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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 5 pm Wednesday 22 Apr 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
13.7° C
(Which is 2.6°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 Thursday (Apr 23) at 3AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.8m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Catlins River Mouth in the next 16 days are 4.0m 13s and forecast to arrive on Sunday (Apr 26) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Friday (Apr 24) at 12PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 23rd Apr) | 2.5ft (0.8m) 10s |
| Best Surf | 3AM (Sat 25th Apr) | 11ft (3.5m) 14s |
| Most Powerful | 3PM (Sun 26th Apr) | 13ft (4.0m) 13s |
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. Very mild (max 18°C on Sat morning, min 7°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Sun morning. Very mild (max 19°C on Sat afternoon, min 11°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the W by Mon night). | ||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SSE 8 | E 10 | SSW 16 | SSW 15 | SSW 14 | SSW 8 | SSW 13 | SSW 16 | WSW 8 | SW 10 | SW 12 | SW 12 | SW 13 | SSW 14 | S 10 | WSW 13 | SW 10 | SW 11 | SW 12 | SSW 13 | SSW 13 | |
140 | 133 | 201 | 154 | 138 | 99 | 497 | 1527 | 572 | 273 | 486 | 1100 | 5735 | 1775 | 495 | 1341 | 365 | 1562 | 349 | 545 | 351 | |
Wind (km/h) | |||||||||||||||||||||
cross | off | cross-off | cross | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 7:13PM2.35m | 7:40AM2.27m | 8:21PM2.28m | 8:52AM2.23m | 9:30PM2.24m | 9:59AM2.24m | 10:34PM2.24m | 11:00AM2.26m | 11:31PM2.27m | 11:54AM2.30m | 00:21AM2.30m | 12:42PM2.35m | 1:06AM2.34m | ||||||||
Low Tide | 1:26AM0.92m | 1:59PM0.84m | 2:32AM0.96m | 3:07PM0.86m | 3:40AM0.96m | 4:12PM0.85m | 4:44AM0.94m | 5:11PM0.84m | 5:42AM0.90m | 6:05PM0.83m | 6:32AM0.87m | 6:53PM0.83m | 7:16AM0.85m | ||||||||
 |  |  | | | | |  |  | | |  | | | | | | | |  | | |
 | — | — | 7:28 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 |
 | 5:52 | — | — | 5:50 | — | — | 5:47 | — | — | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — | 5:42 | — | 5:39 |
— | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 8 | 10 | 12 | 11 | 15 | 14 | 15 | 18 | 19 | 19 | 13 | 13 | 12 | 15 | 16 | 13 | 14 | 14 | 12 | 13 |
6 | 5 | 8 | 9 | 8 | 12 | 10 | 11 | 14 | 14 | 14 | 8 | 9 | 9 | 11 | 11 | 8 | 9 | 9 | 8 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | S 7 | SSW 7 | SSW 8 | SSW 13 | SSW 16 | SW 8 | SW 10 | SW 12 | — | SSW 15 | SSW 14 | S 10 | S 10 | S 9 | SW 11 | SW 12 | SSW 13 | SSW 13 |
 kJ | 140 | 133 | 101 | 51 | 58 | 91 | 497 | 1527 | 154 | 273 | 486 | — | 2542 | 1775 | 495 | 392 | 134 | 350 | 349 | 545 | 351 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SSW 14 | SSW 15 | E 9 | — | — | — | SW 14 | SSW 14 | SW 7 | SSE 9 | SSW 14 | S 20 | S 18 |
| kJ | 59 | 118 | 94 | 106 | 68 | 68 | 45 | 26 | 431 | 188 | 2 | — | — | — | 276 | 74 | 65 | 42 | 118 | 196 | 311 |
Swell 3 Height (m) Direction Period (s) | E 6 | SSW 18 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 20 | — | E 9 | SSW 12 | S 20 | — | — | — | — | WSW 12 | SW 10 | SSW 9 | S 8 | SE 13 | SE 12 |
| kJ | 20 | 104 | 201 | 154 | 138 | 99 | 37 | — | 6 | 14 | 8 | — | — | — | — | 14 | 35 | 26 | 34 | 7 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | WNW 3 | SW 7 | SW 6 | — | — | WSW 3 | WSW 8 | W 3 | WNW 3 | SW 12 | SW 13 | — | — | WSW 13 | SW 10 | SW 11 | WSW 3 | — | — |
| kJ | — | — | 1 | 86 | 136 | — | — | 3 | 572 | 5 | 2 | 1100 | 5735 | — | — | 1341 | 365 | 1562 | 2 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 8 | 0 | 0 | 8 | 0 | 0 | 8 | 8 | 0 | 0 | 57 | 10 | 8 | 0 | 0 | 8 | 10 | 57 | 8 | 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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