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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 Sunday 31 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
17.7° C
(Which is normal for this time of year)How big are the waves at Castles today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.1m), 10s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 3.5ft (1.1m), 13s period with SW swell.
The current surf forecast for Castles at 7PM is: 1.1m 11s primary swell from a Southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 02:30pm May 31). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| Afternoon (31 May) | 3.5ft (1.1m) | 10s |
| Evening (31 May) | 3.5ft (1.1m) | 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 7mm), mostly falling on Sun night. Warm (max 23°C on Sun night, min 14°C on Tue night). Winds increasing (moderate winds from the N on Sun night, gales from the WNW by Mon night). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 11 | SW 10 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | W 8 | W 9 | W 10 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | SW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | WSW 12 | WSW 12 | |
319 | 277 | 254 | 386 | 380 | 326 | 306 | 252 | 359 | 719 | 1029 | 1947 | 2543 | 2762 | 2798 | 2789 | 2731 | 2757 | 2615 | 2143 | 1572 | 1522 | 1562 | 1536 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 00:08AM0.80m | 12:34PM1.37m | 00:29AM0.80m | 12:58PM1.37m | 00:51AM0.80m | |||||||||||||||||||
Low Tide | 6:46PM0.17m | 5:48AM0.06m | 7:09PM0.17m | 6:11AM0.04m | 7:33PM0.19m | 6:35AM0.04m | ||||||||||||||||||
 | |  |  | | |  |  | | | | | |  | |  | | | |  | | | | | |
 | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — |
 | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | 5:40 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 1 | — | 1 | — | |
Temp °C | 17 | 16 | 19 | 21 | 23 | 20 | 17 | 20 | 20 | 19 | 19 | 17 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 15 |
12 | 11 | 13 | 12 | 15 | 16 | 13 | 14 | 9 | 8 | 9 | 6 | 3 | 3 | 4 | 6 | 6 | 7 | 9 | 10 | 10 | 9 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 10 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SSW 12 | SW 17 | — | — | — | — | — | — | — | — | — | — | — | SSW 12 | SSW 12 |
 kJ | 319 | 277 | 254 | 386 | 380 | 326 | 306 | 252 | 359 | 230 | 71 | — | — | — | — | — | — | — | — | — | — | — | 1302 | 658 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 13 | — | — | — | SW 18 | SW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 12 | 7 | — | — | — | 12 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | N 3 | NNE 3 | NNE 4 | N 4 | NNW 4 | NNW 4 | WNW 4 | W 6 | W 8 | W 9 | W 10 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | SW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | WSW 12 | WSW 12 |
| kJ | 1 | 5 | 6 | 16 | 33 | 24 | 13 | 42 | 335 | 719 | 1029 | 1947 | 2543 | 2762 | 2798 | 2789 | 2731 | 2757 | 2615 | 2143 | 1572 | 1522 | 1562 | 1536 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 402 | 402 | 642 | 649 | 649 | 1132 | 1227 | 1394 | 1406 | 978 | 1344 | 986 | 1149 | 1171 | 1227 | 1045 | 1171 | 1240 | 1227 | 1227 | 1229 | 402 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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