Using Surf-Forecast’s Historical Surf Data To Find The Cleanest Waves On Earth
Our historical stats breakdown what waves are offshore almost all the time.
Surf Forecasts:
The surf forecast for Catlins River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 22) at 4PM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.7m and 18s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Catlins River Mouth in the next 12 days are 6.0m 12s and forecast to arrive on Sunday (Jan 25) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 6s period and expected on Thursday (Jan 29) at 4AM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Thu 22nd Jan) | 5ft (1.6m) 8s |
| Best Surf | 7AM (Sun 25th Jan) | 20ft (6.0m) 12s |
| Most Powerful | 7AM (Sun 25th Jan) | 20ft (6.0m) 12s |
Table - best surf conditions forecast for Catlins River Mouth over the next 12 days.
Short Range Forecast Moderate rain (total 13mm), heaviest on Sat morning. Very mild (max 14°C on Wed night, min 11°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the SW by Sat afternoon). | Days 3-6 Weather Summary Heavy rain (total 22mm), heaviest during Sun morning. Very mild (max 14°C on Tue afternoon, min 10°C on Sat night). Winds decreasing (strong winds from the SW on Sat night, moderate winds from the WSW by Mon night). | |||||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wed 28 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||
| Wave Height (m) & direction (?) | ENE | ENE | E | SSW | ENE | E | E | E | E | SSW | S | S | S | S | S | S | S | S | S | SSE | SSE | |
| Period(s) (?) | 8 | 8 | 8 | 16 | 10 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | |
Wave (?)Graph | ||||||||||||||||||||||
| 368 | 597 | 349 | 487 | 418 | 639 | 814 | 621 | 606 | 3385 | 8683 | 4967 | 2965 | 2196 | 1878 | 1403 | 1085 | 656 | 393 | 240 | 167 | ||
Wind (km/h) | NE | NE | NNE | WSW | SW | SW | WSW | SW | SSW | SW | SSW | SW | WSW | WSW | SW | WSW | WSW | SW | W | NW | NNE | |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross | cross | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross | cross- off | cross- off | cross | cross- off | off | cross- off | |
High Tide / height (m) | 6:10AM 2.31 | 6:24PM 2.31 | 6:50AM 2.31 | 7:08PM 2.31 | 7:33AM 2.30 | 7:57PM 2.29 | 8:22AM 2.27 | 8:52PM 2.27 | 9:20AM 2.24 | 9:56PM 2.25 | 10:25AM 2.23 | 11:04PM 2.26 | 11:33AM 2.24 | |||||||||
Low Tide / height (m) | 12:03AM 0.75 | 12:20PM 0.81 | 12:46AM 0.77 | 1:04PM 0.83 | 1:31AM 0.81 | 1:51PM 0.87 | 2:20AM 0.86 | 2:43PM 0.91 | 3:14AM 0.93 | 3:41PM 0.94 | 4:13AM 0.98 | 4:45PM 0.95 | 5:18AM 1.00 | 5:51PM 0.92 | ||||||||
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wed 28 | ||||||||||||||||
| Sunrise | - | 6:16 | - | - | 6:18 | - | - | 6:18 | - | - | 6:20 | - | - | 6:22 | - | - | 6:24 | - | - | 6:24 | - | |
| Sunset | - | - | 9:25 | - | - | 9:25 | - | - | 9:24 | - | - | 9:23 | - | - | 9:22 | - | - | 9:21 | - | - | 9:20 | |
Rain (mm) | - | 1 | 3 | 1 | 2 | - | - | 3 | 3 | 12 | 6 | 2 | 2 | - | - | - | - | - | 1 | - | 4 | |
| Temp. °C | 14 | 14 | 14 | 13 | 12 | 13 | 12 | 13 | 12 | 11 | 12 | 12 | 12 | 12 | 13 | 12 | 13 | 14 | 11 | 15 | 13 | |
| Feels °C (?) | 9 | 12 | 14 | 12 | 9 | 8 | 7 | 9 | 6 | 4 | 5 | 6 | 6 | 6 | 8 | 7 | 8 | 9 | 8 | 14 | 12 | |

Our historical stats breakdown what waves are offshore almost all the time.

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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 Catlins River Mouth 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.
The above surf forecast table for Catlins River Mouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Catlins River Mouth can be found by selecting the local surf guide option on the grey menu. Our Catlins River Mouth 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 (Catlins River Mouth) 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 Catlins River Mouth 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.
Catlins River Mouth is 91 km (57 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.

