Cottesloe Beach Surf Break

Lat Long: 31.99° S 115.74° E

Cottesloe Beach 48 hour detailed Surf Forecast

Issued: 1 pm 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cottesloe Beach sea temperature is
18.2°C
0.4° 

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


How big are the waves at Cottesloe Beach today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 6.5ft (2.0m), 15s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 6.5ft (2.0m), 15s period with WSW swell.
  • Evening surf: Evening surf (21 Sep, local time) - 6ft (1.8m), 15s period with WSW swell.

The current surf forecast for Cottesloe Beach at 7PM is: 2.0m 15s primary swell from a West-southwest direction (forecast issued at 01:00pm September 21). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (AWST) & DateWave HeightWave Period
Morning (21 Sep)6.5ft (2.0m)15s
Afternoon (21 Sep)6.5ft (2.0m)15s
Evening (21 Sep)6ft (1.8m)15s

Table - waves today at Cottesloe Beach. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 17°C on Mon afternoon, min 13°C on Wed night). Wind will be generally light.

Mon
21
Tuesday
22
Wednesday
23
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
2
1
3
3
3
4
3
2
0
1
3
3
3
3
3
1
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
WSW
15
2
WSW
15
2
WSW
15
1.8
WSW
15
1.8
WSW
15
1.8
WSW
15
1.8
WSW
15
1.7
WSW
14
1.5
WSW
14
1.7
WSW
14
1.7
WSW
14
1.7
WSW
14
1.7
WSW
14
1.6
WSW
13
1.6
WSW
13
1.6
WSW
13
1.5
WSW
13
1.5
WSW
13
1.4
WSW
13
1.3
WSW
12
1.3
WSW
12
Wave Graph
Metric surfscale
Energy kJ
1644
1689
1781
1572
1511
1467
1356
1130
943
1099
1083
1127
994
863
837
824
722
711
659
551
525
Wind (km/h)
10
WSW
20
SW
25
SSW
25
S
20
S
20
S
10
S
10
SSE
15
SW
15
SW
15
SW
15
S
15
SSE
10
SE
10
SSE
10
SSE
15
SW
20
SW
20
SSW
20
S
15
S
Wind State
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
High Tide
6:23AM0.55m
7:11AM0.56m
9:46PM0.36m
Low Tide
3:05PM0.11m
3:12PM0.12m
3:15PM0.14m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:12
6:13
 mm
Temp °C
17
17
17
15
14
14
14
14
16
16
16
16
15
14
14
15
16
16
16
16
15
Feels °C
16
14
13
11
10
11
12
12
13
13
13
13
13
13
13
13
13
12
12
13
12
  • 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
How to use the Wavefinder 

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 Cottesloe Beach 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.


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