Back Beach Surf Break

Lat Long: 30.94° S 115.28° E

Back Beach Surf Forecast and Surf Report

Issued: 1 am 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Back Beach sea temperature is
20.0° C
0.2° 

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


Back Beach surf forecast from 25 Jul 2026:

  • Best quality surf: Sunday 26 Jul, 8PM (local time) - 10ft (3.0m), 14s period, SW swell with cross-onshore winds.
  • Most powerful swell: Friday 31 Jul, 11PM (local time) - 10ft (3.0m), 18s period, SW swell with 5,678 kJ wave energy.
  • Next surfable swell (1★+): Sunday 26 Jul, 8PM (local time) - 10ft (3.0m), 14s period with SW swell.

Best Forecast Surf Conditions for Back Beach this week:

The surf forecast for Back Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 26) at 8PM. The primary swell is predicted to be 3.0m and 14s period. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Back Beach in the next 16 days are 3.0m 18s and forecast to arrive on Friday (Jul 31) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Thursday (Jul 30) at 5AM.

Wave TypeTime (AWST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 26th Jul)10ft (3.0m) 14s
Best Surf 8PM (Sun 26th Jul)10ft (3.0m) 14s
Most Powerful11PM (Fri 31st Jul)10ft (3.0m) 18s

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


The Lowdown

No surf on the immediate horizon. The first lull runs from now through Saturday, 26 July. A glimmer appears Sunday morning, 27 July, but that swell is too big for this spot and I’d skip it. After that we get a run of decent, rideable days that starts to look pretty exciting for a clean, offshore winner on Wednesday 29 July morning.

Alright, let’s talk Back Beach. Sunday 27 July morning sees a solid 10 ft SW groundswell with a period of 13 seconds, but the water temp is sitting at 68°F – which is about average for the time of year, nothing unusual. The combined energy here is strong (2764). Problem is, this swell is way oversize for beginners and it’s labelled as too big for the break anyway. Monday 28 July and Tuesday 29 July mornings are both clean, with offshore and cross-off winds, swells around 8 ft to 7 ft from the SW with moderate wave energy (2202 to 2011). These are solid, consistent waves for competent surfers, but they’re not the standouts.

Wednesday 29 July morning is the one that gets me going. We’ve got a 4 ft WSW swell, but the period jumps to 17 seconds – that’s a long-period groundswell, which will produce beautifully shaped, powerful lines, great for a beachie like this if the tide lines up. The wind is NE 15 mph, offshore, keeping things clean and glassy. Combined energy is moderate (1755), but the quality is marked as excellent for experienced surfers. Not for beginners at this size, but for anyone who knows their way, this is the best session of the window. Crowds are possible here, so get in early.

Thursday 30 July morning holds another offshore window with 6 ft and 16-second period (1730 energy), also clean and excellent – a good backup.

The run continues into Friday 31 July morning: 8 ft WSW at 16 seconds, light NNW 6 mph offshore, very clean, excellent conditions (2904 energy). That is another top tier window, though the south to southwest swell will pitch a little fast at the beach – watch the tide.

Saturday 1 August and most of Monday 3 August get messy with strong cross-shore winds and lumpy conditions. The real fade happens from Tuesday 4 August onward, with onshore gales and rain, and by Thursday 6 August we’re looking at a 15 ft swell that’s huge, dangerous, and for experts only – but the wind is onshore and ugly. Combined energy on that Thursday afternoon hits a massive 13293 – very strong wave energy, but it’s a washing machine.

Friday 7 August through Saturday 9 August keep offering clean, cross-off winds and waves from 10 ft to 13 ft, but each time the swell is marked as too big for Back Beach (energy values between 4040 and 8142). For a regular surfer, the swell size and long period (14–17 seconds) will make for heavy, wonky lines at this exposed beach break. The setup looks more interesting for kite surfing than paddle surfing on those days.

If you’re looking to score clean, rideable surf, your best bet is Wednesday 29 July morning, with Friday 31 July morning as a close, clean runner-up. After that, the second week gets iffy and oversized.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Sun morning. Very mild (max 19°C on Sat afternoon, min 10°C on Mon night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 21°C on Thu afternoon, min 10°C on Tue morning). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
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
1
0
0
!
!
1
3
3
3
3
4
4
4
4
3
4
4
3
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
WSW
13
1.3
WSW
13
1.1
WSW
13
0.9
WSW
16
2.3
SW
11
3.5
SW
14
3
SW
13
2.5
SW
13
2.3
SW
14
2.3
SW
14
2.1
SW
14
1.9
SW
14
1.3
WSW
17
1.9
SW
17
1.7
WSW
16
1.7
WSW
16
1.7
WSW
16
1.7
WSW
18
2.3
WSW
16
2.2
WSW
16
3
WSW
17
Wave Graph
Metric surfscale
Energy kJ
615
596
373
425
1256
4814
2764
2046
2008
2085
1836
1311
986
2187
1408
1322
1305
1901
2904
2389
5663
Wind (km/h)
25
N
15
NW
20
NW
30
SW
25
SSW
15
S
10
ESE
15
SSE
20
E
20
E
20
E
25
E
25
NE
15
E
25
ENE
25
NNE
10
WSW
15
NE
10
NNW
10
WSW
10
WSW
Wind State
cross-off
cross
cross
on
cross-on
cross-on
cross-off
cross-on
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
on
off
cross-off
cross-on
cross-on
High Tide
7:01AM0.63m
7:43AM0.65m
8:21AM0.66m
8:54AM0.66m
9:23AM0.65m
9:49AM0.62m
1:14AM0.31m
Low Tide
4:34PM0.06m
4:55PM0.05m
5:15PM0.05m
5:33PM0.05m
5:44PM0.07m
5:51PM0.09m
5:54PM0.12m
2:57AM0.30m
clear
part cloud
cloud
light rain
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
7:09
7:09
7:09
7:07
7:07
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
5:40
5:40
5:42
5:43
5:43
 mm
1
Temp °C
16
19
18
18
16
16
14
16
15
13
16
15
15
19
18
18
21
19
17
19
18
Feels °C
10
14
14
14
10
12
11
13
11
7
10
10
9
14
13
12
17
17
14
17
16
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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 Back Beach Surf forecast

The above surf forecast table for Back Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Back Beach can be found by selecting the local surf guide option on the grey menu. Our Back Beach 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 (Back Beach) 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 Back Beach 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 Perth City Coast? If you are looking for accommodation near Back Beach, camping, hotels and holiday cottages in Perth City Coast, consider staying in Perth which is 125 km (78 miles) away.

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