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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 Saturday 23 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
18.4° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 3AM is: 1.9m 7s primary swell from a Southwest direction (forecast issued at 08:30pm May 23). The wind direction is predicted to be onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 6ft (1.8m) | 12s |
| Afternoon (24 May) | 5.5ft (1.7m) | 12s |
| Evening (24 May) | 5.5ft (1.7m) | 11s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Very mild (max 17°C on Mon morning, min 14°C on Sat night). Winds increasing (light winds from the NW on Sat night, strong winds from the S by Mon night). | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 12 | SW 13 | SW 13 | SW 7 | SW 7 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 9 | SSW 9 | SSW 13 | |
260 | 321 | 649 | 355 | 340 | 895 | 822 | 794 | 831 | 647 | 635 | 703 | 680 | 804 | 738 | 709 | 838 | 799 | 781 | 554 | 463 | 311 | 206 | 423 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | |
High Tide | 00:40AM0.64m | 2:06PM0.82m | 11:22PM0.60m | 12:40PM0.77m | 9:50PM0.62m | 11:15AM0.84m | ||||||||||||||||||
Low Tide | 8:46PM0.57m | 6:50AM0.38m | 8:52PM0.59m | 5:27AM0.46m | 6:51PM0.60m | 4:10AM0.42m | ||||||||||||||||||
 | | | |  |  | |  |  | | |  | |  | | | | |  | | | | | | |
 | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — |
 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 |
1 | 1 | 3 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | 1 | 2 | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 14 | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 17 | 16 | 16 | 16 | 16 | 15 | 14 | 15 | 16 | 16 |
11 | 12 | 9 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 9 | 7 | 10 | 11 | 10 | 9 | 8 | 9 | 9 | 9 | 10 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | N 3 | — | — | — | — | — | — | — | — | — | SW 16 | — | — | — | — | — | — | SW 14 | SW 14 | SW 13 | SSW 9 | SSW 13 |
 kJ | 260 | 321 | 1 | — | — | — | — | — | — | — | — | — | 69 | — | — | — | — | — | — | 184 | 147 | 138 | 206 | 423 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSW 19 | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 13 | SW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 37 | — | — | — | — | — | — | — | 69 | 91 | 138 | 159 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 17 | SW 16 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 90 | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 3 | SW 13 | SW 7 | SW 7 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 9 | SE 3 | SSW 16 |
| kJ | 9 | 5 | 649 | 355 | 340 | 895 | 822 | 794 | 831 | 647 | 635 | 703 | 680 | 804 | 738 | 709 | 838 | 799 | 781 | 554 | 463 | 311 | 1 | 82 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 402 | 178 | 401 | 402 | 633 | 401 | 401 | 501 | 401 | 401 | 402 | 401 | 361 | 402 | 302 | 243 | 361 | 302 | 243 | 153 | 243 | 243 | 491 | 491 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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