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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 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
18.4° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 6PM is: 1.0m 14s primary swell from a Southwest direction and 0.3m 14s secondary swell from a Southwest direction (forecast issued at 02:30pm May 15). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | - | - |
| 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 ForecastSome drizzle, heaviest during Sat afternoon. Warm (max 23°C on Fri afternoon, min 15°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 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 | SW 13 | SW 13 | SW 13 | SW 12 | |
412 | 395 | 368 | 352 | 404 | 529 | 573 | 595 | 604 | 1415 | 1402 | 1265 | 1091 | 924 | 736 | 791 | 656 | 553 | 553 | 553 | 553 | 529 | 411 | 392 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | glassy | cross-off | off | cross-on | glassy | on | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:01AM0.87m | 12:13PM1.44m | 00:22AM0.78m | 12:39PM1.48m | 00:36AM0.70m | |||||||||||||||||||
Low Tide | 6:21PM0.06m | 5:35AM0.08m | 6:56PM0.06m | 5:50AM0.05m | 7:27PM0.13m | 6:04AM0.03m | ||||||||||||||||||
 |  |  |  |  | | |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — |
 | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | 5:46 |
1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 21 | 19 | 18 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 |
20 | 21 | 22 | 19 | 17 | 14 | 20 | 16 | 17 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 14 | 13 | 13 | 13 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | 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 | SW 13 | SW 13 | SW 13 | SW 12 |
 kJ | 412 | 395 | 368 | 352 | 404 | 529 | 573 | 595 | 604 | 1415 | 1402 | 1265 | 1091 | 924 | 736 | 791 | 656 | 553 | 553 | 553 | 553 | 529 | 411 | 392 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 23 |
| kJ | — | — | — | — | — | — | — | — | 366 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 21 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 14 | — | — | — | — | SW 14 | SW 14 | SW 17 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | — | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | — |
| kJ | — | — | 30 | — | — | — | — | 67 | 66 | 72 | 9 | 16 | 24 | 23 | 21 | — | 49 | 45 | 44 | 44 | 44 | 43 | 42 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 178 | 1 | 0 | 0 | 0 | 178 | 0 | 402 | 401 | 501 | 489 | 489 | 491 | 491 | 132 | 243 | 243 | 243 | 1 | 1 | 243 | 243 | 243 | 203 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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