Shark Island (Cronulla) Surf Break

Lat Long: 34.06° S 151.16° E

Shark Island (Cronulla) Surf Forecast and Surf Report

Issued: 3 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Shark Island (Cronulla) sea temperature is
17.4°C
0.5° 

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 14 Sep 2026:

  • Best quality surf: Thursday 17 Sep, 7AM (local time) - 10ft (3.0m), 10s period, S swell with offshore winds.
  • Most powerful swell: Thursday 17 Sep, 1AM (local time) - 11ft (3.5m), 11s period, S swell with 2,602 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 15 Sep, 4AM (local time) - 3ft (0.9m), 7s period with ENE 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 Tuesday (Sep 15) at 4AM. The primary swell is predicted to be 0.9m and 7s period with a secondary swell of 0.4m and 10s. 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 3.5m 11s and forecast to arrive on Thursday (Sep 17) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Monday (Sep 21) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Tue 15th Sep)3ft (0.9m) 7s
Best Surf 7AM (Thu 17th Sep)10ft (3.0m) 10s
Most Powerful 1AM (Thu 17th Sep)11ft (3.5m) 11s

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


The Lowdown

G’day, it’s Rusty. Let’s talk about the next few weeks at Shark Island (Cronulla). This is a solid reef break that loves a good south swell, but we’re looking at a pretty patchy run here. There’s not much to get excited about for the first week – mostly small, messy, or onshore junk. The real standout window is mid-next week, when a big pulse of south swell arrives, but even that comes with a caveat: the conditions are marginal and it’s only for the confident crew.

Right now, Monday the 14th is a write-off. You’ve got a tiny 2 ft south swell with a cross-on northerly breeze and only weak energy (139), so don’t bother. Tuesday the 15th stays small and clean but barely surfable – just 2 ft from the northeast, period of 7 seconds, and the combined energy is a weak 67. Wednesday the 16th is where things start to get interesting, but it’s not for the faint-hearted. A solid 10 ft south swell rolls in on Wednesday morning, period 10 seconds, and the combined energy jumps to a strong 1920. The winds are cross-off from the SSW, keeping it clean, but at 10 ft this is expert territory. It gets even bigger in the afternoon – 12 ft south swell, energy up to 2129 – but the wind swings southerly and picks up to 25 mph, making it a real handful. By Thursday the 17th, the swell hangs around 10 ft from the south, energy a meaty 2590, with light SSW cross-off breezes – clean but again, big. This stretch from Wednesday to Thursday morning is your best bet if you’ve got the skills. After that, the swell drops fast.

Thursday afternoon drops to 7 ft, energy 637, but winds go cross-shore from the ESE, so it’s a bit bumpy. Friday the 18th is small with 5 ft, energy 360, and light cross-shore winds, but nothing special. From Friday arvo through the weekend it fades away to tiny, messy waves – 2 ft on Saturday morning with clean cross-off wind, but very weak energy (122). Sunday the 20th is flat – 1 ft from the SSE, period 9 seconds, energy a paltry 32. Monday and Tuesday next week (21st and 22nd) stay poor, with small onshore slop.

Then another pulse shows up later in the second week. On Monday the 28th, a 6 ft swell from the NE appears, period 8 seconds, energy 628, with clean cross-off SSE winds – that’s a decent option for intermediate surfers, but it’s still marginal. It drops back quickly after that. Tuesday the 29th has only 4 ft from the ENE, energy 152, and moderate cross-off winds.

The water temp is about 63°, which is a touch cooler than average for this time of year (anomaly of -1°), so you’ll want a decent wetsuit.

If you’re an experienced surfer, the Wednesday 16th to Thursday 17th morning window is the clear standout – big south swell, clean, and plenty of power. For everyone else, the small window on Monday the 28th is worth a look. Crowds are sometimes an issue here, especially when it’s good, but with the size and conditions, the main event will weed out the less committed.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 22°C on Mon night, min 9°C on Wed night). Winds increasing (light winds from the NNW on Mon night, strong winds from the S by Tue afternoon).

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Sun morning, min 10°C on Thu night). Wind will be generally light.

Mon
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
1
1
1
3
4
1
2
1
0
1
1
0
0
0
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)
0.6
S
11
1.1
NE
7
0.8
ENE
7
0.6
NE
7
3
S
9
3
S
10
3.5
S
10
3.5
S
11
3
S
10
2
SSE
9
1.6
SSE
9
1.4
SSE
9
1.2
SSE
9
0.9
S
9
0.8
S
9
0.7
S
9
0.5
S
9
0.4
S
9
0.3
S
9
0.2
S
10
Wave Graph
Metric surfscale
Energy kJ
82
109
61
37
1243
1892
2110
2602
1476
641
366
333
254
136
106
78
41
24
14
8
Wind (km/h)
30
NE
10
NNW
10
SSW
30
SSE
30
SSW
35
SSW
40
S
35
SSW
15
SSW
10
ESE
10
WNW
10
NW
20
NE
15
WNW
10
WSW
15
ENE
10
NW
15
NNW
5
NE
15
WNW
Wind State
on
cross
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross-off
cross
on
cross-off
cross-off
cross-on
cross
cross
on
cross-off
High Tide
10:22PM1.25m
10:41AM1.44m
11:04PM1.12m
11:21AM1.39m
11:51PM1.01m
12:07PM1.33m
00:47AM0.92m
1:03PM1.27m
2:01AM0.87m
2:11PM1.24m
3:25AM0.87m
3:22PM1.25m
Low Tide
4:22PM0.24m
4:19AM0.29m
5:09PM0.31m
4:51AM0.38m
6:00PM0.38m
5:28AM0.47m
6:59PM0.45m
6:13AM0.55m
8:11PM0.49m
7:14AM0.60m
9:27PM0.48m
8:32AM0.62m
10:31PM0.44m
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:52
5:50
5:50
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:46
5:47
5:47
5:49
 mm
Temp °C
21
22
21
17
13
13
14
14
14
14
13
20
19
17
24
22
21
27
28
25
Feels °C
16
19
19
12
6
4
4
5
10
11
12
15
14
15
19
17
18
21
25
20
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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 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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