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Catlins River Mouth Surf Forecast
/ Catlins (9 surf breaks) /
Catlins River Mouth surfForecast / Catlins / New Zealand
48hr Weather and Surf, issued 11 pm Sunday 17 Aug 2025 NZST
How big are the waves at Catlins River Mouth today?
The current surf forecast for Catlins River Mouth at 3AM is: 1.6m 15s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a East-northeast direction (forecast issued at 11:00pm August 17). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.4m) | 14s |
| Afternoon (18 Aug) | 6.5ft (2.0m) | 13s |
| Evening (18 Aug) | 4.5ft (1.3m) | 12s |
Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 8 | 8 | 9 | 9 | 8 | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1374 | 1251 | 1050 | 848 | 789 | 601 | 2054 | 546 | 458 | 1113 | 807 | 893 | 981 | 1048 | 1043 | 3185 | 841 | 777 | 3043 | 2998 | 1268 | 1411 | 1661 | 1942 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross | cross | cross | off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 9:52PM 2.23 | 10:33AM 2.27 | 11:01PM 2.23 | 11:40AM 2.29 | 12:05AM 2.26 | 12:40PM 2.33 | ||||||||||||||||||
Low Tide / height (m) | 4:08AM 0.93 | 4:44PM 1.02 | 5:17AM 0.90 | 5:54PM 0.97 | 6:21AM 0.83 | |||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:33 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:54 | - |
 |  | | |  | | | | | | |  | |  |  | | | | | |  | | | | |
Rain (mm) | - | 1 | 3 | 3 | 2 | 3 | 2 | - | - | 2 | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 8 | 8 | 8 | 6 | 5 | 5 | 6 | 6 | 7 | 6 | 6 | 7 | 8 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 10 | 9 |
| Feels °C (?) | 5 | 6 | 6 | 6 | 6 | 0 | 1 | 2 | 3 | -4 | -2 | -3 | -2 | -1 | 1 | 1 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Catlins
Continuing clean conditions at Catlins River Mouth (light winds from the E at Nugget Point Automatic Weather Station 8 km from Catlins River Mouth). 1.9m 14s groundswell from the SSW with a 0.5m 4s local chop from the SE. 2 swells combining to make bigger set waves.
1 h 26 min ago
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