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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 9 am Friday 20 Feb 2026 ACDTForecast 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
19.8° 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: 1.5m 14s primary swell from a Southwest direction and 0.4m 14s secondary swell from a Southwest direction (forecast issued at 09:30am February 20). The wind direction is predicted to be cross-shore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Feb) | 5ft (1.6m) | 14s |
| Afternoon (20 Feb) | 5ft (1.6m) | 15s |
| Evening (20 Feb) | 4.5ft (1.3m) | 14s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Mon 23 | |||||||||||||||||||||
| 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 938 | 1006 | 1062 | 899 | 799 | 686 | 651 | 509 | 380 | 325 | 325 | 331 | 402 | 256 | 295 | 363 | 418 | 418 | 658 | 352 | 310 | 398 | 427 | 931 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross | cross | cross | cross- off | cross | cross- off | on | cross | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross | cross- off | cross | cross- off |
High Tide / height (m) | 2:54PM 1.20 | 3:00AM 1.25 | 3:14PM 1.21 | 3:11AM 1.11 | 3:35PM 1.19 | 3:14AM 0.97 | ||||||||||||||||||
Low Tide / height (m) | 8:56AM -0.04 | 8:53PM -0.02 | 9:07AM -0.01 | 9:17PM 0.08 | 9:16AM 0.01 | 9:37PM 0.23 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Mon 23 | |||||||||||||||||||||
| Sunrise | - | 7:18 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:21 | - | - | - |
 |  | | | | | | | | | | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 5 | 3 | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 20 | 20 | 21 | 19 | 19 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 19 | 18 | 17 | 17 | 17 |
| Feels °C (?) | 17 | 20 | 20 | 18 | 20 | 17 | 16 | 20 | 19 | 21 | 20 | 18 | 19 | 20 | 22 | 21 | 22 | 22 | 20 | 15 | 12 | 11 | 12 | 11 |
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Ocean Swells (m)- Wind Speed (km/h)
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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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