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Surf Forecasts:

Shark Island (Cronulla) surf break

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

information circle16 Day Weather and Surf, issued 10 pm Wednesday 18 Mar 2026 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
23.1° C
 (Which is 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 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 21) at 2AM. The primary swell is predicted to be 0.9m and 6s period with a secondary swell of 0.4m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Shark Island (Cronulla) in the next 16 days are 1.8m 12s and forecast to arrive on Thursday (Mar 26) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Friday (Mar 20) at 11AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 21st Mar)3ft (0.9m) 6s
Best Surf 5AM (Thu 26th Mar)6ft (1.8m) 12s
Most Powerful 5AM (Thu 26th Mar)6ft (1.8m) 12s

Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 20mm), heaviest during Thu afternoon. Warm (max 23°C on Fri afternoon, min 20°C on Thu afternoon). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Tue afternoon. Warm (max 22°C on Sun morning, min 17°C on Sun night). Wind will be generally light.

Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
1
0
0
1
0
1
0
0
0
0
0
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
S
0.4
ENE
0.5
S
0.5
SE
0.3
ENE
0.8
SE
0.9
ESE
0.6
ESE
0.6
ESE
0.5
E
0.4
E
0.6
E
0.6
E
0.4
E
0.6
SE
0.7
ESE
0.6
ENE
1.1
E
1.6
ENE
1.4
ENE
1.4
ENE
Period(s) (?)89868466681010987778899
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2125311514235522273732655521293842161341297318
Wind
(km/h)
5
SSE
15
S
15
SSE
15
S
20
S
15
SE
5
E
10
ESE
15
ESE
10
SSE
15
SSE
15
SSE
10
WSW
0
WNW
10
E
15
SSW
20
SSE
20
SSE
15
SE
20
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crossglasscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		glasscross-
on		offcross-
off		cross-
off		crosscross-
off		cross-
off
High Tide
/ height (m)
9:08PM
1.40
9:15AM
1.55
9:45PM
1.49
9:57AM
1.51
10:23PM
1.55
10:42AM
1.42
11:04PM
1.59
11:30AM
1.31
11:49PM
1.58
12:24PM
1.18
12:40AM
1.55
1:27PM
1.06
1:41AM
1.49
2:44PM
0.98
Low Tide
/ height (m)
3:05AM
0.19
3:33PM
0.06
3:50AM
0.14
4:08PM
0.08
4:37AM
0.12
4:45PM
0.14
5:28AM
0.13
5:25PM
0.22
6:24AM
0.17
6:09PM
0.31
7:27AM
0.23
7:01PM
0.41
8:42AM
0.28
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
Sunrise-6:56--6:56--6:58--6:58--7:00--7:00--7:01-
Sunset--7:08--7:07--7:06--7:05--7:02--7:01--7:00
cloud
light rain
mod rain
rain showers
rain showers
clear
thunderstorm
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
rain showers
rain showers
thunderstorm
mod rain
part cloud
part cloud
Rain (mm)
-1844-3--------2356--
Temp. °C222120202123222222212222212022212221212222
Feels °C (?)222120202022232221202021212021212019202019
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Shark Island (Cronulla) at:
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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 16 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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