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Catlins River Mouth Surf Forecast
/ Catlins (9 surf breaks) /
Surf Forecasts:
Catlins River Mouth surfForecast / Catlins / New Zealand
16 Day Weather and Surf, issued 11 am Saturday 16 May 2026 NZSTForecast update in hr min s Forecast update imminent
Catlins River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Catlins River Mouth sea temperature is
12.7° C
(Which is 2.3°C warmer than normal for this time of year)Best Forecast Surf Conditions for Catlins River Mouth this week:
The surf forecast for Catlins River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 16) at 9PM. The primary swell is predicted to be 1.3m and 17s period with a secondary swell of 0.7m and 8s. Another secondary swell of 0.5m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Catlins River Mouth in the next 16 days are 1.6m 17s and forecast to arrive on Saturday (May 16) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (May 17) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 16th May) | 4.5ft (1.3m) 17s |
| Best Surf | 9PM (Sat 16th May) | 4.5ft (1.3m) 17s |
| Most Powerful | 6PM (Sat 16th May) | 5ft (1.6m) 17s |
Table - best surf conditions forecast for Catlins River Mouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Mild temperatures (max 9°C on Sat afternoon, min 7°C on Sat morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 14°C on Wed afternoon, min 9°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SSW 19 | SSW 18 | SSW 16 | SSW 16 | SW 14 | SW 14 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 13 | S 19 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 14 | |
651 | 1342 | 733 | 499 | 211 | 206 | 172 | 223 | 148 | 142 | 95 | 73 | 27 | 28 | 63 | 120 | 86 | 100 | 84 | 142 | 93 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross | cross-off | off | on | off | off | glassy | off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | cross | |
High Tide | 2:17PM2.56m | 2:41AM2.51m | 3:11PM2.58m | 3:33AM2.52m | 4:06PM2.56m | 4:26AM2.49m | 5:03PM2.52m | 5:22AM2.44m | 6:01PM2.45m | 6:22AM2.38m | 7:00PM2.37m | 7:26AM2.32m | 8:02PM2.30m | ||||||||
Low Tide | 8:38PM0.74m | 8:59AM0.66m | 9:29PM0.73m | 9:52AM0.64m | 10:21PM0.75m | 10:46AM0.64m | 11:16PM0.78m | 11:43AM0.67m | 00:13AM0.82m | 12:43PM0.72m | 1:12AM0.86m | 1:45PM0.77m | 2:13AM0.91m | ||||||||
 | |  | | | | | | |  | |  |  | |  | | | | |  |  | |
 | 7:56 | — | — | 7:58 | — | — | 7:58 | — | — | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — |
 | — | 5:16 | — | — | 5:15 | — | — | 5:15 | — | — | 5:14 | — | — | 5:13 | — | — | 5:12 | — | — | 5:10 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 10 | |
Temp °C | 7 | 9 | 9 | 7 | 8 | 7 | 8 | 9 | 9 | 9 | 11 | 11 | 13 | 14 | 14 | 13 | 13 | 12 | 15 | 17 | 10 |
5 | 6 | 7 | 5 | 6 | 6 | 7 | 8 | 6 | 5 | 7 | 7 | 10 | 11 | 10 | 10 | 9 | 8 | 11 | 14 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 18 | SSW 16 | SSW 16 | SW 14 | SW 14 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SW 14 | SW 14 | SSW 14 | SW 12 | SW 12 | SSW 18 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 14 |
 kJ | 431 | 1342 | 733 | 499 | 211 | 206 | 172 | 223 | 148 | 142 | 95 | 73 | 19 | 24 | 22 | 120 | 86 | 100 | 84 | 142 | 93 |
Swell 2 Height (m) Direction Period (s) | SSW 19 | E 10 | S 9 | S 8 | SSE 8 | S 7 | S 10 | S 9 | ENE 10 | SSE 11 | ENE 9 | E 9 | SW 13 | S 19 | SSW 18 | WSW 7 | SW 12 | SW 11 | SW 10 | ENE 5 | ENE 6 |
| kJ | 651 | 8 | 73 | 32 | 21 | 8 | 29 | 25 | 9 | 12 | 8 | 2 | 27 | 28 | 63 | 4 | 52 | 29 | 15 | 2 | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | ENE 10 | ENE 4 | ENE 11 | ENE 11 | ENE 11 | SW 12 | ENE 10 | SSE 8 | ENE 9 | S 10 | E 11 | ENE 4 | E 10 | S 11 | S 9 | SSE 9 | SSE 9 | ENE 4 | SE 11 | SE 11 |
| kJ | 7 | 11 | 3 | 13 | 24 | 23 | 24 | 10 | 7 | 9 | 2 | 2 | 2 | 8 | 9 | 6 | 8 | 7 | 2 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | NE 4 | — | — | — | — | — | — | — | — | ENE 3 | — | — | — | — | NE 5 | NE 3 | NE 4 | NE 5 | SSW 4 |
| kJ | — | — | 7 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | 4 | 8 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 10 | 0 | 0 | 0 | 0 |
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 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.
Information about the Catlins River Mouth Surf forecast
The above surf forecast table for Catlins River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 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.
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