Shark Island (Cronulla) Surf Break

Lat Long: 34.06° S 151.16° E

Shark Island (Cronulla) 48 hour detailed Surf Forecast

Issued: 3 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Shark Island (Cronulla) sea temperature is
16.8° C
0.9° 

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 (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 2ft (0.6m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 2.5ft (0.8m), 6s period with ENE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 6s period with ENE swell.

The current surf forecast for Shark Island (Cronulla) at 6AM is: 0.6m 8s primary swell from a East-southeast direction and 0.7m 6s secondary swell from a East-northeast direction (forecast issued at 03:00am August 20). The wind direction is predicted to be cross-shore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Aug)2ft (0.6m)8s
Afternoon (20 Aug)2.5ft (0.8m)6s
Evening (20 Aug)3.5ft (1.1m)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 Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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
1
1
1
0
0
0
0
0
0
0
0
0
0
0
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)
0.7
ESE
9
0.7
SE
9
0.6
ESE
8
0.6
ESE
8
0.9
NE
6
0.8
ENE
6
1
ENE
6
1.1
ENE
6
1
ENE
6
0.9
ENE
7
0.9
ENE
7
0.8
ENE
6
0.7
ENE
6
0.6
ENE
6
0.4
ENE
6
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.4
NE
6
0.4
SSW
5
0.5
S
5
0.5
S
5
0.5
S
5
0.4
SSE
5
Wave Graph
Metric surfscale
Energy kJ
83
79
44
43
54
43
64
87
80
77
62
47
35
26
15
9
9
9
9
9
14
14
13
8
Wind (km/h)
15
NNW
10
NNW
10
NW
15
NNW
15
NNE
20
NNE
15
NNE
10
WNW
15
WNW
10
WNW
15
NW
15
WNW
5
NNE
15
NW
20
WNW
20
NW
10
W
5
W
15
WSW
10
WSW
5
E
15
SE
10
SE
5
SW
Wind State
cross-on
cross-on
cross
cross-on
on
on
cross-on
cross-off
cross-off
cross-off
cross
cross-off
cross-on
cross
cross-off
cross
cross-off
cross-off
off
cross-off
glassy
cross
cross-off
glassy
High Tide
1:18AM0.96m
1:56PM1.28m
2:30AM0.88m
2:59PM1.27m
3:51AM0.87m
4:04PM1.30m
Low Tide
7:03AM0.48m
8:53PM0.51m
7:59AM0.54m
10:10PM0.50m
9:07AM0.57m
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:29
5:29
 mm
Temp °C
15
14
13
16
19
19
19
18
17
16
16
18
21
21
18
17
16
15
14
16
19
16
16
15
Feels °C
13
12
11
13
16
15
16
15
14
14
13
16
19
18
14
14
14
14
10
13
18
12
14
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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