Shark Island (Cronulla) surf break

Shark Island (Cronulla) surfForecast / NSW – Sydney South Coast / Australia

information circle12 Day Weather and Surf, issued 4 am Monday 15 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Shark Island (Cronulla) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shark Island (Cronulla) sea temperature is
22.4° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Shark Island (Cronulla) this week:

The surf forecast for Shark Island (Cronulla) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 5PM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.3m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Shark Island (Cronulla) in the next 12 days are 1.9m 10s and forecast to arrive on Monday (Dec 15) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Monday (Dec 22) at 2AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Sun 21st Dec)3ft (0.9m) 7s
Best Surf 5PM (Sun 21st Dec)3ft (0.9m) 7s
Most Powerful11AM (Mon 15th Dec)6ft (1.9m) 10s

Table - best surf conditions forecast for Shark Island (Cronulla) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Mon night. Warm (max 21°C on Wed afternoon, min 17°C on Mon afternoon). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sat night. Warm (max 25°C on Thu afternoon, min 19°C on Thu morning). Winds decreasing (fresh winds from the S on Fri morning, light winds from the NW by Sat morning).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
S
1.6
SSE
1.6
SSE
1.4
S
1.3
S
1.2
S
1
S
0.9
S
0.7
S
0.6
S
1.3
ENE
1.8
NE
0.9
ENE
0.8
ENE
0.6
ENE
0.6
ENE
0.9
NE
0.8
ENE
1.1
ENE
0.9
ENE
0.9
NE
Period(s) (?)109111012121111111067777776778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6553715513944563962461891107610129281594133735111597100
Wind
(km/h)
15
ESE
25
SE
20
ESE
10
E
10
E
10
NE
20
NE
30
NE
15
NNE
20
NE
30
NE
15
NNE
30
S
20
SSE
15
SSW
15
NNE
25
NE
15
NW
20
NNW
0
S
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on
cross-
on
onononcross-
on
onononcross-
off
cross-
off
offcross-
on
oncrosscrossglasscross-
off
High Tide
/ height (m)
6:09PM
1.01
6:36AM
1.41
7:01PM
1.00
7:14AM
1.46
7:48PM
1.00
7:51AM
1.51
8:31PM
1.01
8:29AM
1.55
9:12PM
1.02
9:07AM
1.57
9:52PM
1.03
9:45AM
1.59
10:31PM
1.03
Low Tide
/ height (m)
12:31PM
0.45
11:54PM
0.40
1:19PM
0.38
12:34AM
0.41
2:02PM
0.31
1:14AM
0.42
2:42PM
0.26
1:54AM
0.41
3:20PM
0.22
2:33AM
0.41
3:59PM
0.19
3:11AM
0.40
4:37PM
0.18
3:50AM
0.41
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise5:37--5:37--5:37--5:37--5:39--5:39--5:39--
Sunset-8:01--8:01--8:02--8:04--8:04--8:05--8:05-
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
light rain
thunderstorm
Rain (mm)
--2-------------15-11
Temp. °C191817181919202120222524222221242525313525
Feels °C (?)171414161717181817202221191921242422293327
  • Map Icons:
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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 Shark Island (Cronulla) Surf forecast

The above surf forecast table for Shark Island (Cronulla) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Shark Island (Cronulla) can be found by selecting the local surf guide option on the grey menu. Our Shark Island (Cronulla) 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 (Shark Island (Cronulla)) 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 Shark Island (Cronulla) 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.

Shark Island (Cronulla) is 2 km (1 miles) from Cronulla. If you plan a holiday in Sydney South Coast, look for hotels and other accommodation in Cronulla. Cronulla has rooms for a wide range of budgets as well as car hire and transport links.

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