Shark Island (Cronulla) Surf Break

Lat Long: 34.06° S 151.16° E

Issued: 3 am 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Shark Island (Cronulla) sea temperature is
18.3° C

Normal for this time of year

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 3 Jul 2026:

  • Best quality surf: Tuesday 7 Jul, 4AM (local time) - 8ft (2.5m), 10s period, SSE swell with offshore winds.
  • Most powerful swell: Sunday 5 Jul, 4PM (local time) - 10ft (3.0m), 12s period, SSE swell with 2,472 kJ wave energy.
  • Next surfable swell (1★+): Saturday 4 Jul, 1PM (local time) - 3.5ft (1.0m), 9s period with S 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 (Jul 04) at 1PM. The primary swell is predicted to be 1.0m and 9s period with a secondary swell of 0.2m and 7s. 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 3.0m 12s and forecast to arrive on Sunday (Jul 05) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Saturday (Jul 04) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sat 4th Jul)3.5ft (1.0m) 9s
Best Surf 4AM (Tue 7th Jul)8ft (2.5m) 10s
Most Powerful 4PM (Sun 5th Jul)10ft (3.0m) 12s

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


Updates in  hr  min  s Forecast update imminent

Alright, Rusty here with a look at what’s coming up for Shark Island (Cronulla).

This reef break, a classic for the advanced crew, is about to fire up, but we’ve got a bit of a quiet start. The forecast kicks off properly on Saturday the 5th, and right out of the gate, we’re looking at a solid, groundswell-driven pulse. The water temp is sitting at 65°, which is pretty much bang on average for this time of year, so nothing unusual there.

Overall Pattern: After a fairly marginal Saturday morning with small 4ft S swell and clean conditions, we see a real build-up. Sunday morning (5th July) brings a serious jump: a 10ft S swell with a 11-second period and a massive combined energy of 2050 – that’s a strong, powerful pulse. Wind is a cross-off from the SSW at 22 mph, which will keep it clean. That’s big, expert-only territory. The afternoon is similar, still big at 10ft from the SSE and a longer 12-second period, energy hitting 2481.

Monday the 6th eases slightly but stays solid with 8ft SSE swell and a 10-second period. The cross-off wind holds, but the energy is still moderate to strong at around 1086.

The Standout: For my money, the best window across the whole run is Wednesday morning, July 8th. We’ve got an 8ft SSE swell with a 10-second period and strong energy (2717 combined), but the key here is the wind: 16 mph offshore from the SSW. That’s glassy, clean surf for an advanced lineup. The rating for that session is excellent for experienced surfers – this is the one to circle. For a reef break like Shark Island, that offshore wind will groom it perfectly.

Another serious pulse arrives later in the run. Sunday morning, July 19th, shows an 12ft SSE swell with a 10-second period, massive energy at 3739, and light 6 mph offshore from the SW. That’s another excellent, clean session for the experienced crew.

Gaps and Lulls: After the 11th, things drop right off. From Sunday the 12th through Monday the 13th, there’s practically nothing – small 1ft to 3ft swells and poor conditions. That’s a quiet 2-day gap. Then Tuesday the 14th sees a rapid return of swell, jumping to 8ft S, building into the 12ft range by the afternoon with clean offshore wind.

Later Period: Into the second week, confidence drops a bit but the trend is solid. Thursday the 16th and Friday the 17th are messy with strong SSW cross-off winds and shorter 8-second periods, keeping the quality poor for paddle surfing. The swell is there (7ft to 8ft), but the wind and short period won’t make for a great wave. This setup might actually be more interesting for kite surfing with that strong, consistent breeze.

Saturday the 18th brings a big, ramping swell: 12ft from the SSE by afternoon with an 11-second period and an enormous 5701 combined energy. That is a huge, powerful groundswell. It’s for experts only. Then Sunday the 19th cleans up beautifully with that light offshore I mentioned.

Crowds: Shark Island can get busy, so be prepared to share the peak, especially on the good days.

So, the headline: Wednesday 8th July morning is the real standout for quality, clean surf. Sunday 19th July morning looks like another cracker. The rest of the run is a mix of big, powerful swells and some lulls.

Stay stoked.

Rusty

Short Range Forecast

Moderate rain (total 11mm), heaviest on Sat night. Very mild (max 16°C on Sat morning, min 12°C on Sun morning). Winds increasing (light winds from the S on Sat morning, fresh winds from the S by Sat night).

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Tue morning. Very mild (max 15°C on Tue afternoon, min 12°C on Tue night). Mainly fresh winds.

Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
2
2
2
2
1
1
1
3
2
2
4
1
4
2
1
3
1
3
2
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
S
12
0.8
S
9
1.5
S
12
3
S
11
3
SSE
12
2.5
SSE
10
2.4
SSE
10
2.4
SSE
10
2.4
SSE
10
2.5
SSE
10
3
SSE
11
3
SSE
11
2.5
SSE
10
2.3
SSE
10
2.5
SSE
10
3
S
9
2.5
SSE
9
2.5
SSE
11
2.3
SSE
11
2.1
SSE
10
1.7
SSE
10
Wave Graph
Metric surfscale
Energy kJ
316
95
594
2041
2472
1600
1077
1100
1080
1379
1897
1862
1393
1001
1310
1328
1039
1358
1148
959
576
Wind (km/h)
15
W
15
SE
20
S
35
SSW
35
S
25
SSE
25
SSE
30
S
25
SSW
25
SSW
30
SSW
30
SSW
25
SSW
30
SSW
25
SSW
25
SSW
30
SSW
15
SSW
25
S
10
SE
10
WSW
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:18AM1.10m
11:02PM1.45m
12:02PM1.14m
11:43PM1.37m
12:48PM1.19m
00:31AM1.29m
1:39PM1.26m
1:27AM1.20m
2:33PM1.33m
2:35AM1.12m
3:30PM1.42m
3:50AM1.07m
4:29PM1.53m
Low Tide
4:44PM0.47m
5:48AM0.20m
5:34PM0.49m
6:25AM0.21m
6:31PM0.51m
7:06AM0.23m
7:37PM0.51m
7:53AM0.26m
8:50PM0.47m
8:45AM0.29m
10:05PM0.39m
9:44AM0.31m
11:15PM0.28m
clear
clear
rain showers
light rain
light rain
light rain
cloud
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
light rain
light rain
mod rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:01
7:01
7:01
7:00
7:00
7:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:57
4:58
4:58
4:59
4:59
5:00
5:00
 mm
1
1
2
4
2
1
1
3
2
1
2
5
10
8
Temp °C
16
15
15
15
15
15
15
15
15
14
15
14
14
14
14
13
14
14
14
14
13
Feels °C
13
11
12
8
7
9
9
9
10
8
9
8
7
8
8
7
8
10
9
12
12
Swell 1
Height (m)
Direction
Period (s)
1.1
S
12
0.8
S
9
1
S
8
0.2
E
8
0.2
ENE
8
0.1
E
13
0.1
E
14
0.1
S
20
2.4
SSE
10
2.4
SSE
10
2.5
SE
10
2.5
SE
10
2.5
SSE
10
0.6
ESE
12
2.4
SSE
10
2.4
SSE
9
0.5
SSE
14
2.5
SSE
11
2.3
SSE
11
2.1
SSE
10
1.7
SSE
10
Energy kJ
316
95
133
5
6
3
4
8
1080
1124
1440
1440
1172
117
1055
959
104
1358
1148
959
576
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
8
0.5
S
12
0.6
S
12
0.1
E
14
0.1
E
13
0.1
E
16
0.1
E
16
0.7
SE
13
0.1
S
17
0.6
ESE
14
0.6
ESE
11
0.5
ESE
10
0.1
S
16
0.8
SE
14
0.1
S
20
0.1
S
21
0.1
S
17
Energy kJ
14
66
95
4
3
5
5
180
5
152
97
58
5
228
8
8
5
Swell 3
Height (m)
Direction
Period (s)
0.1
E
13
0.2
ENE
7
0.2
ENE
7
0.1
E
13
0.1
S
23
0.1
S
18
0.1
S
16
0.1
S
20
Energy kJ
3
5
5
3
11
6
5
8
Wind waves
Height (m)
Direction
Period (s)
0.5
W
4
0.2
SSE
2
1.5
S
12
3
S
11
3
SSE
12
2.5
SSE
10
2.4
SSE
10
2.4
SSE
10
2.5
SSE
10
3
SSE
11
3
SSE
11
2.5
SSE
10
2.3
SSE
10
2.5
SSE
10
3
S
9
2.5
SSE
9
Energy kJ
7
1
594
2041
2472
1600
1077
1100
1379
1897
1862
1393
1001
1310
1328
1039
Nearest Offshore or Glassy
Rating
(10 max)
2
1
3
4
4
3
4
4
4
4
5
4
4
2
4
4
4
4
4
3
3
Distance (km)
1
0
0
73
175
153
82
82
0
32
43
40
0
46
0
39
40
0
0
0
0
Best forecast wave conditions in Sydney South Coast
Rating
(10 max)
2
1
3
4
4
4
4
4
3
3
Best forecast wave conditions in Australia
Rating
(10 max)
5
5
6
5
4
7
4
4
8
7
5
5
6
5
5
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
5
6
5
9
7
5
6
8
7
4
5
9
8
9
6
5
5
8
5
8
  • 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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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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