Shark Island (Cronulla) Surf Break

Lat Long: 34.06° S 151.16° E

Shark Island (Cronulla) Surf Forecast and Surf Report

Issued: 3 pm 29 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.


Shark Island (Cronulla) surf forecast from 29 Aug 2026:

  • Best quality surf: Saturday 29 Aug, 10PM (local time) - 3.5ft (1.0m), 9s period, SE swell with cross-offshore winds.
  • Most powerful swell: Sunday 30 Aug, 10AM (local time) - 3.5ft (1.1m), 9s period, S swell with 196 kJ wave energy.
  • Next surfable swell (1★+): Saturday 29 Aug, 10PM (local time) - 3.5ft (1.0m), 9s period with SE swell.

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 (Aug 29) at 10PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.8m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Shark Island (Cronulla) in the next 16 days are 1.1m 9s and forecast to arrive on Sunday (Aug 30) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Sep 05) at 1PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sat 29th Aug)3.5ft (1.0m) 9s
Best Surf10PM (Sat 29th Aug)3.5ft (1.0m) 9s
Most Powerful10AM (Sun 30th Aug)3.5ft (1.1m) 9s

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


The Lowdown

G'day, I'm Rusty. Let's have a look at what's on the menu for the next couple of weeks.

Straight up, the outlook is a bit of a tough one. There's a long stretch of tiny, junky surf ahead. It's not going to be flat, but it's going to be hard work for a decent wave. The water temperature is sitting at 62°F which is about normal for this time of year, so no surprises there.

The first real chance of anything worthwhile doesn't come until that Sunday morning the 6th of September. We're looking at Shark Island (Cronulla) early that morning. There's a clean 4ft S swell with a light cross-offshore breeze out of the NW. The combined energy is moderate at 275 (kN/m). It's a reef break, so it handles the S swell well, but it's a fairly consistent spot, though it can be inconsistent. The main issue is the tide, which could make it a bit marginal, so keep an eye on that. It's not a standout, but it's the best we've seen in a while.

Then the real standout – and it's a ripper – comes in on Wednesday the 9th of September. The morning session at Shark Island (Cronulla) is where it's at. We're looking at a solid 7ft S swell with a clean offshore breeze out of the S. The combined energy is a massive 1018 (kN/m), which is strong wave energy. That's a powerful S groundswell with a period of 11 seconds, which is a nice long period. This is a proper swell, but it's big. At 7ft, this is advanced territory, especially at a reef break. The wind is clean, so it should be well-shaped, but the period is long enough that it might be a bit tricky at the beach, but a reef like Shark Island should handle it nicely. The afternoon session also holds 7ft of S swell, but the wind swings onshore from the E, so the morning is the go. This is the best on offer, but it's a long way out so keep an eye on the forecasts.

Thursday the 10th still has some size, with 7ft S swell in the morning, but the wind is cross-onshore from the N, which will put a bit of a bump on it. The energy is still very strong at 976 (kN/m), but the quality won't be the same as the 9th.

Beyond that, it drops right back off. The 11th has a clean 4ft S swell, but it's a drop in size and energy, and the 12th and 13th are back to tiny, messy waves. So, the big call is the 9th of September. If you're an advanced surfer and can wait, that's your window. For the rest, it's a classic case of picking your moments for a small, clean wave.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 22°C on Tue morning, min 11°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Wed morning, min 14°C on Thu night). Wind will be generally light.

Sat
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
1
0
2
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SE
10
0.9
SSE
10
1.1
S
9
0.9
S
9
1
S
9
0.9
S
8
0.8
S
9
0.9
S
9
0.9
S
11
0.8
S
11
0.7
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.4
SSE
9
0.5
S
11
0.4
SSE
10
0.5
S
10
0.5
S
12
0.6
S
11
Wave Graph
Metric surfscale
Energy kJ
211
157
196
123
168
113
99
136
184
146
100
71
73
49
29
59
33
48
66
79
Wind (km/h)
15
SE
5
WSW
10
NW
10
ESE
5
WNW
10
NNW
20
NE
10
N
15
N
15
NNE
15
NNW
15
NW
10
W
15
NW
15
W
25
WSW
20
WSW
10
W
15
ENE
10
NW
Wind State
cross
cross-off
cross
cross-on
cross-off
cross-on
on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross
cross-off
off
cross-off
cross-off
cross-on
cross
High Tide
8:57PM1.53m
9:30AM1.37m
9:35PM1.46m
10:07AM1.41m
10:15PM1.37m
10:47AM1.44m
11:01PM1.26m
11:33AM1.44m
11:54PM1.14m
12:27PM1.43m
1:01AM1.04m
1:31PM1.43m
2:23AM0.97m
Low Tide
3:21AM0.12m
3:27PM0.25m
3:53AM0.14m
4:12PM0.26m
4:27AM0.19m
5:02PM0.29m
5:05AM0.26m
6:00PM0.32m
5:50AM0.33m
7:08PM0.35m
6:45AM0.41m
8:29PM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:15
6:13
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:35
5:35
5:36
5:37
5:37
5:37
 mm
Temp °C
15
14
17
15
14
18
17
16
22
24
20
27
27
22
24
23
16
21
20
17
Feels °C
13
13
15
13
14
14
13
15
18
21
16
23
24
18
19
17
10
18
16
15
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  • 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 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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