Cactus surfForecast / SA – Nullarbor / Australia

information circle12 Day Weather and Surf, issued 2 pm Tuesday 08 Jul 2025 ACST
Forecast update in hr  min  s Forecast update imminent
Cactus surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cactus sea temperature is
15.9° C
(Which is slightly cooler than normal)


Best Forecast Surf Conditions for Cactus this week:

The surf forecast for Cactus over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 11) at 3AM. The primary swell is predicted to be 1.9m and 14s period with a secondary swell of 0.1m and 24s. Another secondary swell of 0.1m and 24s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Cactus in the next 12 days are 3.5m 15s and forecast to arrive on Thursday (Jul 10) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Saturday (Jul 12) at 9AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 11th Jul)6ft (1.9m) 14s
Best Surf 3AM (Sat 12th Jul)5ft (1.6m) 14s
Most Powerful12PM (Thu 10th Jul)11ft (3.5m) 15s

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

Updates in  hr  min  s Forecast update imminent
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
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 (?)
3
SW
2.5
SW
3
WSW
3
SW
3
SW
3
SW
3
SW
2.1
SW
1.7
SW
1.6
SW
1.5
SW
1.7
SW
1.8
SW
1.5
SW
1.3
SW
1.4
SW
1.6
SW
1.7
SW
1.6
SW
1.8
SW
1.6
SW
1.6
SW
1.6
SW
1.9
SW
1.8
SW
1.3
SW
2.1
SW
2.1
SW
1.8
SW
2
WSW
3
SW
3
SW
2.5
SW
2.2
SW
1.9
SW
1.6
SW
Period(s) (?)171615141515151414141314171615151414141413131314131717161617171616161514
Wave
Graph
(?)Metric surfscale
Energy (?)457935094334350835803357665818621193109491913741839105586187810771075100412338928781071175216501854286823441739234949023876306523341675998
Wind
(km/h)
35
WSW
35
WNW
55
WSW
60
WSW
50
SW
25
WSW
35
W
25
W
25
WNW
15
W
10
N
30
N
30
NNW
25
N
30
NW
25
SW
20
SSE
30
WSW
40
SW
30
SW
25
WSW
20
WSW
10
SW
10
N
5
W
5
N
25
N
25
NNW
35
WNW
40
SSW
30
S
15
SE
20
NNE
20
NNE
20
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
crosscross-
off
crossoncrossononcross-
on
ononcross-
on
cross-
off
cross-
on
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
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
2:43PM
1.24
2:56AM
0.84
3:03PM
1.09
3:31AM
0.84
3:14PM
0.92
4:12AM
0.81
2:56PM
0.77
5:28AM 12:24PM
0.78 0.74
10:56AM
0.90
Low Tide
/ height (m)
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
8:06AM
0.13
9:15PM
0.20
8:38AM
0.23
9:33PM
0.24
9:10AM
0.38
9:45PM
0.29
9:40AM
0.54
9:44PM
0.32
9:54AM
0.72
9:09PM
0.34
Tue
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sun
20
Sunrise--7:37--7:37--7:37--7:37--7:37--7:37--7:37--7:35--7:35--7:35--7:35--7:35
Sunset5:46--5:46--5:47--5:47--5:49--5:49--5:50--5:50--5:51--5:52--5:52--5:52--
cloudpart cloudrain showersrain showerslight raincloudrain showersrain showersclearclearclearclearclearclearpart cloudlight rainrain showersrain showersclearpart cloudcloudpart cloudpart cloudcloudcloudclearpart cloudpart cloudpart cloudrain showerspart cloudpart cloudclearpart cloudcloudcloud
Rain (mm)
--311-11-------111-----------1------
Temp. °C141413131315151515161617201917171414151415151514151517201914131312141411
Feels °C (?)68102981111121391313121411467910111215151014124585897

Short Range Forecast: Light rain (total 7mm), mostly falling on Wed morning. Very mild (max 15°C on Thu morning, min 13°C on Tue night). Winds decreasing (near gales from the WSW on Wed morning, light winds from the WNW by Thu night).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 20°C on Sat afternoon, min 13°C on Sat morning). Winds increasing (calm on Fri night, strong winds from the WSW by Mon morning).

Days 6-9 Weather Summary Mostly dry. Very mild (max 17°C on Thu morning, min 12°C on Thu morning). Winds decreasing (strong winds from the SW on Mon afternoon, calm by Wed afternoon).

Long Range Forecast: Some drizzle, heaviest during Fri morning. Warm (max 20°C on Thu afternoon, min 9°C on Sat night). Winds decreasing (strong winds from the SSW on Fri morning, light winds from the ENE by Fri night).

  • Map Icons:
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  • 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 Cactus Surf forecast

The above surf forecast table for Cactus provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cactus can be found by selecting the local surf guide option on the grey menu. Our Cactus 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 (Cactus) 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 Cactus 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 Cactus, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 63 km (39 miles) away.

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