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Backdoors Surf Forecast
/ SA – Nullarbor (9 breaks) / South Australia (91 breaks) /
Backdoors surfForecast / SA – Nullarbor / Australia
48hr Weather and Surf, issued 2 am Sunday 17 Aug 2025 ACST
How big are the waves at Backdoors today?
The current surf forecast for Backdoors at 8AM is: 2.1m 12s primary swell from a Southwest direction (forecast issued at 02:30am August 17). The wind direction is predicted to be onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 6.5ft (2.0m) | 12s |
| Afternoon (17 Aug) | 7ft (2.1m) | 13s |
| Evening (17 Aug) | 6ft (1.9m) | 13s |
Table - waves today at Backdoors. (Swell directed towards the surf break)
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
| 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 | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 15 | 14 | 14 | 18 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1226 | 1182 | 1249 | 1188 | 1226 | 1344 | 1369 | 1192 | 1398 | 1125 | 1188 | 782 | 840 | 938 | 1145 | 750 | 636 | 702 | 1301 | 1095 | 927 | 1082 | 986 | 625 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | on | on | on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross | cross- off | cross- off | off | off | off | off | off | off |
High Tide / height (m) | 3:32AM 0.91 | 1:03PM 0.84 | 3:39AM 0.78 | 12:16PM 0.94 | 2:51AM 0.65 | 12:01PM 1.06 | ||||||||||||||||||
Low Tide / height (m) | 8:32AM 0.67 | 8:15PM 0.15 | 6:58AM 0.72 | 7:54PM 0.17 | 5:25AM 0.62 | 7:31PM 0.18 | ||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - |
 |  |  |  | | | | | | | |  | | | |  | | | | |  | | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 15 | 18 | 19 | 18 |
| Feels °C (?) | 9 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 7 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 6 | 4 | 8 | 11 | 13 | 11 |
- 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 cross-on at Backdoors (moderate winds from the WSW at Thevenard Ntc Aws 63 km from Backdoors). A 1.9m groundswell from the SW
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