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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 Thursday 16 Apr 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
19.0° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 12AM is: 1.4m 17s primary swell from a Southwest direction (forecast issued at 08:30pm April 16). The wind direction is predicted to be cross-offshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 4.5ft (1.4m) | 15s |
| Afternoon (17 Apr) | 4.5ft (1.3m) | 14s |
| Evening (17 Apr) | 4.5ft (1.3m) | 14s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 18 | 18 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 513 | 513 | 1174 | 991 | 1068 | 847 | 915 | 641 | 641 | 630 | 451 | 380 | 282 | 277 | 231 | 175 | 134 | 158 | 108 | 228 | 49 | 35 | 61 | 79 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- on | on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 12:20AM 1.14 | 12:31PM 1.40 | 12:40AM 1.05 | 12:52PM 1.47 | 12:54AM 0.93 | 1:13PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 6:23PM -0.03 | 6:14AM -0.02 | 6:52PM -0.04 | 6:26AM -0.03 | 7:19PM 0.01 | 6:36AM -0.04 | ||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - | - |
| Sunset | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - |
 |  |  | |  | | |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 21 | 20 | 20 | 20 | 23 | 26 | 24 | 25 | 25 | 24 | 23 | 24 | 30 | 33 | 27 | 26 | 20 | 18 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 19 | 19 | 18 | 17 | 17 | 16 | 18 | 21 | 21 | 21 | 20 | 18 | 17 | 17 | 22 | 28 | 25 | 23 | 17 | 16 | 16 | 15 | 15 | 14 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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