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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 am Tuesday 05 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
18.8° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 7AM is: 1.4m 13s primary swell from a Southwest direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 02:30am May 05). The wind direction is predicted to be cross-onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 4.5ft (1.4m) | 13s |
| Afternoon (05 May) | 4.5ft (1.3m) | 13s |
| Evening (05 May) | 3.5ft (1.1m) | 12s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Tue morning, min 14°C on Thu night). Winds increasing (calm on Tue night, fresh winds from the SSE by Wed night). | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 18 | SW 18 | SSW 12 | SSW 16 | SW 16 | SSW 16 | SW 16 | |
638 | 563 | 659 | 604 | 527 | 511 | 392 | 314 | 783 | 695 | 598 | 581 | 471 | 632 | 286 | 277 | 273 | 307 | 307 | 603 | 1677 | 1869 | 2032 | 1845 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | glassy | cross-on | glassy | on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | |
High Tide | 00:55AM0.90m | 1:25PM1.38m | 1:11AM0.87m | 1:48PM1.31m | 1:28AM0.81m | 2:13PM1.23m | ||||||||||||||||||
Low Tide | 6:45AM-0.03m | 7:49PM0.19m | 7:03AM0.01m | 8:14PM0.26m | 7:21AM0.07m | 8:43PM0.36m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | |  | | | | | | | | | | | |
 | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
12 | 14 | 14 | 13 | 14 | 14 | 14 | 15 | 16 | 15 | 16 | 15 | 14 | 12 | 13 | 11 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 20 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SSW 16 | SW 16 | SSW 16 | SW 16 |
 kJ | 638 | 563 | 659 | 604 | 527 | 511 | 392 | 314 | 783 | 695 | 598 | 581 | 471 | 186 | 286 | 277 | 273 | 256 | 292 | 603 | 1677 | 1869 | 2032 | 1845 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 18 | S 24 | SW 16 | SW 16 | SW 16 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | — | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 14 | — | — | — | — |
| kJ | — | — | — | 12 | 11 | 96 | 163 | 306 | 72 | 72 | 71 | 102 | 134 | — | 133 | 131 | 199 | 307 | 307 | 305 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 24 | SW 24 | — | — | — | — | — | — | — | SW 16 | SW 16 | — | — | SW 15 | SW 18 | — | — | — | — |
| kJ | — | — | — | — | — | 22 | 22 | — | — | — | — | — | — | — | 40 | 66 | — | — | 55 | 252 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 11 | SW 13 | SW 13 | SSW 13 | SW 13 | SW 13 | — | — | — | — | SW 15 | SW 14 | SW 14 | SW 13 | S 5 | S 5 | S 5 | S 6 | S 8 | S 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 33 | 42 | 43 | 65 | 42 | 41 | — | — | — | — | 54 | 53 | 50 | 632 | 36 | 50 | 94 | 163 | 187 | 64 | 78 | 84 | 84 | 83 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 648 | 491 | 132 | 1 | 1 | 1 | 1 | 1 | 0 | 203 | 0 | 1093 | 1227 | 1219 | 1219 | 1438 | 1439 | 1217 | 552 | 491 | 552 | 491 | 491 | 491 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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