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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 Sunday 10 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
18.1° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 2AM is: 0.8m 11s primary swell from a Southwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 08:30pm May 10). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 2.5ft (0.7m) | 10s |
| Afternoon (11 May) | 1.5ft (0.4m) | 13s |
| Evening (11 May) | 2ft (0.6m) | 14s |
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 20°C on Wed morning, min 16°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wednesday 13 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SW 11 | SSW 11 | SW 11 | SW 11 | SSW 11 | SSW 10 | SSW 10 | SW 13 | SSW 10 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | |
255 | 215 | 176 | 121 | 128 | 92 | 88 | 63 | 69 | 167 | 33 | 33 | 53 | 51 | 30 | 49 | 42 | 41 | 45 | 65 | 65 | 69 | 70 | 63 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | |
High Tide | 5:32PM0.80m | 11:33AM0.68m | 9:30PM0.87m | 10:51AM0.84m | 10:21PM0.94m | 11:01AM1.02m | ||||||||||||||||||
Low Tide | 4:36AM0.35m | 3:36PM0.60m | 4:27AM0.26m | 4:28PM0.41m | 4:41AM0.19m | |||||||||||||||||||
 | | | | |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 20 | 20 |
13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 17 | 14 | 14 | 13 | 14 | 14 | 15 | 15 | 18 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SSW 11 | SW 11 | SW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 14 | SSW 8 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 16 | SW 16 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 |
 kJ | 255 | 215 | 176 | 121 | 128 | 92 | 88 | 55 | 64 | 167 | 28 | 30 | 28 | 22 | 21 | 11 | 42 | 41 | 45 | 65 | 65 | 69 | 70 | 63 |
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 14 | SW 13 | SW 13 | SW 16 | SSW 6 | — | SSE 4 | SSE 4 | SSE 4 |
| kJ | — | 57 | 77 | 76 | 71 | 68 | 65 | 63 | 69 | 56 | 33 | 33 | 53 | 51 | 30 | 47 | 27 | 27 | 41 | 4 | — | 6 | 6 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 12 | SW 12 | — | SW 18 | WSW 18 | SW 18 | — | — | SSW 6 | S 7 | — | S 9 | S 9 | S 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 21 | 21 | — | 13 | 30 | 49 | — | — | 8 | 1 | — | 2 | 2 | 5 |
Wind waves Height (m) Direction Period (s) | SSW 12 | SSE 2 | SE 3 | ESE 3 | — | — | — | — | SE 2 | SE 3 | SE 3 | SE 3 | SE 3 | — | — | — | S 7 | S 3 | SSE 3 | SSE 4 | SSE 4 | — | — | SSE 4 |
| kJ | 26 | 1 | 3 | 4 | — | — | — | — | 1 | 1 | 2 | 1 | 1 | — | — | — | 24 | 5 | 4 | 5 | 8 | — | — | 7 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 491 | 0 | 0 | 0 | 0 | 0 | 0 | 132 | 1 | 153 | 1 | 0 | 0 | 0 | 1 | 361 | 489 | 287 | 1 | 0 | 0 | 0 | 0 | 154 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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