Cactus surfForecast / SA – Nullarbor / Australia

information circle12 Day Weather and Surf, issued 9 pm Saturday 06 Dec 2025 ACDT
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
20.4° C
(Which is 2.4°C warmer than normal for this time of year)


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 Monday (Dec 08) at 1AM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.4m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cactus in the next 12 days are 1.9m 14s and forecast to arrive on Tuesday (Dec 09) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Thursday (Dec 11) at 10AM.

Wave TypeTime (ACDT) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Mon 8th Dec)3.5ft (1.0m) 12s
Best Surf 1AM (Mon 8th Dec)3.5ft (1.0m) 12s
Most Powerful10PM (Tue 9th Dec)6ft (1.9m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 28°C on Mon morning, min 14°C on Sat night). Winds increasing (light winds from the ESE on Sun night, strong winds from the SSE by Tue afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 31°C on Fri morning, min 19°C on Tue night). Winds decreasing (strong winds from the SE on Tue night, light winds from the NNE by Fri morning).

Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sat
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
2
1
2
1
0
1
0
0
0
0
3
1
0
0
1
2
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
SW
1.4
SW
1.2
SW
1
SW
0.8
SW
0.7
SW
1
SW
0.8
SW
0.8
SW
1.2
SW
1.3
SW
2
S
1.8
SSE
0.8
SW
0.8
SW
0.8
SW
0.8
SW
0.7
SW
0.7
SW
0.8
SW
1.4
SSW
Period(s) (?)13131212111112111113141371213131313121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9196494032591651102771681715116411376349214235215205163146184623
Wind
(km/h)
20
SSE
20
ESE
20
S
5
ESE
10
NNW
25
SSE
20
ESE
25
SE
40
SSE
35
SE
30
SSE
25
E
30
ESE
25
ESE
35
SSE
20
ESE
5
NNE
25
SSE
40
SSE
25
SSW
45
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
crosscross-
off
crosscrosscross-
off
cross-
off
crosscross-
off
crosscross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
crosscrosscross-
on
cross
High Tide
/ height (m)
2:08AM
1.42
1:33PM
0.64
2:29AM
1.34
1:42PM
0.68
2:46AM
1.24
1:59PM
0.71
3:01AM
1.14
2:23PM
0.71
3:15AM
1.05
2:53PM
0.68
3:24AM
0.95
3:30PM
0.62
3:18AM
0.85
Low Tide
/ height (m)
8:58AM
0.30
7:17PM
0.02
9:09AM
0.37
7:37PM
0.05
9:18AM
0.41
7:58PM
0.11
9:30AM
0.42
8:18PM
0.22
9:49AM
0.42
8:32PM
0.34
10:16AM
0.43
8:24PM
0.48
10:56AM
0.46
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sat
13
Sunrise-6:24--6:24--6:24--6:24--6:24--6:24--6:24-
Sunset--8:34--8:34--8:35--8:36--8:37--8:37--8:37
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
light rain
rain showers
part cloud
Rain (mm)
------------------13-
Temp. °C161918182825212322222527222925263128211817
Feels °C (?)121714142319171716152023162519232924161510
  • 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 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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