Surf Forecasts:
Catlins River Mouth surf forecast from 3 Oct 2026:
- Best quality surf: Sunday 4 Oct, 10AM (local time) - 3.5ft (1.1m), 14s period, SW swell with glassy winds.
- Most powerful swell: Thursday 8 Oct, 4PM (local time) - 8ft (2.5m), 16s period, SSW swell with 3,334 kJ wave energy.
- Next surfable swell (1★+): Sunday 4 Oct, 10AM (local time) - 3.5ft (1.1m), 14s period with SW swell.
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 (Oct 04) at 10AM. The primary swell is predicted to be 1.1m and 14s period with a secondary swell of 1.3m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Catlins River Mouth in the next 16 days are 2.5m 16s and forecast to arrive on Thursday (Oct 08) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Friday (Oct 09) at 10PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sun 4th Oct) | 3.5ft (1.1m) 14s |
| Best Surf | 10AM (Sun 4th Oct) | 3.5ft (1.1m) 14s |
| Most Powerful | 4PM (Thu 8th Oct) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Catlins River Mouth over the next 16 days.
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 7°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed afternoon. Very mild (max 15°C on Tue night, min 7°C on Wed night). Winds increasing (light winds from the NNW on Wed morning, fresh winds from the ENE by Fri morning). | ||||||||||||||||||||
Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||||
AM | PM | 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) | SW 14 | SSW 14 | SW 13 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 16 | SSW 15 | SSW 17 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 476 | 337 | 257 | 449 | 679 | 958 | 733 | 705 | 1036 | 715 | 715 | 773 | 2842 | 3334 | 2348 | 1254 | 899 | 926 | 679 | 1714 | 1042 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | off | cross-off | cross | off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross | off | glassy | cross | cross-off |
High Tide | 10:04AM2.22m | 10:35PM2.19m | 11:14AM2.23m | 11:43PM2.23m | 12:17PM2.27m | 00:42AM2.30m | 1:13PM2.33m | 1:35AM2.37m | 2:04PM2.39m | 2:24AM2.44m | 2:50PM2.44m | 3:08AM2.48m | 3:33PM2.46m | 3:51AM2.50m | |||||||
Low Tide | 4:17PM0.99m | 4:52AM0.88m | 5:27PM0.95m | 5:58AM0.82m | 6:31PM0.88m | 6:57AM0.75m | 7:27PM0.81m | 7:50AM0.70m | 8:16PM0.75m | 8:38AM0.68m | 9:00PM0.72m | 9:23AM0.69m | 9:43PM0.73m | ||||||||
 | |  | | |  |  |  |  | |  | | | | | | | | | | | |
 | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — |
 | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:55 | — | — | 7:57 | — | — | 7:59 | — | — | 8:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 9 | 11 | 12 | 13 | 17 | 20 | 15 | 15 | 10 | 9 | 7 | 7 | 7 | 11 | 10 | 13 | 13 | 14 | 13 |
Feels °C | 6 | 6 | 7 | 7 | 8 | 11 | 13 | 17 | 13 | 12 | 6 | 5 | 2 | 1 | 1 | 5 | 4 | 11 | 10 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 16 | SSW 15 | SSW 17 | SSW 16 |
| kJ | 280 | 202 | 173 | 449 | 679 | 958 | 733 | 705 | 1036 | 715 | 715 | 773 | 2842 | 3334 | 2348 | 1254 | 899 | 926 | 679 | 1714 | 1042 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SSW 14 | SW 13 | SSE 9 | SSE 9 | ENE 5 | ENE 6 | ENE 6 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 8 | NE 8 | — | — | — | ENE 7 | SSW 19 | ENE 6 | ENE 6 |
| kJ | 476 | 337 | 257 | 141 | 84 | 9 | 12 | 13 | 11 | 14 | 15 | 4 | 6 | 16 | — | — | — | 105 | 497 | 19 | 32 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | — | E 18 | E 15 | E 15 | SSE 8 | S 8 | S 8 | S 9 | S 9 | NE 9 | — | NE 8 | — | — | — | — | — | ENE 6 | S 8 | S 8 |
| kJ | 33 | — | 6 | 4 | 4 | 24 | 11 | 12 | 7 | 7 | 3 | — | 15 | — | — | — | — | — | 31 | 22 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ENE 3 | — | NE 6 | NE 6 | NE 6 | — | — | SSW 6 | — | — | ENE 4 | ENE 5 | ENE 6 | NE 7 | — | — | — |
| kJ | — | — | — | — | 4 | — | 31 | 33 | 36 | — | — | 160 | — | — | 7 | 28 | 150 | 306 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 8 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 10 | 119 | 181 | 293 | 91 | 15 | 115 | 0 | 0 | 91 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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