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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 Tuesday 19 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
18.3° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 6PM is: 1.2m 11s primary swell from a Southwest direction and 0.4m 18s secondary swell from a Southwest direction, 0.4m 18s secondary swell from a Southwest direction (forecast issued at 02:30pm May 19). The wind direction is predicted to be cross-onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 4ft (1.2m) | 12s |
| Evening (19 May) | 4ft (1.2m) | 11s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Thu afternoon, min 14°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the NNE by Fri morning). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | |
383 | 376 | 363 | 357 | 344 | 263 | 263 | 224 | 306 | 302 | 295 | 280 | 262 | 528 | 520 | 520 | 513 | 387 | 382 | 317 | 199 | 215 | 212 | 281 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | glassy | glassy | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | off | off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:28PM1.39m | 00:40AM0.65m | 1:48PM1.28m | 00:38AM0.67m | 2:05PM1.16m | 00:41AM0.69m | ||||||||||||||||||
Low Tide | 8:13PM0.36m | 6:32AM0.02m | 8:25PM0.45m | 6:47AM0.06m | 8:31PM0.52m | 7:00AM0.14m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — |
 | — | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | 5:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 17 | 15 | 16 | 16 | 16 | 15 | 15 | 19 | 20 | 21 | 20 | 19 | 17 | 16 | 16 |
12 | 12 | 13 | 12 | 13 | 14 | 13 | 13 | 15 | 15 | 11 | 14 | 13 | 13 | 11 | 11 | 15 | 18 | 18 | 16 | 15 | 11 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 |
 kJ | 112 | 155 | 363 | 357 | 344 | 263 | 263 | 224 | 228 | 250 | 255 | 255 | 217 | 528 | 520 | 520 | 513 | 387 | 382 | 317 | 199 | 215 | 212 | 281 |
Swell 2 Height (m) Direction Period (s) | — | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 | — |
| kJ | — | 255 | 112 | 155 | 192 | 188 | 169 | 211 | 306 | 302 | 295 | 280 | 262 | — | — | — | — | — | — | — | 90 | 42 | 68 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 12 | SW 12 | SW 18 | SW 11 | — | — | — | — | — | — | SSE 2 | — | E 2 | ENE 3 | — | NE 3 | — | — | — | E 3 | NE 3 | NNE 3 | N 4 | N 4 |
| kJ | 383 | 376 | 81 | 32 | — | — | — | — | — | — | 1 | — | 1 | 2 | — | 1 | — | — | — | 1 | 2 | 5 | 9 | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1035 | 1049 | 552 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 178 | 1 | 402 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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