Castles surfForecast / SA – Nullarbor / Australia

information circle48hr Weather and Surf, issued 2 pm Tuesday 19 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
18.3° 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: 1.2m 11s primary swell from a Southwest direction and 0.4m 18s secondary swell from a Southwest direction, 0.4m 18s secondary swell from a Southwest direction (forecast issued at 02:30pm May 19). The wind direction is predicted to be cross-onshore.

Time (ACST) & DateWave HeightWave Period
Morning (19 May)--
Afternoon (19 May)4ft (1.2m)12s
Evening (19 May)4ft (1.2m)11s

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 21°C on Thu afternoon, min 14°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the NNE by Fri morning).

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
Rating
(10 max)
0
0
0
2
2
2
2
2
3
2
2
3
2
3
2
2
2
2
2
2
1
0
0
0
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)
1.2
SW
12
1.2
SW
12
1.2
SW
11
1.2
SW
11
1.2
SW
11
1.1
SW
11
1.1
SW
11
1
SW
11
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1
SW
14
1
SW
14
0.9
SW
14
0.8
SW
13
0.8
SW
13
0.8
SW
13
0.8
SW
14
Wave Graph
Metric surfscale
Energy kJ
383
376
363
357
344
263
263
224
306
302
295
280
262
528
520
520
513
387
382
317
199
215
212
281
Wind (km/h)
25
SSW
20
SSW
20
SSW
15
S
10
SSE
5
SE
5
E
5
ENE
5
E
15
SSE
20
SE
15
E
15
ENE
15
NE
15
NNE
20
NNE
15
NNE
5
NNE
10
ENE
15
ENE
15
NNE
25
NNE
25
NNE
30
NNE
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
glassy
glassy
cross
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
glassy
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
1:28PM1.39m
00:40AM0.65m
1:48PM1.28m
00:38AM0.67m
2:05PM1.16m
00:41AM0.69m
Low Tide
8:13PM0.36m
6:32AM0.02m
8:25PM0.45m
6:47AM0.06m
8:31PM0.52m
7:00AM0.14m
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:22
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:45
5:45
5:45
Temp °C
16
16
16
15
15
15
14
14
16
17
15
16
16
16
15
15
19
20
21
20
19
17
16
16
12
12
13
12
13
14
13
13
15
15
11
14
13
13
11
11
15
18
18
16
15
11
10
10
Swell 1
Height (m)
Direction
Period (s)
0.4
SW
18
0.5
SW
18
1.2
SW
11
1.2
SW
11
1.2
SW
11
1.1
SW
11
1.1
SW
11
1
SW
11
1
SW
11
1
SW
11
1
SW
11
1
SW
11
0.9
SW
11
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
14
1
SW
14
1
SW
14
0.9
SW
14
0.8
SW
13
0.8
SW
13
0.8
SW
13
0.8
SW
14
Energy kJ
112
155
363
357
344
263
263
224
228
250
255
255
217
528
520
520
513
387
382
317
199
215
212
281
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
18
0.4
SW
18
0.5
SW
18
0.6
SW
18
0.6
SW
17
0.6
SW
16
0.6
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
0.4
SW
16
0.3
SW
16
0.4
SW
16
Energy kJ
255
112
155
192
188
169
211
306
302
295
280
262
90
42
68
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.2
SW
12
1.2
SW
12
0.4
SW
18
0.4
SW
11
0.2
SSE
2
0.3
E
2
0.3
ENE
3
0.3
NE
3
0.3
E
3
0.4
NE
3
0.5
NNE
3
0.6
N
4
0.7
N
4
Energy kJ
383
376
81
32
1
1
2
1
1
2
5
9
13
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
2
2
2
3
3
3
3
2
3
3
3
3
2
2
2
2
2
2
4
Distance (km)
1035
1049
552
1
1
0
0
0
0
1
1
0
0
0
0
1
1
0
0
0
0
178
1
402
Best forecast wave conditions in Nullarbor
Rating
(10 max)
3
3
2
2
2
3
3
3
3
2
3
3
3
3
2
2
2
2
2
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
4
4
4
5
4
4
  • 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

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