Castles surfForecast / SA – Nullarbor / Australia

information circle12 Day Weather and Surf, issued 2 am Thursday 03 Jul 2025 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
16.2° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Castles this week:

The surf forecast for Castles over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 03) at 6AM. The primary swell is predicted to be 1.0m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Castles in the next 12 days are 3.0m 16s and forecast to arrive on Wednesday (Jul 09) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Jul 07) at 9AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 3rd Jul)3.5ft (1.0m) 15s
Best Surf 9PM (Sun 6th Jul)4.5ft (1.3m) 14s
Most Powerful 3PM (Wed 9th Jul)10ft (3.0m) 16s

Table - best surf conditions forecast for Castles over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
0.8
SW
0.8
SW
0.8
SW
1.2
WSW
1.8
SW
1.6
SW
1.7
SW
1.2
SW
1.3
SW
1.2
SW
0.9
SW
0.7
SW
1.8
W
3
WSW
3
SW
3
WSW
2.5
SW
3
SW
3
SW
3
SW
2.5
SW
3
SW
2.1
SW
1.8
SW
1.4
SW
1.1
SW
1.2
SW
1.8
SW
3
SW
3
SW
3
SW
2.1
SW
2.1
SW
1.8
SW
Period(s) (?)1414131313137141310121414146121416161616151414131314131417161516141414
Wave
Graph
(?)Metric surfscale
Energy (?)34634124620820980231310921014581723675372221228224331524056353145233876328628245340151810248346039921868453137574066172917361237
Wind
(km/h)
20
N
15
NNW
20
NNE
20
N
20
W
30
WNW
40
WSW
40
SW
30
SW
20
SW
15
WSW
15
NNE
30
N
35
NNW
45
WNW
40
WSW
45
WSW
25
WNW
40
NW
55
W
50
WSW
35
SW
25
WSW
20
NW
20
NNW
25
NNW
25
N
30
NW
40
WSW
25
WSW
35
W
45
SW
30
SW
20
WSW
15
WSW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
off
cross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
oncross-
off
cross-
off
crosscross-
on
ononcross-
on
cross-
on
cross-
on
oncross-
on
oncross-
on
crosscrosscross-
off
crossonononononononcross
High Tide
/ height (m)
3:11PM
0.87
5:17AM
0.71
2:56PM
0.75
9:48AM
0.77
10:25AM
0.91
10:28PM
0.53
10:56AM
1.04
11:14PM
0.59
11:26AM
1.16
11:44PM
0.64
11:56AM
1.27
12:11AM
0.69
12:25PM
1.36
12:36AM
0.73
12:54PM
1.42
1:02AM
0.77
1:23PM
1.44
1:28AM
0.80
1:51PM
1.42
1:56AM
0.82
2:18PM
1.35
2:25AM
0.84
Low Tide
/ height (m)
10:16PM
0.34
9:34AM
0.63
10:58PM
0.39
1:04AM
0.44
6:21PM
0.46
3:19AM
0.40
6:14PM
0.35
4:17AM
0.33
6:30PM
0.27
4:58AM
0.25
6:51PM
0.20
5:32AM
0.17
7:15PM
0.15
6:04AM
0.10
7:40PM
0.12
6:34AM
0.06
8:04PM
0.12
7:05AM
0.04
8:29PM
0.13
7:35AM
0.06
8:53PM
0.16
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise7:39--7:39--7:39--7:39--7:39--7:39--7:37--7:37--7:37--7:37--7:37--7:37--
Sunset-5:44--5:45--5:45--5:45--5:45--5:46--5:46--5:47--5:47--5:49--5:49--5:50-
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Rain (mm)
-----2-21-----22-2-63--------14-----
Temp. °C192219191917141414131413172020141414141313131414151716161515141415151515
Feels °C (?)1317131314125678101281293472215911911119711647111213

Short Range Forecast: Light rain (total 5mm), mostly falling on Fri night. Warm (max 22°C on Thu afternoon, min 13°C on Sat night). Winds increasing (light winds from the NNW on Thu afternoon, strong winds from the WSW by Fri night).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Mon night. Warm (max 20°C on Mon afternoon, min 10°C on Tue night). Winds increasing (calm on Sun night, near gales from the W by Mon night).

Days 6-9 Weather Summary Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 17°C on Fri afternoon, min 11°C on Wed morning). Winds decreasing (near gales from the WSW on Wed night, light winds from the W by Thu night).

Long Range Forecast: Light rain (total 5mm), mostly falling on Sun morning. Very mild (max 16°C on Sat morning, min 12°C on Mon night). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the N by Mon night).

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Castles Surf forecast

The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Castles) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Castles may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Nullarbor? If you are looking for accommodation near Castles, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 64 km (40 miles) away.

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