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Castles Surf Forecast
/ SA – Nullarbor (9 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Castles surfForecast / SA – Nullarbor / Australia
48hr Weather and Surf, issued 8 pm Wednesday 17 Sep 2025 ACST
How big are the waves at Castles today?
The current surf forecast for Castles at 12AM is: 1.4m 13s primary swell from a Southwest direction (forecast issued at 08:30pm September 17). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.0m) | 12s |
| Afternoon (18 Sep) | 3.5ft (1.1m) | 12s |
| Evening (18 Sep) | 3.5ft (1.1m) | 12s |
Table - waves today at Castles. (Swell directed towards the surf break)
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 999 | 802 | 633 | 430 | 324 | 272 | 228 | 379 | 463 | 309 | 309 | 303 | 298 | 712 | 700 | 980 | 1533 | 1692 | 2229 | 2341 | 2216 | 1796 | 1572 | 1507 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | on | on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 12:54AM 0.72 | 11:52AM 1.10 | 12:21AM 0.79 | 11:55AM 1.17 | 12:12AM 0.91 | 12:04PM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 6:56PM 0.17 | 5:38AM 0.43 | 6:34PM 0.17 | 5:38AM 0.30 | 6:23PM 0.13 | 5:50AM 0.18 | ||||||||||||||||||
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - |
| Sunset | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | |  | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 16 | 17 | 17 | 20 | 25 | 19 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 13 |
| Feels °C (?) | 11 | 10 | 11 | 11 | 11 | 12 | 19 | 11 | 12 | 13 | 12 | 13 | 12 | 11 | 10 | 8 | 9 | 9 | 7 | 6 | 7 | 8 | 9 | 8 |
- Map Icons:
Break
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 SA - Nullarbor
The wind is still offshore at Castles (moderate winds from the ENE at ASCATC133E32S 45 km from Castles). A 1.5m groundswell from the SW
45 km away, 2 h 13 min ago
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