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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 2 pm Monday 25 May 2026 ACSTForecast 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
18.2° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 8PM is: 1.9m 9s primary swell from a Southwest direction (forecast issued at 02:30pm May 25). The wind direction is predicted to be cross-onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | - | - |
| Afternoon (25 May) | 7ft (2.1m) | 10s |
| Evening (25 May) | 6ft (1.9m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Tue morning. Very mild (max 17°C on Mon afternoon, min 15°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Thu morning). | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 10 | SW 10 | SW 10 | SW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SSW 15 | SSW 9 | SSW 9 | S 9 | SSW 9 | SSW 10 | SSW 9 | SW 13 | SW 13 | SW 13 | SW 18 | SW 18 | SW 18 | SW 17 | |
880 | 815 | 696 | 639 | 578 | 651 | 676 | 565 | 539 | 578 | 1693 | 466 | 374 | 380 | 259 | 197 | 146 | 138 | 136 | 103 | 84 | 83 | 82 | 101 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | off | |
High Tide | 9:50PM0.62m | 11:15AM0.84m | 10:06PM0.67m | 11:00AM0.98m | 10:31PM0.71m | |||||||||||||||||||
Low Tide | 6:51PM0.60m | 4:10AM0.42m | 5:30PM0.52m | 4:04AM0.33m | 5:26PM0.42m | 4:20AM0.25m | ||||||||||||||||||
 | |  | | | | | | | | |  | | | |  | | | | | | |  |  | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | 5:42 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 |
10 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 12 | 10 | 10 | 10 | 11 | 10 | 12 | 13 | 14 | 14 | 15 | 16 | 15 | 15 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | SSW 9 | SSW 10 | SSW 9 | SW 13 | SSW 9 | SW 13 | SSW 9 | SSW 9 | SSW 9 | S 8 |
 kJ | — | — | — | — | — | — | — | — | — | — | — | 206 | 203 | 158 | 259 | 197 | 146 | 138 | 108 | 103 | 80 | 80 | 58 | 49 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 13 | SW 13 | SW 20 | SW 13 | SW 19 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 181 | 144 | 140 | 16 | 136 | 59 | 77 | 72 | 51 | 50 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 22 | SW 21 | SW 21 | — | WSW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 18 | 17 | — | 38 | 95 | 84 | 83 | 82 | 101 |
Wind waves Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SSW 15 | SSW 9 | SSW 9 | S 9 | SSW 14 | SSW 13 | SSW 13 | SSW 9 | SSW 13 | SSW 9 | SSW 13 | SSW 9 | — | — |
| kJ | 880 | 815 | 696 | 639 | 578 | 651 | 676 | 565 | 539 | 578 | 1693 | 466 | 374 | 380 | 62 | 60 | 34 | 110 | 33 | 82 | 31 | 8 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 552 | 552 | 243 | 510 | 500 | 489 | 548 | 489 | 287 | 489 | 489 | 491 | 548 | 361 | 203 | 361 | 491 | 243 | 491 | 1 | 1 | 0 | 0 | 0 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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