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.

10-Day Forecast
Wed19
3
Poor
1.2m@7s
11km/h
Thu20
0
Poor
1.0m@7s
9km/h
Fri21
2
Poor
0.9m@7s
8km/h
Sat22
0
Poor
0.5m@8s
12km/h
Sun23
22
Poor
1.6m@10s
7km/h
Mon24
12
Poor
0.9m@13s
10km/h
Tue25
0
Poor
1.3m@8s
14km/h
Wed26
19
Poor
1.2m@9s
13km/h
Thu27
48
Fair
3.0m@11s
12km/h
Fri28
49
Fair
1.7m@10s
7km/h
5+ days out, less certain

Today's Conditions

Find Flights
Best session: MorningAM 6 km/h · PM 16 km/h
Swell
1.2m
ESE(108°)
Score: 8/25
Period
7s
Short period / windswell
Score: 1/25
Wind
11km/h
NNE(14°)
Score: 8/25
Weather
15°C
0.0mm30%
First light 6:00amSunrise 6:30amSunset 5:28pmLast light 5:58pm
Windswell0.2m@2sSecondary0.4mConfidence
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: 11:19am–2:53pm · 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
8°
14°
18°
18°
16°
10°
11°
19°
20°
18°
12°
12°
17°
18°
16°
12°
16°
18°
17°
16°
12°
15°
18°
18°
16°
10°
13°
20°
21°
19°
16°
18°
20°
22°
20°
11°
14°
16°
18°
16°
11°
15°
16°
17°
15°
10°
15°
17°
16°
15°
4m2.0
sec
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
7s
8s
8s
8s
8s
8s
10s
10s
10s
10s
10s
13s
13s
13s
13s
13s
8s
8s
8s
8s
8s
9s
9s
9s
9s
9s
11s
11s
11s
11s
11s
10s
10s
10s
10s
10s
swell
windkm/h
7g13
5g16
12g30
15g36
17g32
9g17
7g21
5g17
13g30
12g27
9g18
6g14
11g27
9g24
4g13
9g16
10g23
10g32
15g37
15g35
3g5
1g8
9g25
12g32
11g28
7g14
10g23
6g24
13g29
15g37
7g28
12g41
16g45
20g42
13g43
7g21
14g32
15g42
13g51
11g46
14g28
17g36
8g39
11g37
9g34
5g20
4g18
8g22
10g29
9g31
tidem
6:18am0.5m
1:08pm1.4m
7:36pm0.6m
1:11am1.0m
7:03am0.5m
2:03pm1.4m
8:53pm0.6m
2:33am1.0m
8:03am0.6m
3:03pm1.4m
10:03pm0.6m
3:51am1.0m
9:03am0.7m
4:03pm1.4m
4:54am1.0m
10:16am0.6m
4:57pm1.5m
5:49am1.1m
11:03am0.7m
5:43pm1.6m
6:29am1.2m
12:03pm0.6m
6:24pm1.6m
1:13am0.4m
7:09am1.2m
12:38pm0.5m
7:07pm1.7m
1:45am0.3m
7:43am1.3m
1:19pm0.5m
7:41pm1.7m
2:15am0.3m
8:16am1.3m
Ideal tideStrike windowDanger tideNight

Tide times today

6:18 am
Low tide - 0.46m
1:08 pm
High tide - 1.36m
7:36 pm
Low tide - 0.58m
Times shown in spot-local time.

Strike Score Breakdown

3
Poor
Components
Swell Direction10/25
Swell Size8/25
Swell Period1/25
Wind8/25
Raw Score27/100
Adjustments
🚫 Tide-10
💨 Gusty Wind-5
📉 Undersized Swell-9
🚫 Tide Capmax 35
Adjusted Score3/100
Confidence
Multiplier×1.00
Final Score3
🌊 Too low for this break

Plan Your Strike

Return flights to SYD, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
SE (135°)
Direction range
90° - 170°
Size range
1.2m - 3m
Ideal size
2.5m
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

Frequently Asked Questions

What tide is best at Shark Island?

Shark Island works best on a high tide, ideally between 1.2m and 2m on the local tide chart. The tide chart above shows today’s strike window. Below 0.8m it gets dangerously shallow.

What wind direction is offshore at Shark Island?

Offshore wind at Shark Island blows from the WSW (250°). Anything in the 225° to 315° range grooms the faces; outside it, expect chop or bumpy conditions.

What swell size and direction work best at Shark Island?

Shark Island wants SE swell (90° to 170°) between 1.2m and 3m, with a period of 16s or more for quality waves.

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?

Fly into SYD, then allow about 35 minutes by road.

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

Strike Log

Community Discussion