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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 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 2AM is: 1.9m 9s primary swell from a South-southwest direction (forecast issued at 08:30pm May 25). The wind direction is predicted to be cross-onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 6.5ft (2.0m) | 9s |
| Afternoon (26 May) | 6ft (1.8m) | 9s |
| Evening (26 May) | 6ft (1.9m) | 14s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Tue morning. Very mild (max 17°C on Tue morning, min 15°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Wed night). | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
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 10 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SSW 15 | SSW 14 | SSW 9 | S 9 | S 9 | SSW 10 | SSW 9 | SW 13 | SW 13 | SW 13 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | |
696 | 604 | 578 | 599 | 691 | 623 | 528 | 539 | 1409 | 1538 | 413 | 372 | 287 | 235 | 149 | 138 | 136 | 103 | 84 | 83 | 82 | 102 | 130 | 130 | |
Wind (km/h) | ||||||||||||||||||||||||
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-off | cross | cross-on | cross-on | cross-on | cross-on | cross | glassy | off | on | cross-on | |
High Tide | 9:50PM0.62m | 11:15AM0.84m | 10:06PM0.67m | 11:00AM0.98m | 10:31PM0.71m | 11:09AM1.11m | ||||||||||||||||||
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 | — | — | — | — | — | — | — | 5:42 |
1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 17 | 17 |
11 | 11 | 11 | 10 | 10 | 10 | 12 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | SW 14 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 8 | S 8 | S 8 |
 kJ | — | — | — | — | — | — | — | — | — | 466 | 203 | 192 | 181 | 235 | 149 | 110 | 84 | 82 | 61 | 61 | 55 | 36 | 34 | 33 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 22 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 16 | SW 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 144 | 140 | 138 | 136 | 103 | 75 | 73 | 51 | 50 | 130 | 130 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 21 | SW 21 | SW 20 | WSW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 12 | SW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | 17 | 16 | 38 | 59 | 84 | 83 | 82 | 102 | 36 | 35 |
Wind waves Height (m) Direction Period (s) | SW 10 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SSW 9 | SW 9 | SW 9 | SSW 15 | SSW 14 | SSW 9 | S 9 | S 9 | S 10 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 9 | — | — | — | — | SSW 16 |
| kJ | 696 | 604 | 578 | 599 | 691 | 623 | 528 | 539 | 1409 | 1538 | 413 | 372 | 287 | 30 | 58 | 34 | 33 | 33 | 8 | — | — | — | — | 26 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 243 | 510 | 500 | 489 | 489 | 548 | 497 | 489 | 361 | 500 | 243 | 489 | 491 | 361 | 489 | 491 | 1 | 132 | 132 | 1 | 0 | 0 | 132 | 491 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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