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:
Castles surfForecast / SA – Nullarbor / Australia
48hr Weather and Surf, issued 3 am Friday 02 Jan 2026 ACDTForecast update in hr min s Forecast update imminent
Castles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles sea temperature is
19.8° C
(Which is slightly warmer than usual)How big are the waves at Castles today?
The current surf forecast for Castles at 10AM is: 0.7m 18s primary swell from a Southwest direction and 0.7m 6s secondary swell from a South direction (forecast issued at 03:30am January 02). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jan) | 2ft (0.6m) | 19s |
| Afternoon (02 Jan) | 4.5ft (1.4m) | 17s |
| Evening (02 Jan) | 5ft (1.5m) | 16s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 02 | Saturday 03 | Sunday 04 | ||||||||||||||||||||||
| 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 | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 20 | 20 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 121 | 141 | 239 | 325 | 447 | 864 | 517 | 929 | 635 | 701 | 603 | 580 | 528 | 682 | 447 | 387 | 366 | 290 | 282 | 239 | 239 | 235 | 187 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 1:02AM 1.35 | 1:30PM 0.57 | 1:32AM 1.42 | 1:42PM 0.59 | 1:58AM 1.43 | 1:53PM 0.63 | ||||||||||||||||||
Low Tide / height (m) | 8:19AM 0.14 | 6:23PM 0.20 | 8:40AM 0.16 | 6:51PM 0.13 | 8:56AM 0.20 | 7:17PM 0.08 | ||||||||||||||||||
Friday 02 | Saturday 03 | Sunday 04 | ||||||||||||||||||||||
| Sunrise | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:46 | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:47 | - |
 | |  | | |  |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 17 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 17 |
| Feels °C (?) | 14 | 15 | 13 | 17 | 17 | 15 | 14 | 14 | 13 | 15 | 14 | 15 | 15 | 13 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 15 | 14 | 13 |
- 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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