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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 Saturday 09 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
13.4° C
(Which is 2.9°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 Sunday (May 10) at 3AM. The primary swell is predicted to be 6.0m and 14s period with a secondary swell of 3.5m and 15s. Another secondary swell of 0.6m and 11s 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 6.0m 14s and forecast to arrive on Sunday (May 10) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Tuesday (May 12) at 3AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 10th May) | 20ft (6.0m) 14s |
| Best Surf | 3AM (Sun 10th May) | 20ft (6.0m) 14s |
| Most Powerful | 3AM (Sun 10th May) | 20ft (6.0m) 14s |
Table - best surf conditions forecast for Catlins River Mouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Sat night. Very mild (max 12°C on Sat afternoon, min 6°C on Sun afternoon). Winds decreasing (strong winds from the WSW on Sun afternoon, light winds from the WNW by Sun night). | Days 5-7 Weather SummaryMostly dry. Very mild (max 12°C on Wed afternoon, min 7°C on Thu night). Winds decreasing (fresh winds from the WSW on Tue afternoon, calm by Fri morning). | ||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SSW 15 | SW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 17 | SW 16 | SSW 15 | SSW 14 | S 15 | SSW 13 | SSW 13 | SSW 12 | SSW 18 | |
636 | 14154 | 5957 | 5615 | 6850 | 2578 | 1815 | 1135 | 4858 | 6626 | 6361 | 2402 | 4566 | 5650 | 1776 | 1526 | 1910 | 1229 | 901 | 589 | 877 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | glassy | cross-off | off | |
High Tide | 8:36PM2.06m | 9:03AM2.05m | 9:35PM2.08m | 10:01AM2.11m | 10:32PM2.15m | 10:55AM2.20m | 11:24PM2.23m | 11:46AM2.31m | 00:14AM2.33m | 12:36PM2.41m | 1:02AM2.41m | 1:26PM2.50m | 1:51AM2.48m | ||||||||
Low Tide | 2:50AM1.14m | 3:24PM1.06m | 3:50AM1.10m | 4:20PM1.01m | 4:47AM1.04m | 5:14PM0.94m | 5:40AM0.96m | 6:06PM0.88m | 6:30AM0.87m | 6:57PM0.82m | 7:19AM0.78m | 7:47PM0.77m | 8:09AM0.71m | ||||||||
 |  | | |  |  |  |  | | |  | | | | | | | | | | | |
 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 |
 | 5:25 | — | — | 5:23 | — | — | 5:22 | — | — | 5:22 | — | — | 5:20 | — | — | 5:19 | — | — | 5:17 | — | 5:16 |
1 | 14 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 9 | 7 | 7 | 7 | 11 | 11 | 12 | 12 | 11 | 10 | 11 | 12 | 10 | 9 | 10 | 8 | 8 | 8 | 7 | 8 |
5 | 2 | -2 | -3 | 0 | 5 | 6 | 6 | 6 | 4 | 4 | 7 | 9 | 7 | 6 | 7 | 6 | 7 | 6 | 5 | 7 | |
Swell 1 Height (m) Direction Period (s) | SW 10 | SSW 15 | ENE 10 | NE 10 | SSW 14 | SSW 13 | SSW 12 | SSW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | S 15 | SSW 13 | SSW 13 | SSW 12 | SSW 18 |
 kJ | 357 | 4832 | 41 | 27 | 4622 | 2578 | 1815 | 1135 | 3107 | 4527 | 3277 | 2402 | 4566 | 2766 | 1776 | 1526 | 1910 | 1229 | 901 | 589 | 877 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | ENE 11 | NE 15 | NE 14 | ENE 13 | ENE 13 | ENE 12 | S 10 | ENE 11 | ENE 11 | S 22 | S 19 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | SSE 11 | SSW 20 | S 9 |
| kJ | 636 | 133 | 8 | 72 | 60 | 65 | 59 | 212 | 42 | 40 | 750 | 2357 | 24 | 19 | 18 | 8 | 8 | 7 | 12 | 131 | 136 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | — | — | — | — | — | — | ENE 12 | — | S 26 | ENE 11 | ENE 11 | SE 15 | SE 14 | SSE 13 | SE 13 | SE 12 | SE 12 | E 10 | E 10 | E 10 |
| kJ | 81 | — | — | — | — | — | — | 47 | — | 53 | 23 | 24 | 9 | 8 | 17 | 7 | 6 | 5 | 7 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | W 3 | SW 14 | SSW 14 | SSW 14 | SSW 13 | — | WSW 3 | W 3 | SSW 13 | SSW 13 | SSW 14 | — | — | SW 16 | — | — | — | — | — | — | — |
| kJ | 8 | 14154 | 5957 | 5615 | 6850 | — | 5 | 5 | 4858 | 6626 | 6361 | — | — | 5650 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 64 | 109 | 263 | 109 | 110 | 21 | 109 | 57 | 110 | 109 | 8 | 21 | 8 | 8 | 0 | 8 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
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 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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