Surf Forecasts:
Catlins River Mouth surf forecast from 28 Oct 2026:
- Best quality surf: Thursday 29 Oct, 1PM (local time) - 11ft (3.5m), 14s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 30 Oct, 4AM (local time) - 16ft (5.0m), 15s period, SW swell with 10,088 kJ wave energy.
- Next surfable swell (1★+): Thursday 29 Oct, 1PM (local time) - 11ft (3.5m), 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 Thursday (Oct 29) at 1PM. The primary swell is predicted to be 3.5m and 14s period with a secondary swell of 2.5m and 15s. Another secondary swell of 0.2m and 14s 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 5.0m 15s and forecast to arrive on Friday (Oct 30) at 4AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Monday (Nov 02) at 4AM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Thu 29th Oct) | 11ft (3.5m) 14s |
| Best Surf | 1PM (Thu 29th Oct) | 11ft (3.5m) 14s |
| Most Powerful | 4AM (Fri 30th Oct) | 16ft (5.0m) 15s |
Table - best surf conditions forecast for Catlins River Mouth over the next 16 days.
Short Range ForecastModerate rain (total 17mm), heaviest on Fri morning. Very mild (max 13°C on Sat afternoon, min 5°C on Thu night). Winds decreasing (strong winds from the SW on Fri afternoon, light winds from the SSW by Sat afternoon). | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Mon afternoon. Very mild (max 18°C on Sun afternoon, min 8°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||||
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) | SSW 15 | SW 14 | SSW 15 | SSW 14 | SSW 15 | SSW 12 | SSW 14 | SSW 13 | SSW 12 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SSW 16 | SW 14 | SSW 13 | SW 13 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2349 | 5020 | 3644 | 6040 | 4648 | 5719 | 2885 | 1759 | 861 | 304 | 136 | 83 | 136 | 93 | 69 | 136 | 215 | 476 | 304 | 249 | 154 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | glassy | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 6:03PM2.42m | 6:40AM2.43m | 6:59PM2.35m | 7:39AM2.36m | 8:03PM2.28m | 8:43AM2.29m | 9:13PM2.24m | 9:51AM2.25m | 10:21PM2.24m | 10:57AM2.25m | 11:25PM2.27m | 11:58AM2.27m | 00:23AM2.31m | ||||||||
Low Tide | 12:00PM0.81m | 00:25AM0.73m | 12:55PM0.85m | 1:22AM0.77m | 1:54PM0.89m | 2:25AM0.81m | 2:57PM0.93m | 3:31AM0.83m | 4:02PM0.94m | 4:36AM0.83m | 5:08PM0.93m | 5:37AM0.82m | 6:09PM0.90m | ||||||||
 |  |  | | | |  |  |  | | |  | | | |  | |  | | | | |
 | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — |
 | — | 8:27 | — | — | 8:29 | — | — | 8:30 | — | — | 8:31 | — | — | 8:32 | — | — | 8:35 | — | — | 8:36 | — |
mm | 2 | 1 | 4 | 5 | 3 | 2 | — | — | — | — | — | 2 | 5 | 5 | 6 | — | — | — | — | 1 | — |
Temp °C | 7 | 10 | 7 | 7 | 7 | 7 | 11 | 13 | 11 | 16 | 18 | 15 | 10 | 9 | 9 | 11 | 11 | 11 | 15 | 16 | 15 |
Feels °C | -1 | 1 | -1 | -1 | -3 | -3 | 6 | 9 | 8 | 12 | 15 | 12 | 7 | 7 | 7 | 10 | 8 | 9 | 13 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SE 12 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | SSW 13 | S 9 | ENE 6 | ENE 7 | ENE 8 | SW 12 | SW 13 | SW 12 | SW 14 | SSW 13 | SW 13 | SW 12 |
| kJ | 2349 | 3072 | 3644 | 3828 | 23 | 4128 | 2885 | 1759 | 861 | 304 | 56 | 26 | 57 | 39 | 69 | 136 | 205 | 476 | 304 | 249 | 154 |
Swell 2 Height (m) Direction Period (s) | ESE 14 | ESE 13 | SE 11 | SE 12 | — | SE 12 | SE 11 | SE 11 | ENE 4 | S 8 | SW 13 | SW 13 | SW 13 | SW 12 | ENE 8 | SSW 16 | SSW 16 | SE 11 | NE 8 | — | E 5 |
| kJ | 20 | 17 | 19 | 21 | — | 21 | 20 | 20 | 3 | 90 | 136 | 83 | 136 | 93 | 26 | 85 | 215 | 5 | 3 | — | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 11 | SE 13 | SE 13 | SE 12 | SE 12 | SW 6 | SSW 6 | NE 7 | SE 11 | — | E 10 | — | NE 8 |
| kJ | — | — | — | — | — | — | — | — | 19 | 45 | 43 | 23 | 22 | 18 | 13 | 13 | 5 | — | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | W 3 | SW 14 | NW 3 | SSW 14 | SSW 15 | SSW 12 | — | — | NE 4 | NE 6 | NE 6 | NE 6 | — | — | — | — | ENE 7 | ENE 5 | ENE 5 | ENE 6 | — |
| kJ | 5 | 5020 | 2 | 6040 | 4648 | 5719 | — | — | 5 | 25 | 42 | 62 | — | — | — | — | 5 | 34 | 28 | 42 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 61 | 377 | 69 | 57 | 402 | 256 | 8 | 8 | 0 | 0 | 0 | 0 | 8 | 8 | 0 | 0 | 15 | 0 | 0 | 15 | 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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