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Colac Bay Surf Forecast
/ Southland (9 surf breaks) /
Surf Forecasts:
Colac Bay surfForecast / Southland / New Zealand
16 Day Weather and Surf, issued 11 pm Thursday 28 May 2026 NZSTForecast update in hr min s Forecast update imminent
Colac Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Colac Bay sea temperature is
12.9° C
(Which is 1.8°C warmer than normal for this time of year)Colac Bay surf forecast from 28 May 2026:
- Best quality surf: Friday 29 May, 9AM (local time) - 5ft (1.6m), 14s period, WSW swell with cross-offshore winds.
- Most powerful swell: Friday 29 May, 9AM (local time) - 5ft (1.6m), 14s period, WSW swell with 1,017 kJ wave energy.
- Next surfable swell (1★+): Friday 29 May, 9AM (local time) - 5ft (1.6m), 14s 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 (May 29) at 9AM. The primary swell is predicted to be 1.6m and 14s period with a secondary swell of 0.1m and 10s. Another secondary swell of 0.3m and 14s 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 1.6m 14s and forecast to arrive on Friday (May 29) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Jun 03) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Fri 29th May) | 5ft (1.6m) 14s |
| Best Surf | 9AM (Fri 29th May) | 5ft (1.6m) 14s |
| Most Powerful | 9AM (Fri 29th May) | 5ft (1.6m) 14s |
Table - best surf conditions forecast for Colac Bay over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sun afternoon, min 8°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 26mm), heaviest during Mon morning. Very mild (max 14°C on Sun night, min 11°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thu 4 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
WSW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | W 11 | WSW 13 | W 12 | W 11 | W 11 | W 10 | WSW 14 | WSW 13 | |
1559 | 1017 | 683 | 447 | 292 | 213 | 117 | 76 | 51 | 85 | 109 | 133 | 135 | 62 | 181 | 276 | 116 | 83 | 48 | 74 | 68 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | glassy | glassy | on | cross-on | on | glassy | cross-off | glassy | cross-on | cross-on | cross-on | |
High Tide | 11:39PM2.29m | 12:01PM2.33m | 00:19AM2.30m | 12:42PM2.33m | 00:58AM2.29m | 1:22PM2.32m | 1:35AM2.26m | 2:01PM2.29m | 2:11AM2.22m | 2:39PM2.24m | 2:48AM2.17m | 3:18PM2.19m | 3:26AM2.11m | 3:57PM2.15m | |||||||
Low Tide | 5:55AM0.64m | 6:18PM0.71m | 6:37AM0.64m | 6:59PM0.73m | 7:16AM0.64m | 7:38PM0.73m | 7:55AM0.64m | 8:15PM0.74m | 8:32AM0.65m | 8:53PM0.75m | 9:11AM0.66m | 9:30PM0.75m | 9:51AM0.67m | ||||||||
 |  | |  |  |  | | | |  |  | | |  | | | | |  | | | |
 | — | 8:17 | — | — | 8:18 | — | — | 8:18 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — | — | 8:22 | — |
 | — | — | 5:13 | — | — | 5:12 | — | — | 5:10 | — | — | 5:10 | — | — | 5:09 | — | — | 5:09 | — | — | 5:08 |
— | — | — | — | — | — | — | — | — | 2 | 8 | 9 | 1 | 1 | 5 | — | — | — | 11 | 2 | 2 | |
Temp °C | 11 | 9 | 10 | 8 | 11 | 12 | 12 | 14 | 15 | 14 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 11 | 11 | 11 |
7 | 7 | 9 | 6 | 8 | 10 | 7 | 12 | 14 | 13 | 12 | 12 | 10 | 9 | 9 | 10 | 10 | 13 | 9 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | S 16 | WSW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | W 12 | WSW 12 | W 6 | WSW 12 | WSW 11 | WSW 11 | W 11 | WSW 13 | WSW 18 | W 11 | W 6 | W 10 | WSW 14 | WSW 13 |
 kJ | 19 | 1017 | 683 | 447 | 292 | 213 | 117 | 76 | 51 | 26 | 109 | 133 | 135 | 62 | 181 | 30 | 116 | 21 | 48 | 74 | 68 |
Swell 2 Height (m) Direction Period (s) | — | S 10 | S 10 | S 10 | S 9 | S 9 | W 12 | WNW 15 | WNW 7 | WSW 12 | W 5 | — | W 16 | WSW 7 | — | S 12 | W 5 | W 11 | WSW 15 | W 10 | W 9 |
| kJ | — | 2 | 2 | 2 | 2 | 2 | 3 | 21 | 5 | 85 | 7 | — | 5 | 16 | — | 3 | 25 | 83 | 21 | 17 | 24 |
Swell 3 Height (m) Direction Period (s) | — | S 14 | S 12 | — | S 13 | S 12 | — | S 8 | W 13 | E 8 | S 13 | S 12 | — | W 15 | S 8 | ESE 12 | WSW 16 | WSW 15 | WSW 11 | S 14 | SE 8 |
| kJ | — | 4 | 3 | — | 3 | 3 | — | 1 | 3 | 1 | 4 | 3 | — | 39 | 1 | 27 | 25 | 22 | 12 | 16 | 2 |
Wind waves Height (m) Direction Period (s) | WSW 15 | WSW 14 | — | — | — | — | NE 3 | NE 4 | NE 3 | — | — | — | ESE 4 | ESE 3 | — | W 12 | NW 3 | — | NE 3 | NNE 3 | — |
| kJ | 1559 | 38 | — | — | — | — | 2 | 10 | 3 | — | — | — | 1 | 2 | — | 276 | 5 | — | 3 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 44 | 0 | 0 | 3 | 12 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 12 | 12 | 12 | 0 | 0 | 0 | 13 | 17 | 12 |
Best forecast wave conditions in Southland | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Colac Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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