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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 Saturday 09 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 1AM is: 1.2m 13s primary swell from a Southwest direction and 0.6m 4s secondary swell from a South direction (forecast issued at 08:30pm May 09). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 3.5ft (1.1m) | 12s |
| Afternoon (10 May) | 3.5ft (1.0m) | 12s |
| Evening (10 May) | 3ft (0.9m) | 11s |
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 18°C on Sun night, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tuesday 12 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 14 | SW 15 | S 9 | SW 14 | SW 14 | SW 14 | SW 14 | |
572 | 596 | 424 | 410 | 397 | 336 | 325 | 273 | 255 | 179 | 154 | 151 | 128 | 118 | 88 | 75 | 75 | 183 | 33 | 39 | 53 | 51 | 30 | 49 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | glassy | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross | cross | |
High Tide | 5:32PM0.80m | 11:33AM0.68m | 9:30PM0.87m | 10:51AM0.84m | ||||||||||||||||||||
Low Tide | 6:43AM0.38m | 4:36AM0.35m | 3:36PM0.60m | 4:27AM0.26m | ||||||||||||||||||||
 | |  | | |  | | |  | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 18 | 18 |
12 | 12 | 12 | 13 | 14 | 14 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 14 | SSW 8 | S 9 | SSW 8 | SSW 8 | SSW 8 | SW 14 |
 kJ | 572 | 596 | 424 | 410 | 397 | 336 | 325 | 273 | 255 | 179 | 154 | 151 | 128 | 118 | 88 | 75 | 75 | 183 | 27 | 39 | 24 | 21 | 19 | 47 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 14 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 18 |
| kJ | — | — | — | — | — | — | — | — | — | 57 | 77 | 76 | 71 | 68 | 65 | 63 | 69 | 56 | 33 | 33 | 53 | 51 | 30 | 49 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | SW 12 | — | SW 18 | WSW 18 | SW 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 21 | 21 | — | 13 | 30 | 49 |
Wind waves Height (m) Direction Period (s) | SSW 13 | S 13 | S 4 | — | — | — | — | — | — | — | SE 2 | ESE 2 | — | — | — | — | — | — | ESE 3 | — | — | — | — | S 7 |
| kJ | 58 | 87 | 15 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 489 | 489 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 489 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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