Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Catlins River Mouth surfForecast / Catlins / New Zealand
48hr Weather and Surf, issued 12 am Friday 19 Dec 2025 NZDTForecast 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
14.7° C
(Which is 3.3°C warmer than normal for this time of year)How big are the waves at Catlins River Mouth today?
The current surf forecast for Catlins River Mouth at 3AM is: 1.1m 12s primary swell from a Southwest direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 12:00am December 19). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 3ft (0.9m) | 12s |
| Afternoon (19 Dec) | 2.5ft (0.7m) | 11s |
| Evening (19 Dec) | 3ft (0.9m) | 14s |
Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 14 | 14 | 13 | 13 | 7 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 178 | 335 | 324 | 141 | 205 | 177 | 128 | 553 | 342 | 313 | 304 | 261 | 241 | 230 | 220 | 212 | 209 | 1162 | 944 | 845 | 114 | 90 | 82 | 78 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | cross- on | on | cross- on | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | cross |
High Tide / height (m) | 3:20AM 2.27 | 3:36PM 2.23 | 4:01AM 2.27 | 4:13PM 2.22 | 4:40AM 2.26 | 4:50PM 2.21 | ||||||||||||||||||
Low Tide / height (m) | 9:09PM 1.02 | 9:32AM 1.07 | 9:49PM 0.98 | 10:10AM 1.04 | 10:27PM 0.95 | 10:48AM 1.01 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:31 | - | - | - | - | - | - | - | 9:31 | - | - | - | - | - | - | - | 9:32 |
 |  | |  |  | |  | |  |  | |  | | |  | | | | | | | |  | | |
Rain (mm) | 1 | - | 4 | 4 | 8 | 9 | 2 | 1 | - | 1 | 1 | - | 1 | 2 | - | - | - | 1 | 1 | 1 | - | - | - | - |
| Temp. °C | 12 | 13 | 11 | 10 | 9 | 8 | 9 | 10 | 9 | 8 | 8 | 7 | 8 | 10 | 11 | 11 | 10 | 9 | 8 | 9 | 10 | 11 | 11 | 10 |
| Feels °C (?) | 11 | 12 | 9 | 7 | 5 | 4 | 4 | 4 | 3 | 3 | 2 | 1 | 2 | 3 | 3 | 4 | 4 | 3 | 2 | 4 | 5 | 5 | 4 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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