Cactus Surf Break

Lat Long: 32.09° S 132.98° E

Cactus Surf Forecast and Surf Report

Issued: 8 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cactus sea temperature is
15.8°C
0.3° 

Cactus surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Cactus surf forecast from 5 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 12AM (local time) - 7.5ft (2.3m), 14s period, SW swell with glassy winds.
  • Most powerful swell: Wednesday 9 Sep, 9PM (local time) - 8ft (2.5m), 17s period, SSW swell with 3,643 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 12AM (local time) - 7.5ft (2.3m), 14s period with SW swell.

Best Forecast Surf Conditions for Cactus this week:

The surf forecast for Cactus over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 06) at 12AM. The primary swell is predicted to be 2.3m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cactus in the next 16 days are 2.5m 17s and forecast to arrive on Wednesday (Sep 09) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Monday (Sep 07) at 3AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sun 6th Sep)7.5ft (2.3m) 14s
Best Surf12AM (Sun 6th Sep)7.5ft (2.3m) 14s
Most Powerful 9PM (Wed 9th Sep)8ft (2.5m) 17s

Table - best surf conditions forecast for Cactus over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s cut through the noise and get into the only show in town for this stretch.

We’ve got one solitary spot on the radar for the next 16 days: Cactus. It’s a reef break, and it’s exposed to the southwest swell. The water temp is sitting at 60°F, which is about what you’d expect for this time of year – nothing wild there.

The first few days are a write-off. Saturday the 5th of September is a total mess with onshore winds and poor surf, so don’t even bother. The weekend is a washout.

Things start to get interesting come Sunday morning, the 6th of September. We’ve got a solid 6ft SW groundswell rolling in with a 14-second period, and the wind is light offshore from the NE. That’s clean conditions, and the combined energy is pumping at 1343. This is your best bet for the whole outlook – it’s excellent for experienced surfers, but that 6ft reef setup will be a handful for beginners. The Sunday afternoon session gets a bit bumpy with a cross-offshore wind and a touch smaller.

Monday the 7th is a drop-off, but Tuesday the 8th brings a real standout. The morning session shows a 5ft SW swell, but the period jumps to a very long 17 seconds. That’s proper groundswell energy, and with a clean cross-offshore breeze, it’ll be beautiful. The energy is 1519, so there’s plenty of push. This is a reef break, so that long period will wrap in nicely, giving you some proper lines. Just know it’s still a solid 5ft, so it’s not for the faint-hearted.

Wednesday the 9th sees the swell building to 8ft, but the wind gets strong and bumpy, making it a messy, expert-only affair. That’s a big, powerful swell with a 3522 energy reading, but the conditions won’t do it justice.

Thursday the 10th cleans up with a fresh offshore wind from the east, but the swell levels off around 7ft. It’s still a big, powerful groundswell, but the wind is your friend. It’s a good option for the experienced crew, but the crowds are possible here, so be ready to share.

From Friday the 11th, the energy drops off hard. We’re looking at a long stretch of small, messy, or wind-affected days. The 12th, 13th, 14th, and 15th are all poor with either onshore winds or strong, messy cross-shore conditions. There’s a brief window on the 16th of September with a clean 6ft SW swell, but it’s a marginal call.

The very tail end of the window, Friday the 18th of September, sees a nice little pulse. The swell is a manageable 3ft to 4ft with a 16-second period. The wind is light and offshore, giving you clean, fun waves. It’s not the size of the 6th or 8th, but it’s a solid, consistent option for a wider range of surfers.

The 20th of September finishes things off with a 5ft SW groundswell, but the wind swings onshore and the chop ruins it.

The standout pick for the whole outlook is Sunday morning, the 6th of September. The 6ft SW groundswell, a 14-second period, and that light offshore wind from the NE will have Cactus absolutely cranking. It’s the cleanest, most powerful option on offer. The Tuesday the 8th morning session is a close second for the sheer grunt of that 17-second period.

Stay salty,
Rusty

Short Range Forecast

Mostly dry. Very mild (max 15°C on Sun morning, min 11°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat morning, calm by Sat night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Thu afternoon, min 8°C on Wed night). Winds increasing (light winds from the SSE on Tue morning, strong winds from the SE by Wed morning).

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
4
4
2
1
0
2
3
4
2
2
1
3
1
3
2
4
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SW
12
2.4
SW
13
2.3
SW
14
1.9
SW
14
1.7
SW
14
1.2
SW
13
0.9
SW
13
1.2
SSW
13
1.1
SW
18
1.6
SW
17
1.6
SW
16
1.6
SW
16
1.8
SW
17
2.3
SSW
18
2.3
SW
17
2
SW
16
1.9
SW
16
1.6
SW
15
1.3
SW
14
1.1
SW
14
1.1
SW
16
Wave Graph
Metric surfscale
Energy kJ
1945
2012
1884
1343
1123
495
286
514
850
1519
1276
1215
1871
3418
2844
2053
1715
1088
676
514
677
Wind (km/h)
30
WSW
25
SW
5
SSW
10
NE
25
SE
25
SE
25
ESE
20
ESE
25
SE
15
ESE
20
SSE
35
SE
40
ESE
35
SE
35
ESE
30
E
25
ESE
20
E
25
NE
20
NE
20
NNE
Wind State
on
on
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
High Tide
12:18PM0.85m
2:38AM0.77m
11:43AM0.99m
1:29AM0.68m
11:44AM1.13m
00:44AM0.70m
11:57AM1.23m
00:28AM0.79m
12:11PM1.28m
00:26AM0.90m
12:24PM1.29m
00:33AM1.03m
12:37PM1.26m
00:44AM1.14m
Low Tide
7:31PM0.13m
6:09AM0.69m
7:06PM0.13m
5:24AM0.54m
6:51PM0.12m
5:29AM0.37m
6:45PM0.11m
5:45AM0.23m
6:43PM0.10m
6:04AM0.12m
6:44PM0.07m
6:23AM0.05m
6:47PM0.04m
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:48
6:48
6:47
6:46
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:23
6:23
6:24
6:24
6:25
6:27
 mm
Temp °C
14
14
13
15
14
13
12
14
13
13
12
13
12
13
13
14
17
17
19
22
22
Feels °C
7
8
10
13
9
8
7
10
8
10
8
7
5
6
6
8
10
12
13
16
16
  • 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 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 16 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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