Surf Forecasts:
Cannibal Bay surf forecast from 21 Sep 2026:
- Best quality surf: Tuesday 22 Sep, 6PM (local time) - 10ft (3.0m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 28 Sep, 1AM (local time) - 18ft (5.5m), 14s period, SW swell with 12,112 kJ wave energy.
- Next surfable swell (1★+): Tuesday 22 Sep, 9AM (local time) - 6.5ft (2.0m), 16s period with SSW swell.
Best Forecast Surf Conditions for Cannibal Bay this week:
The surf forecast for Cannibal Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 22) at 9AM. The primary swell is predicted to be 2.0m and 16s period with a secondary swell of 1.2m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Cannibal Bay in the next 16 days are 5.5m 14s and forecast to arrive on Monday (Sep 28) at 1AM. 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 Thursday (Sep 24) at 12PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Tue 22nd Sep) | 6.5ft (2.0m) 16s |
| Best Surf | 6PM (Tue 22nd Sep) | 10ft (3.0m) 16s |
| Most Powerful | 1AM (Mon 28th Sep) | 18ft (5.5m) 14s |
Table - best surf conditions forecast for Cannibal Bay over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Mon night. Very mild (max 11°C on Tue morning, min 4°C on Tue night). Winds decreasing (strong winds from the WSW on Tue afternoon, light winds from the NW by Wed night). | Days 5-7 Weather SummaryHeavy rain (total 20mm), heaviest during Sat night. Very mild (max 14°C on Sat morning, min 5°C on Sun morning). Winds increasing (calm on Thu night, strong winds from the SW by Sun morning). | ||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | ||||||||||||||
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) | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | ESE 13 | ESE 13 | SSW 18 | SSW 16 | SSW 12 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1258 | 1875 | 2055 | 2427 | 4051 | 7620 | 1493 | 917 | 1356 | 955 | 586 | 530 | 373 | 158 | 154 | 243 | 441 | 3585 | 12112 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-on | cross | cross-off | off | cross-on | cross | cross | cross | cross-off |
High Tide | 11:21PM2.06m | 11:50AM2.10m | 00:10AM2.12m | 12:35PM2.17m | 00:52AM2.20m | 1:16PM2.24m | 1:31AM2.29m | 1:55PM2.32m | 2:09AM2.37m | 2:33PM2.39m | 2:47AM2.44m | 3:11PM2.44m | |||||||
Low Tide | 5:38AM1.06m | 6:07PM1.08m | 6:26AM0.96m | 6:50PM0.97m | 7:08AM0.87m | 7:28PM0.88m | 7:47AM0.79m | 8:05PM0.80m | 8:26AM0.73m | 8:43PM0.74m | 9:06AM0.70m | 9:23PM0.71m | |||||||
 |  |  | |  |  |  | | | | | | |  | | | | | | |
 | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 7:20 | — | — |
 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:40 | — | — | 6:42 | — | — | 7:43 | — |
mm | 6 | — | 4 | 4 | — | 1 | — | — | 1 | 1 | — | — | — | — | 2 | 13 | 3 | 1 | — |
Temp °C | 7 | 11 | 6 | 6 | 7 | 8 | 8 | 9 | 10 | 9 | 8 | 8 | 8 | 14 | 10 | 7 | 6 | 5 | 8 |
Feels °C | 1 | 4 | -1 | -2 | 0 | 1 | 3 | 4 | 5 | 5 | 5 | 3 | 4 | 12 | 6 | 3 | -5 | -6 | 1 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | ESE 13 | ESE 13 | SSW 18 | SSW 16 | ESE 14 | SSW 15 |
| kJ | 1258 | 1875 | 2055 | 2427 | 4051 | 3479 | 1493 | 917 | 1356 | 955 | 586 | 530 | 373 | 158 | 154 | 243 | 441 | 82 | 5583 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | SW 8 | E 12 | E 12 | E 10 | E 10 | SSW 9 | SSW 9 | E 10 | E 11 | ESE 16 | ESE 16 | ENE 4 | S 9 | S 9 | ESE 12 | ESE 12 | ESE 12 | ESE 13 |
| kJ | 17 | 196 | 25 | 11 | 8 | 8 | 321 | 207 | 8 | 9 | 24 | 25 | 7 | 58 | 39 | 119 | 83 | 45 | 101 |
Swell 3 Height (m) Direction Period (s) | ENE 6 | ESE 13 | — | — | SE 11 | SE 11 | E 9 | E 10 | — | E 16 | E 10 | ESE 13 | ESE 15 | SSW 12 | SW 12 | ENE 6 | ESE 16 | — | — |
| kJ | 4 | 16 | — | — | 5 | 5 | 7 | 8 | — | 5 | 8 | 18 | 85 | 94 | 68 | 3 | 50 | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | — | SW 9 | SSW 9 | — | SW 15 | — | W 3 | W 3 | — | — | — | NE 4 | NNW 2 | WSW 5 | SW 8 | SW 8 | SSW 12 | SW 14 |
| kJ | 169 | — | 226 | 444 | — | 7620 | — | 5 | 5 | — | — | — | 16 | 1 | 5 | 216 | 437 | 3585 | 12112 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 0 | 167 | 5 | 3 | 5 | 3 | 0 | 25 | 0 | 8 | 18 | 0 | 0 | 54 | 105 | 463 | 705 | 54 |
Best forecast wave conditions in Catlins | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cannibal 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 Cannibal Bay Surf forecast
The above surf forecast table for Cannibal Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cannibal Bay can be found by selecting the local surf guide option on the grey menu. Our Cannibal 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 (Cannibal 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 Cannibal 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.
Cannibal Bay is 88 km (55 miles) from Dunedin. If you plan a holiday in Catlins, look for hotels and other accommodation in Dunedin. Dunedin has rooms for a wide range of budgets as well as car hire and transport links.
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