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 6 am Monday 22 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
14.3° C
(Which is 2.9°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 11AM is: 1.5m 9s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a Southwest direction (forecast issued at 06:00am December 22). The wind direction is predicted to be cross-onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Dec) | 4.5ft (1.3m) | 9s |
| Afternoon (22 Dec) | 5.5ft (1.7m) | 10s |
| Evening (22 Dec) | 5.5ft (1.7m) | 10s |
Table - waves today at Catlins River Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 22 | Tuesday 23 | Wednesday 24 | Thu 25 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 20 | 19 | 19 | 11 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 123 | 206 | 354 | 452 | 522 | 554 | 565 | 494 | 513 | 467 | 480 | 417 | 347 | 272 | 267 | 220 | 196 | 148 | 103 | 196 | 391 | 461 | 1948 | 781 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross | cross- on | cross | cross | cross | cross | cross- off | cross | cross- off | cross- off | cross- off | cross | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 5:19AM 2.25 | 5:28PM 2.19 | 5:58AM 2.23 | 6:08PM 2.18 | 6:37AM 2.22 | 6:50PM 2.18 | ||||||||||||||||||
Low Tide / height (m) | 11:25AM 0.98 | 11:45PM 0.90 | 12:05PM 0.96 | 12:27AM 0.88 | 12:47PM 0.95 | |||||||||||||||||||
Monday 22 | Tuesday 23 | Wednesday 24 | Thu 25 | |||||||||||||||||||||
| Sunrise | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 9:32 | - | - | - | - | - | - | - | 9:34 | - | - | - | - | - | - | - | 9:34 | - | - |
 |  | |  |  | |  |  | | | | | | |  | | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | 3 | - | - | - | - | - | - | - | - | - | 1 | 3 | 2 | - | - | - | - | - |
| Temp. °C | 6 | 6 | 9 | 11 | 11 | 12 | 12 | 12 | 12 | 13 | 15 | 17 | 18 | 16 | 13 | 12 | 11 | 12 | 13 | 16 | 16 | 14 | 12 | 12 |
| Feels °C (?) | 4 | 3 | 5 | 5 | 5 | 6 | 6 | 7 | 10 | 12 | 14 | 12 | 12 | 11 | 11 | 11 | 9 | 8 | 9 | 11 | 10 | 9 | 9 | 10 |
- 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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