th Jun) | 8ft (2.5m) 9s |
| Most Powerful | 12PM (Thu 18th Jun) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Colac Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 11°C on Thu afternoon, min 6°C on Mon night). Winds increasing (calm on Mon night, strong winds from the W by Tue night). | Days 5-7 Weather SummaryHeavy rain (total 29mm), heaviest during Fri night. Very mild (max 16°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | WSW 14 | W 13 | W 12 | W 11 | WSW 12 | WSW 13 | W 12 | W 12 | W 14 | WSW 14 | WSW 13 | WSW 13 | W 10 | W 10 | WSW 17 | WSW 16 | WSW 15 | W 6 | WSW 14 | WSW 15 | WSW 14 |
Wave Graph | |||||||||||||||||||||
2160 | 928 | 353 | 2318 | 2267 | 1759 | 1544 | 2049 | 2116 | 1558 | 880 | 361 | 535 | 682 | 336 | 1038 | 1184 | 369 | 1752 | 1875 | 1393 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | glassy |
High Tide | 1:38AM2.54m | 2:13PM2.60m | 2:32AM2.54m | 3:08PM2.57m | 3:27AM2.52m | 4:02PM2.51m | 4:22AM2.46m | 4:56PM2.42m | 5:19AM2.39m | 5:51PM2.33m | 6:18AM2.31m | 6:49PM2.25m | 7:19AM2.25m | ||||||||
Low Tide | 8:01AM0.18m | 8:30PM0.32m | 8:56AM0.15m | 9:23PM0.32m | 9:51AM0.18m | 10:17PM0.36m | 10:46AM0.24m | 11:12PM0.43m | 11:43AM0.34m | 00:08AM0.52m | 12:39PM0.45m | 1:05AM0.61m | 1:34PM0.57m | ||||||||
— | 8:30 | — | — | 8:30 | — | — | 8:30 | — | — | 8:30 | — | — | 8:32 | — | — | 8:32 | — | — | 8:32 | — | |
— | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | |
mm | — | — | — | 11 | — | — | — | 1 | — | — | — | — | 22 | 1 | 4 | 2 | — | — | — | — | — |
Temp °C | 9 | 7 | 10 | 10 | 8 | 9 | 7 | 10 | 11 | 8 | 12 | 16 | 16 | 13 | 13 | 12 | 10 | 11 | 10 | 9 | 10 |
Feels °C | 7 | 2 | 4 | 1 | 1 | 3 | 2 | 3 | 5 | 4 | 8 | 12 | 13 | 10 | 9 | 7 | 4 | 4 | 5 | 7 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | W 13 | W 12 | S 14 | S 13 | S 13 | S 12 | S 14 | S 15 | WSW 14 | WSW 13 | WSW 13 | W 10 | W 10 | WSW 17 | S 16 | S 15 | S 13 | S 16 | WSW 15 | WSW 14 |
2160 | 928 | 353 | 129 | 121 | 3 | 3 | 4 | 19 | 1558 | 880 | 361 | 535 | 682 | 336 | 121 | 4 | 4 | 19 | 1875 | 1393 | |
Swell 2 Height (m) Direction Period (s) | S 9 | S 10 | S 11 | SE 14 | SE 13 | S 13 | SSE 15 | — | — | S 16 | S 15 | WSW 21 | WSW 12 | SSE 10 | WSW 12 | S 9 | S 9 | — | — | S 16 | S 15 |
1 | 2 | 2 | 7 | 7 | 56 | 42 | — | — | 21 | 4 | 45 | 210 | 10 | 125 | 13 | 2 | — | — | 19 | 17 | |
Swell 3 Height (m) Direction Period (s) | E 12 | — | S 14 | — | — | SE 12 | — | — | — | — | W 22 | S 12 | WSW 19 | NNW 4 | S 17 | E 8 | S 5 | — | — | — | — |
3 | — | 4 | — | — | 6 | — | — | — | — | 9 | 3 | 148 | 1 | 6 | 1 | 2 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | WNW 7 | W 11 | WSW 12 | WSW 13 | W 12 | W 12 | W 14 | — | — | W 8 | — | WSW 18 | W 10 | WSW 16 | WSW 15 | W 6 | WSW 14 | — | WSW 14 |
— | — | 152 | 2318 | 2267 | 1759 | 1544 | 2049 | 2116 | — | — | 134 | — | 589 | 319 | 1038 | 1184 | 369 | 1752 | — | 21 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 188 | 343 | 124 | 44 | 182 | 44 | 3 | 0 | 0 | 0 | 44 | 124 | 146 | 124 | 44 | 44 | 3 | 0 |
Best forecast wave conditions in Southland | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
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Information about the Colac Bay Surf forecast
The above surf forecast table for Colac Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Colac Bay can be found by selecting the local surf guide option on the grey menu. Our Colac Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Colac Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Colac Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Colac Bay is 30 km (19 miles) from Tuatapere. If you plan a holiday in Southland, look for hotels and other accommodation in Tuatapere. Tuatapere has rooms for a wide range of budgets as well as car hire and transport links.











