Surf Forecasts:
Colac Bay surf forecast from 13 Nov 2026:
- Best quality surf: Friday 13 Nov, 4AM (local time) - 7.5ft (2.3m), 12s period, WSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 18 Nov, 7PM (local time) - 10ft (3.0m), 12s period, WSW swell with 2,511 kJ wave energy.
- Next surfable swell (1★+): Friday 13 Nov, 4AM (local time) - 7.5ft (2.3m), 12s period with WSW 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 Friday (Nov 13) at 4AM. The primary swell is predicted to be 2.3m and 12s period with a secondary swell of 0.1m and 13s. Another secondary swell of 0.1m and 9s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Colac Bay in the next 16 days are 3.0m 12s and forecast to arrive on Wednesday (Nov 18) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Monday (Nov 23) at 7PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Fri 13th Nov) | 7.5ft (2.3m) 12s |
| Best Surf | 4AM (Fri 13th Nov) | 7.5ft (2.3m) 12s |
| Most Powerful | 7PM (Wed 18th Nov) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Colac Bay over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 17°C on Sat afternoon, min 8°C on Thu night). Winds decreasing (fresh winds from the WSW on Fri afternoon, calm by Sat night). | Days 5-7 Weather SummaryModerate rain (total 17mm), heaviest on Mon morning. Very mild (max 13°C on Sun afternoon, min 6°C on Mon night). Winds increasing (light winds from the NW on Sun night, strong winds from the W by Tue night). | |||||||||||||||||||
Thu 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 8 | WSW 13 | WSW 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 11 | W 10 | W 10 | W 15 | WSW 14 | WSW 14 | WSW 13 | W 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 947 | 1697 | 1174 | 2088 | 870 | 486 | 470 | 176 | 288 | 489 | 1550 | 1382 | 1526 | 1359 | 1380 | 2084 | 1629 | 2393 | 2472 | 2248 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | glassy | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:28AM2.24m | 4:36PM2.15m | 5:09AM2.16m | 5:19PM2.07m | 5:53AM2.09m | 6:07PM2.01m | 6:41AM2.03m | 7:01PM1.97m | 7:33AM2.00m | 7:59PM1.98m | 8:30AM2.01m | 8:55PM2.03m | ||||||||
Low Tide | 10:22PM0.68m | 10:43AM0.80m | 11:03PM0.73m | 11:25AM0.84m | 11:48PM0.77m | 12:09PM0.87m | 00:37AM0.79m | 12:58PM0.88m | 1:31AM0.80m | 1:52PM0.88m | 2:26AM0.78m | 2:49PM0.85m | 3:19AM0.75m | |||||||
 |  |  | |  | |  | | |  |  | |  | | | |  | | | | |
 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — |
 | 8:54 | — | — | 8:55 | — | — | 8:58 | — | — | 8:59 | — | — | — | 9:00 | — | — | 9:01 | — | — | 9:04 |
mm | 1 | — | — | — | — | — | — | — | — | 4 | 4 | 6 | — | — | — | 1 | 2 | — | — | — |
Temp °C | 11 | 11 | 14 | 15 | 13 | 16 | 17 | 15 | 17 | 13 | 12 | 10 | 10 | 9 | 13 | 12 | 11 | 11 | 10 | 10 |
Feels °C | 4 | 5 | 7 | 7 | 8 | 15 | 14 | 11 | 13 | 10 | 9 | 2 | 2 | 2 | 6 | 6 | 3 | 2 | 2 | 3 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 13 | S 14 | S 15 | S 14 | WSW 12 | S 11 | W 7 | W 10 | W 10 | S 15 | S 15 | S 14 | S 14 | S 13 | S 14 | S 14 | S 13 | — | S 14 |
| kJ | 38 | 3 | 4 | 4 | 4 | 486 | 89 | 65 | 288 | 489 | 4 | 104 | 103 | 4 | 3 | 91 | 57 | 121 | — | 526 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | E 9 | E 9 | — | E 12 | W 20 | E 11 | WSW 11 | WSW 16 | WSW 16 | E 7 | E 7 | S 4 | S 13 | E 8 | SW 12 | SW 12 | — | S 6 | — |
| kJ | 8 | 2 | 1 | — | 3 | 8 | 2 | 176 | 53 | 102 | 4 | 4 | 6 | 3 | 1 | 6 | 6 | — | 2 | — |
Swell 3 Height (m) Direction Period (s) | S 15 | — | — | — | — | — | S 20 | WSW 18 | S 9 | SSE 9 | S 8 | W 6 | E 7 | E 8 | — | E 9 | — | — | — | — |
| kJ | 17 | — | — | — | — | — | 8 | 31 | 2 | 8 | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 8 | WSW 13 | WSW 13 | W 13 | W 12 | — | WSW 12 | — | N 3 | SSW 15 | W 15 | WSW 14 | WSW 14 | WSW 13 | W 13 | W 13 | W 12 | WSW 12 | WSW 12 | WSW 13 |
| kJ | 947 | 1697 | 1174 | 2088 | 870 | — | 470 | — | 1 | 23 | 1550 | 1382 | 1526 | 1359 | 1380 | 2084 | 1629 | 2393 | 2472 | 2248 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 221 | 44 | 0 | 124 | 0 | 0 | 0 | 0 | 0 | 124 | 0 | 473 | 146 | 44 | 0 | 124 | 180 | 180 | 229 | 124 |
Best forecast wave conditions in Southland | ||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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.
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