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Surf Forecasts:

Cunns surfForecast / SA – Nullarbor / Australia

information circle12 Day Weather and Surf, issued 8 pm Wednesday 03 Sep 2025 ACST
Forecast update in hr  min  s Forecast update imminent
Cunns surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cunns sea temperature is
15.2° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Cunns this week:

The surf forecast for Cunns over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 04) at 6AM. The primary swell is predicted to be 1.8m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cunns in the next 12 days are 2.5m 17s and forecast to arrive on Tuesday (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 4s period and expected on Friday (Sep 05) at 9AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 4th Sep)6ft (1.8m) 14s
Best Surf12AM (Tue 9th Sep)5.5ft (1.7m) 19s
Most Powerful 9PM (Tue 9th Sep)8ft (2.5m) 17s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Warm (max 30°C on Sat morning, min 12°C on Wed night). Winds increasing (light winds from the ESE on Wed night, near gales from the N by Sat morning).

Days 3-6 Weather Summary Some drizzle, heaviest during Tue afternoon. Very mild (max 19°C on Sun morning, min 13°C on Mon night). Winds decreasing (strong winds from the NW on Sun morning, calm by Mon night).

Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wed
10
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
4
4
3
0
0
0
0
0
0
0
0
1
0
1
5
4
2
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
SW
1.7
SW
1.6
SW
1.6
SW
1.1
SW
1.1
SW
0.9
SW
0.7
SW
1.1
W
0.6
SSW
1.1
WNW
1.9
WSW
1.3
WSW
1.3
WSW
1.7
WSW
1.7
SW
1.2
SW
2.3
SW
2.5
SW
2.3
SSW
2
SSW
Period(s) (?)1414141516151412121367111414191817161615
Wave
Graph
(?)Metric surfscale
Energy (?)13551155107612516195393272013861431875766257441398312412023016369426291786
Wind
(km/h)
20
SE
25
E
20
ESE
25
E
45
NE
40
N
30
NNE
55
N
35
NNW
10
N
40
NW
35
WSW
10
WNW
20
NW
25
SW
10
SSE
5
SE
30
SW
45
SSW
50
S
45
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offoffoffcross-
off		crosscrosscrosscross-
on		crossoncross-
on		ononcrosscross-
off		glasscrosscrosscross-
off		cross-
off
High Tide
/ height (m)
12:26AM
0.67
11:28AM
1.17
12:09AM
0.76
11:48AM
1.32
12:15AM
0.87
12:12PM
1.42
12:29AM
0.99
12:35PM
1.44
12:47AM
1.10
12:57PM
1.40
1:05AM
1.19
1:15PM
1.30
1:24AM
1.26
1:29PM
1.17
Low Tide
/ height (m)
4:57AM
0.43
6:23PM
0.12
5:19AM
0.26
6:31PM
0.03
5:44AM
0.11
6:43PM
-0.02
6:11AM
-0.00
6:57PM
-0.04
6:39AM
-0.07
7:10PM
-0.04
7:05AM
-0.07
7:20PM
-0.02
7:30AM
-0.02
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wed
10
Sunrise-6:52--6:50--6:48--6:48--6:47--6:46--6:43-
Sunset--6:22--6:22--6:23--6:23--6:24--6:24--6:25
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
rain showers
light rain
rain showers
part cloud
Rain (mm)
-----------------142-
Temp. °C141618162426253029181918161816141514121313
Feels °C (?)11121412121618182111101114141112128533
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for SA - Nullarbor

  1. weather stationWind Update Continuing clean conditions at Cunns (light winds from the SSE at Thevenard Ntc Aws 63 km from Cunns). 1.7m 14s groundswell from the SW to make surfable waves.

    1 hour 10 minutes ago Cunns
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cunns surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Cunns at:
surf-forecast.com

Information about the Cunns Surf forecast

The above surf forecast table for Cunns provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Cunns can be found by selecting the local surf guide option on the grey menu. Our Cunns 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 (Cunns) 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 Cunns 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 Cunns, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 64 km (40 miles) away.

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