Shark Island (Cronulla) Surf Break

Lat Long: 34.06° S 151.16° E

Shark Island (Cronulla) 48 hour detailed Surf Forecast

Issued: 3 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shark Island (Cronulla) sea temperature is
16.9° C
0.7° 

Shark Island (Cronulla) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Shark Island (Cronulla) today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 3ft (0.9m), 6s period with NE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 6s period with ENE swell.

The current surf forecast for Shark Island (Cronulla) at 7AM is: 0.9m 6s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a South direction (forecast issued at 03:00am August 21). The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (21 Aug)2.5ft (0.8m)6s
Afternoon (21 Aug)3ft (0.9m)6s
Evening (21 Aug)2ft (0.6m)6s

Table - waves today at Shark Island (Cronulla). (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 21°C on Fri morning, min 13°C on Fri night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ENE
6
0.9
ENE
6
0.9
ENE
6
0.8
ENE
6
0.7
ENE
6
0.9
NE
6
0.6
ENE
6
0.5
NE
6
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.2
S
9
0.3
S
8
0.3
S
8
0.2
S
8
0.2
ENE
6
0.2
S
12
0.6
S
11
0.8
S
11
1
S
10
0.8
S
8
0.6
S
13
1
S
11
1
S
10
Wave Graph
Metric surfscale
Energy kJ
72
60
60
47
35
64
26
18
13
9
9
6
12
12
5
3
11
84
144
179
86
117
248
214
Wind (km/h)
10
WNW
10
NW
15
NW
10
NW
5
N
10
NE
15
W
15
W
15
W
10
W
15
W
20
W
10
WSW
10
SE
10
SE
5
S
5
SSE
5
NNW
5
NW
5
NW
5
N
10
NNE
20
NE
15
NNE
Wind State
cross-off
cross
cross
cross
glassy
on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
glassy
glassy
glassy
cross
cross
glassy
on
on
cross-on
High Tide
2:30AM0.88m
2:59PM1.27m
3:51AM0.87m
4:04PM1.30m
5:01AM0.89m
5:01PM1.35m
Low Tide
7:59AM0.54m
10:10PM0.50m
9:07AM0.57m
11:13PM0.45m
10:15AM0.55m
cloud
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:29
5:29
5:30
 mm
Temp °C
17
15
16
17
21
21
19
16
14
13
13
16
20
19
16
15
15
14
14
14
14
15
16
16
Feels °C
15
13
13
15
20
19
15
13
11
10
10
11
17
16
14
14
14
13
13
13
13
14
13
14
  • 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 

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shark Island (Cronulla) 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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