Cunns Surf Break

Lat Long: 32.10° S 132.98° E

Cunns Surf Forecast and Surf Report

Issued: 8 am 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Cunns sea temperature is
15.6° C
0.4° 

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


Cunns surf forecast from 26 Jul 2026:

  • Best quality surf: Wednesday 29 Jul, 9PM (local time) - 6ft (1.8m), 14s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 29 Jul, 6AM (local time) - 8ft (2.5m), 16s period, SW swell with 3,059 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 29 Jul, 9PM (local time) - 6ft (1.8m), 14s period with SW swell.

Best Forecast Surf Conditions for Cunns this week:

The surf forecast for Cunns over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 29) at 9PM. The primary swell is predicted to be 1.8m and 14s period with a secondary swell of 0.1m and 19s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cunns in the next 16 days are 2.5m 16s and forecast to arrive on Wednesday (Jul 29) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Thursday (Jul 30) at 12PM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 29th Jul)6ft (1.8m) 14s
Best Surf 9PM (Wed 29th Jul)6ft (1.8m) 14s
Most Powerful 6AM (Wed 29th Jul)8ft (2.5m) 16s

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


The Lowdown

Righto, let’s look at what’s coming up for our patch over the next couple of weeks. We’ve only got one spot on the radar, and that’s Cunns. It’s a tricky reef set-up, proper advanced territory, and it doesn’t break all that often—so when it does, it’s worth paying attention to. Water temp is sitting at about 60°F, which is pretty much what we’d expect for this time of year. Nothing weird going on there.

The first week is a mixed bag. We kick off Sunday the 26th with a small 4ft southwest groundswell, period a solid 12 seconds. It’s clean enough but the wind is a light cross-onshore, so you’re looking at a bumpy surface and only marginal conditions. Not worth paddling out for.

Monday the 27th turns ugly. Swell drops to 2ft and the wind howls from the northwest at 35 km/h—just a messy, lumpy day. Not surfable.

Things start to build again on Tuesday the 28th. Swell jumps to 6ft from the southwest, period 14 seconds, and wind turns cross-shore. There’s moderate wave energy (1290) but it’s still got a cross-chop on it. It’s better than Monday, but still marginal.

Wednesday the 29th is where we see the first real hope. Swell hits 8ft (southwest, 16-second period) with a cross-offshore breeze from the SSE at 20 km/h. That’s clean, and the energy is strong (2823). This is only for experienced surfers, though—too big for anyone else. It’s the best session in the first week, no question.

Thursday the 30th is a nice little follow-up. Swell drops to 5ft but the wind turns light offshore from the ENE, glassy clean. Energy is moderate (746). Expect very good surf, but it won’t have the power of Wednesday.

Friday the 31st and Saturday the 1st of August are write-offs—cross-shore winds and small, weak swell. Then Sunday the 2nd shows a moderate 6ft southwest swell, but it’s cross-shore again and chop ruins it.

Now for the real standout. Monday the 3rd of August is the pick of the whole forecast. Swell holds at 7ft from the southwest, period 14 seconds, with a light cross-offshore breeze from the ENE at 15 km/h. Clean lines, strong energy (1766), and conditions are excellent for experienced surfers. This is the day to keep free.

Tuesday the 4th is also worth a look if you miss Monday. Swell drops to 5ft but the period stretches out to 19 seconds—very long groundswell. That means beautifully shaped waves, long gaps between sets. Wind is near glassy, cross-offshore. Energy is strong at 1549. This is a reef, so that long period will work in its favour, not against it.

After that, things turn messy again from Wednesday the 5th through the weekend. Wind picks up, swell gets lumpy. There’s a glimmer on Friday the 7th with 6ft southwest swell and light offshore wind from the SE—clean and powerful (1568). That’s another good day for the experienced crew.

By Sunday the 9th it’s all blown out again.

So to wrap it: if you’re an advanced surfer and can handle a reef, Wednesday the 29th of July, Monday the 3rd of August, and Tuesday the 4th of August are your windows. The Monday is the absolute standout—big, clean, powerful. Crowds at Cunns can turn up sometimes, but with this reputation, you might have it to yourself.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Mon night. Very mild (max 17°C on Sun afternoon, min 12°C on Sun morning). Winds increasing (light winds from the NW on Sun morning, fresh winds from the NNW by Mon morning).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Fri afternoon, min 10°C on Thu morning). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
0
0
0
1
1
3
3
3
4
3
3
1
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
12
1.1
SW
12
1
SW
12
0.5
SW
14
0.8
SW
14
1.9
WSW
13
1.8
SW
14
1.8
SW
15
2.1
SW
15
2.4
SW
16
2.1
SW
14
1.7
SW
13
1.5
SW
13
1.3
SW
13
1.1
SW
13
0.9
SW
14
0.6
SW
20
1
SW
18
0.8
SW
17
1
SW
16
1.3
SW
16
Wave Graph
Metric surfscale
Energy kJ
293
303
263
95
238
1216
1290
1413
1801
2761
1752
1021
746
600
380
304
257
595
389
498
865
Wind (km/h)
10
NW
10
NW
20
NNW
35
NNW
30
W
20
W
25
SSW
25
SSW
25
S
20
SSE
20
SSE
10
SE
15
ENE
10
SE
20
E
20
NNE
15
NNE
20
NNE
35
N
25
NNW
25
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-on
cross
High Tide
11:34AM1.07m
00:05AM0.60m
11:55AM1.19m
00:14AM0.69m
12:17PM1.29m
00:29AM0.76m
12:39PM1.36m
00:47AM0.84m
1:00PM1.41m
1:08AM0.91m
1:22PM1.42m
1:30AM0.97m
1:44PM1.40m
1:55AM1.02m
Low Tide
6:49PM0.30m
4:58AM0.34m
6:51PM0.22m
5:30AM0.23m
7:02PM0.16m
5:57AM0.13m
7:16PM0.11m
6:24AM0.06m
7:33PM0.07m
6:50AM0.01m
7:50PM0.04m
7:16AM-0.00m
8:08PM0.03m
clear
part cloud
part cloud
clear
clear
rain showers
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:31
7:30
7:30
7:28
7:28
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:58
5:58
5:59
6:00
6:00
6:00
 mm
1
Temp °C
14
17
16
17
16
14
14
14
14
13
13
12
13
14
13
14
17
16
16
19
18
Feels °C
11
14
12
8
8
10
8
8
9
9
8
8
10
11
9
8
12
10
7
12
11
  • 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 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 16 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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