Shark Island (Cronulla) Surf Break

Lat Long: 34.06° S 151.16° E

Shark Island (Cronulla) 48 hour detailed Surf Forecast

Issued: 3 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Shark Island (Cronulla) sea temperature is
17.9°C
0.1° 

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 Sep):

  • Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.4m), 18s period with SSE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 18s period with SSE swell.

The current surf forecast for Shark Island (Cronulla) at 7PM is: 0.4m 18s primary swell from a South-southeast direction and 0.5m 7s secondary swell from a South direction, 0.5m 4s secondary swell from a North-northeast direction (forecast issued at 03:00pm September 20). The wind direction is predicted to be cross-offshore.

Time (AEST) & DateWave HeightWave Period
Morning (20 Sep)--
Afternoon (20 Sep)1.5ft (0.4m)18s
Evening (20 Sep)1.5ft (0.4m)18s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue afternoon. Warm (max 27°C on Sun afternoon, min 13°C on Mon night). Winds increasing (light winds from the WNW on Sun afternoon, strong winds from the SSE by Mon morning).

Sun
20
Monday
21
Tuesday
22
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
1
0
0
0
0
0
0
0
1
2
1
2
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
Wave
Height (m)
Direction
Period (s)
0.4
SSE
19
0.4
SSE
18
0.4
SSE
18
0.4
SSE
18
0.4
SSE
17
0.6
S
10
0.6
S
10
0.7
S
11
0.1
E
11
1.9
SSE
6
2.5
SSE
8
2.5
S
10
2.5
SSE
10
2
S
9
1.6
SSE
8
1.4
SSE
8
1.6
SSE
10
1.7
SSE
10
1.5
SSE
10
1.1
S
10
Wave Graph
Metric surfscale
Energy kJ
120
110
104
102
100
73
78
108
2
280
792
1478
1178
675
367
237
530
516
421
226
Wind (km/h)
20
NE
10
NNE
5
WNW
15
NW
15
NW
15
NW
15
NW
30
S
40
SSE
35
SSE
35
SSE
30
SSE
25
SSE
25
SSE
20
SE
15
SE
15
SE
20
SE
20
ESE
20
E
Wind State
on
on
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-on
High Tide
3:22PM1.25m
4:33AM0.92m
4:23PM1.30m
5:22AM1.00m
5:12PM1.36m
Low Tide
10:31PM0.44m
9:47AM0.59m
11:19PM0.37m
10:47AM0.53m
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:50
5:51
 mm
1
1
3
2
Temp °C
25
27
25
23
21
20
22
21
16
15
14
13
14
14
14
15
14
13
14
14
Feels °C
19
23
22
18
16
14
16
15
9
8
7
7
8
9
10
11
11
10
11
11
  • 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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