Castles surfForecast / SA – Nullarbor / Australia

information circle48hr Weather and Surf, issued 8 am Monday 11 May 2026 ACST
Forecast 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 3PM is: 0.6m 10s primary swell from a South-southwest direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 08:30am May 11). The wind direction is predicted to be cross-shore.

Time (ACST) & DateWave HeightWave Period
Morning (11 May)2.5ft (0.7m)10s
Afternoon (11 May)2ft (0.6m)10s
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 Forecast

Mostly dry. Warm (max 20°C on Wed morning, min 16°C on Mon night). Wind will be generally light.

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
1
1
1
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
11
0.7
SSW
10
0.7
SSW
10
0.6
SSW
10
0.4
SW
14
0.6
SW
14
0.5
SSW
12
0.3
SW
15
0.4
SW
14
0.4
SW
14
0.3
SW
14
0.4
SW
14
0.3
SW
16
0.3
SW
16
0.4
SW
13
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
16
0.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
128
92
88
64
69
167
77
33
53
51
30
49
42
41
45
65
65
69
70
63
61
61
66
79
Wind (km/h)
10
NE
10
NE
5
SE
15
SSE
15
SE
15
SE
15
ESE
10
E
10
E
5
E
10
SE
20
S
20
SSE
15
SE
15
SE
15
ESE
10
ENE
10
NE
5
ESE
15
SSE
20
SE
15
ESE
15
ENE
10
ENE
off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross
cross-off
cross-off
off
off
High Tide
11:33AM0.68m
9:30PM0.87m
10:51AM0.84m
10:21PM0.94m
11:01AM1.02m
10:59PM0.96m
Low Tide
4:36AM0.35m
3:36PM0.60m
4:27AM0.26m
4:28PM0.41m
4:41AM0.19m
5:07PM0.24m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:16
7:16
7:16
7:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:51
5:50
5:50
Temp °C
17
17
18
18
18
18
17
16
16
16
18
18
18
18
17
17
17
17
20
20
20
19
19
18
14
15
16
14
14
14
14
14
14
15
16
14
14
15
14
15
15
15
18
16
16
16
16
16
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
11
0.7
SSW
10
0.7
SSW
10
0.6
SSW
10
0.5
SSW
10
0.6
SW
14
0.5
SSW
12
0.4
SSW
9
0.5
S
8
0.4
SSW
8
0.4
SSW
8
0.3
SSW
7
0.3
SW
16
0.3
SW
16
0.4
SW
13
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.4
SW
13
0.5
SW
13
Energy kJ
128
92
88
64
55
167
77
30
36
22
20
10
42
41
45
65
65
69
70
63
61
61
59
79
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
13
0.4
SW
14
0.4
SW
15
0.3
SW
15
0.3
SW
15
0.4
SW
14
0.4
SW
14
0.3
SW
14
0.4
SW
14
0.3
SW
13
0.3
SSW
7
0.3
SW
16
0.3
SSW
6
0.4
SSE
6
0.3
S
6
0.3
S
5
0.1
S
8
0.1
SW
18
0.3
SW
17
0.4
SW
16
0.4
SW
16
Energy kJ
71
68
65
63
69
56
33
33
53
51
30
47
27
9
41
8
14
7
4
1
12
44
66
67
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
12
0.1
SW
18
0.2
WSW
18
0.3
SW
18
0.3
SW
13
0.3
SSW
7
0.1
S
7
0.1
S
9
0.1
S
9
0.1
SW
8
0.1
S
11
0.1
S
8
0.1
S
8
0.1
S
8
0.3
SW
21
Energy kJ
21
13
30
49
27
9
1
2
2
2
3
1
1
1
67
Wind waves
Height (m)
Direction
Period (s)
0.2
SSE
2
0.3
SE
2
0.5
S
7
0.4
SSE
3
0.4
SSE
3
0.4
SE
3
0.3
SSE
5
0.4
SE
5
0.4
SE
5
0.4
SE
3
Energy kJ
1
1
23
3
4
3
4
6
6
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
3
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
0
0
0
489
361
153
0
0
0
0
0
489
489
203
1
0
0
0
0
168
154
1
0
0
Best forecast wave conditions in Nullarbor
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
3
3
4
4
4
4
4
4
5
4
4
4
4
4
4
5
5
4
4
4
2
2
Header Global
Rating
(10 max)
6
5
8
6
5
4
5
5
5
5
5
5
9
9
9
9
9
7
5
7
7
6
6
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest