Slab
right
Level 10/10

Shark Island

Cronulla, Australia
⚠️Shallow🪸Sharp reef🦔Urchins😮‍💨Hold-downs

Shark Island is Sydney's most punishing wave—a right-hand slab that breaks over an almost-dry rock shelf, producing thick, heavy barrels of cartoonish proportions. The wave is mostly dominated by bodyboarders due to the shallow, square-shaped takeoff that makes standing up nearly suicidal. It only works for two hours either side of high tide, and even then, broken bones and backs are common. This is Sydney's gladiatorial arena: brutal, unforgiving, and spectacular to watch.

Shark Island surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today20
30
Poor
1.3m@11s
9km/h
Mon21
0
Poor
1.1m@12s
22km/h
Tue22
42
Poor
2.0m@11s
11km/h
Wed23
34
Poor
1.6m@14s
13km/h
Thu24
2
Poor
1.2m@10s
17km/h
Fri25
4
Poor
1.2m@11s
10km/h
Sat26
2
Poor
1.1m@8s
18km/h
Sun27
37
Poor
1.6m@10s
9km/h
Mon28
48
Fair
2.6m@13s
11km/h
Tue29
50
Fair
1.7m@12s
8km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 7 km/h · PM 6 km/h
Swell
1.3m
S(169°)
Score: 12/25
Period
11s
Medium period swell
Score: 4/25
Wind
9km/h
N(6°)
Score: 12/25
Weather
24°C
0.0mm0%
First light 5:18amSunrise 5:48amSunset 5:50pmLast light 6:20pm
Windswell0.1m@1sSecondary0.1mConfidence
100%

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
Showing forecast for today

Hourly Forecast, Tide & Strike Windows

Strike window: 12:26–6:05pm · through highIdeal tide: 1.2–2.0m
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
15°
21°
28°
28°
24°
19°
27°
21°
19°
16°
16°
17°
18°
17°
16°
15°
19°
22°
21°
19°
16°
20°
22°
21°
19°
15°
19°
23°
24°
23°
19°
26°
26°
21°
19°
18°
20°
21°
20°
19°
18°
19°
20°
20°
20°
17°
22°
25°
27°
26°
3m1.5
sec
11s
11s
11s
11s
11s
12s
12s
12s
12s
12s
11s
11s
11s
11s
11s
14s
14s
14s
14s
14s
10s
10s
10s
10s
10s
11s
11s
11s
11s
11s
8s
8s
8s
8s
8s
10s
10s
10s
10s
10s
13s
13s
13s
13s
13s
12s
12s
12s
12s
12s
swell
windkm/h
5g12
9g26
9g30
12g33
1g20
15g27
9g28
28g65
29g67
26g58
14g31
12g31
12g31
12g30
4g16
5g10
7g20
13g34
19g43
20g46
7g14
14g34
21g50
22g54
21g52
6g14
4g17
12g33
16g40
13g42
7g10
10g20
7g44
33g76
32g89
3g15
3g17
9g25
15g39
13g44
4g10
8g23
11g31
14g36
13g38
6g18
8g23
7g29
10g35
7g34
tidem
3:15am1.1m
8:28am0.8m
3:18pm1.5m
10:25pm0.7m
4:28am1.2m
9:51am0.8m
4:15pm1.5m
5:16am1.1m
10:40am0.6m
5:13pm1.5m
5:52am1.2m
11:33am0.6m
5:48pm1.5m
6:33am1.2m
12:13pm0.4m
6:28pm1.5m
7:07am1.3m
12:55pm0.3m
7:10pm1.5m
1:31am0.1m
7:40am1.4m
1:36pm0.3m
7:48pm1.5m
2:03am0.2m
8:17am1.5m
2:21pm0.2m
8:29pm1.5m
2:33am0.2m
8:53am1.6m
3:06pm0.2m
9:13pm1.5m
3:10am0.2m
Ideal tideStrike windowDanger tideNight

Tide times today

3:15 am
High tide - 1.07m
8:28 am
Low tide - 0.79m
3:18 pm
High tide - 1.48m
10:25 pm
Low tide - 0.65m
Times shown in spot-local time.

Strike Score Breakdown

30
Poor
Components
Swell Direction8/25
Swell Size12/25
Swell Period4/25
Wind12/25
Raw Score36/100
Adjustments
🌊 Tide-2
💨 Gusty Wind-4
Adjusted Score30/100
Confidence
Multiplier×1.00
Final Score30
🌊 Too low for this tide window

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Swell Requirements

Optimal direction
SE (135°)
Direction range
90° - 170°
Size range
1.2m - 3m
Ideal size
2m - 2.6m
Height multiplier
1.00×
Ideal period
16s+

Wind Requirements

Optimal direction
WSW (250°)
Offshore range
225° - 315°

Tide Requirements

Optimal tide
high
Optimal range
1.2m - 2m
Danger below
0.8m

Water temp

19°C

Wetsuit

3/2mm fullsuit

Difficulty

10/10

Crowd level

5/10

👥 Spring Break (Sep 26Oct 11) — expect extra crowds

Frequently Asked Questions

What tide is best at Shark Island?

The Shark Island profile favors high tide, ideally between 1.2m and 2m on the local tide chart. Compare this preference with the forecast tide and local conditions before choosing a session. The profile flags a low-tide hazard below 0.8m.

What wind direction is offshore at Shark Island?

The Shark Island profile uses wind from WSW (250°) as its preferred direction, with an offshore range of 225° to 315°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Shark Island?

The Shark Island scoring profile favors swell from SE (90° to 170°), a swell-height range of 1.2m to 3m, and a reference period of 16s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.

When is the best time of year to surf Shark Island?

The main season at Shark Island is Mar-Aug. Autumn-winter. Only surfable 2hrs either side of high tide.

How do I get to Shark Island?

The spot profile lists SYD as a nearby airport. The estimated road transfer is 35 minutes.

What kind of wave is Shark Island?

Shark Island is a slab break, a right-hander. Difficulty is rated 10/10.

Best Season

Peak: Mar-Aug

Autumn-winter. Only surfable 2hrs either side of high tide.

Getting There

Airport
SYD
Drive time
35 min
Data quality
verified

Plan a trip around Shark Island

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Community Discussion