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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 Friday 15 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 9AM is: 1.0m 15s primary swell from a Southwest direction (forecast issued at 02:30am May 15). The wind direction is predicted to be cross-offshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 3.5ft (1.0m) | 15s |
| Afternoon (15 May) | 3.5ft (1.0m) | 14s |
| Evening (15 May) | 3.5ft (1.0m) | 13s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Fri morning. Warm (max 23°C on Fri afternoon, min 15°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | |
612 | 566 | 558 | 424 | 412 | 395 | 368 | 352 | 404 | 529 | 648 | 681 | 604 | 1436 | 1402 | 1265 | 1091 | 924 | 984 | 791 | 656 | 553 | 553 | 553 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross | cross | glassy | off | cross-off | cross-on | cross | cross-on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 11:33PM0.93m | 11:47AM1.34m | 00:01AM0.87m | 12:13PM1.44m | 00:22AM0.78m | 12:39PM1.48m | ||||||||||||||||||
Low Tide | 5:17AM0.11m | 6:21PM0.06m | 5:35AM0.08m | 6:56PM0.06m | 5:50AM0.05m | 7:27PM0.13m | ||||||||||||||||||
 | |  |  |  |  |  | | |  | | | | |  | | | | |  | | | | | |
 | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — |
— | — | 3 | 3 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 20 | 18 | 18 | 22 | 23 | 23 | 19 | 19 | 19 | 19 | 19 | 20 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 |
19 | 17 | 17 | 15 | 19 | 23 | 23 | 18 | 18 | 17 | 16 | 17 | 18 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
 kJ | 612 | 566 | 558 | 424 | 412 | 395 | 368 | 352 | 404 | 529 | 648 | 681 | 604 | 1436 | 1402 | 1265 | 1091 | 924 | 984 | 791 | 656 | 553 | 553 | 553 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 18 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 366 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNE 2 | — | — | — | — | — | — | NE 2 | — | SW 14 | WSW 14 | W 3 | SW 17 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | S 5 | — | SW 14 | SW 13 | SW 13 | — |
| kJ | — | 1 | — | — | — | — | — | — | 1 | — | 73 | 75 | 3 | 100 | 13 | 27 | 28 | 31 | 2 | — | 49 | 45 | 44 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 1 | 0 | 1 | 203 | 1 | 0 | 0 | 0 | 178 | 0 | 402 | 401 | 501 | 501 | 501 | 552 | 491 | 153 | 132 | 491 | 491 | 243 | 1 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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