Surf Forecasts:
Shark Island (Cronulla) surf forecast from 3 Sep 2026:
- Best quality surf: Sunday 6 Sep, 10PM (local time) - 6ft (1.9m), 11s period, S swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 10AM (local time) - 8ft (2.5m), 11s period, S swell with 1,672 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 1AM (local time) - 1.5ft (0.4m), 10s period with SSE 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 Friday (Sep 04) at 1AM. The primary swell is predicted to be 0.4m and 10s period with a secondary swell of 0.4m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Shark Island (Cronulla) in the next 16 days are 2.5m 11s and forecast to arrive on Thursday (Sep 10) at 10AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Sep 04) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Fri 4th Sep) | 1.5ft (0.4m) 10s |
| Best Surf | 10PM (Sun 6th Sep) | 6ft (1.9m) 11s |
| Most Powerful | 10AM (Thu 10th Sep) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s have a look at what’s shaping up around Shark Island (Cronulla). This is a reef setup that needs a decent S or SE swell to fire, and it’s pretty exposed to it, but it’s an advanced wave – not for the faint-hearted.
The next couple of days are a bit of a write-off, with small swell and messy winds. The first real chance of something worthwhile comes on Friday morning, the 4th of September. We’ll see a clean 1.3m S swell with a 10-second period, and light WNW winds keeping it clean. The water’s sitting at 17°, which is pretty much bang on average for this time of year. Not a standout, but a solid session.
The best of the whole outlook is shaping up for Friday morning, September 11th. That’s your standout. The swell is 1.8m from the S with an 11-second period, giving it proper shape and energy. The combined energy is a solid 816 – that’s moderate wave energy, but with good quality. The wind is light from the S, so it’s clean and offshore-ish. This is your window for a proper reef session. It’s a crowd favourite here, so expect some company.
Before that, Tuesday morning, September 8th, is worth a mention. We’ve got 1.6m from the S, 8-second period, and the combined energy jumps to 816 again. The wind is cross-offshore from the S, so it’s clean. It’s a bit of a lumpy one, but still surfable if you’re keen.
From the 12th onward, it’s a slow fade. The swell drops and the winds turn, with a lot of cross-shore and onshore junk. A couple of days around the 16th and 17th show tiny, long-period pulses (20 seconds) but only 0.2m to 0.4m – not enough to get excited about. The 18th has a strong offshore wind, but the swell is small and mixed.
So, the takeaway: it’s a quiet start, a promising bump around the 11th, and then it fizzles out. No big standouts beyond that first week.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Sat morning, min 13°C on Sat night). Winds decreasing (fresh winds from the WSW on Thu night, calm by Fri night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Mon night. Very mild (max 19°C on Mon morning, min 11°C on Tue night). Winds increasing (light winds from the WNW on Mon morning, strong winds from the S by Wed afternoon). | ||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSE 10 | S 10 | S 8 | S 11 | S 9 | S 9 | S 9 | S 7 | S 9 | S 9 | S 8 | SSE 8 | SSE 9 | SSE 8 | SSE 8 | S 8 | S 8 | SSE 7 | S 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 33 | 300 | 82 | 59 | 60 | 41 | 27 | 44 | 99 | 427 | 187 | 171 | 522 | 589 | 402 | 107 | 105 | 337 | 1113 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | on | cross-off | cross-on | cross | cross-off | off | cross-off | off | cross-off | cross-on | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off |
High Tide | 1:01AM1.04m | 1:31PM1.43m | 2:23AM0.97m | 2:45PM1.44m | 3:51AM0.97m | 3:59PM1.49m | 5:04AM1.03m | 5:04PM1.56m | 6:02AM1.12m | 6:01PM1.63m | 6:50AM1.21m | 6:51PM1.66m | |||||||
Low Tide | 6:45AM0.41m | 8:29PM0.35m | 7:55AM0.47m | 9:51PM0.31m | 9:14AM0.47m | 11:01PM0.23m | 10:29AM0.43m | 11:58PM0.15m | 11:33AM0.36m | 00:46AM0.08m | 12:29PM0.28m | 1:28AM0.04m | |||||||
 |  | |  |  | | | | | | | |  | | | | |  |  | |
 | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — |
 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 3 |
Temp °C | 16 | 19 | 19 | 17 | 29 | 28 | 20 | 19 | 17 | 16 | 19 | 18 | 15 | 15 | 16 | 14 | 16 | 16 | 14 |
Feels °C | 10 | 16 | 14 | 16 | 24 | 22 | 15 | 14 | 12 | 14 | 16 | 15 | 11 | 10 | 13 | 11 | 14 | 10 | 5 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | S 10 | S 8 | S 7 | S 9 | NE 6 | ENE 6 | S 7 | S 9 | S 9 | S 8 | SSE 8 | E 10 | E 10 | SSE 8 | S 8 | S 8 | ENE 9 | SSE 9 |
| kJ | 31 | 300 | 82 | 37 | 60 | 32 | 26 | 44 | 99 | 427 | 187 | 171 | 9 | 7 | 402 | 107 | 105 | 8 | 898 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | NE 7 | ENE 10 | S 11 | NE 5 | S 9 | S 9 | NE 7 | NE 7 | E 10 | E 10 | SE 11 | NE 8 | E 10 | E 10 | SE 8 | SE 7 | E 17 | ENE 9 |
| kJ | 33 | 9 | 18 | 59 | 6 | 41 | 27 | 23 | 7 | 8 | 8 | 30 | 3 | 9 | 7 | 84 | 43 | 5 | 8 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | ENE 10 | S 18 | NE 5 | E 9 | E 9 | E 11 | E 11 | E 10 | NE 6 | NE 8 | E 10 | E 8 | NE 7 | ENE 10 | ENE 10 | SE 10 | S 17 | E 16 |
| kJ | 16 | 19 | 26 | 8 | 7 | 7 | 2 | 9 | 9 | 2 | 2 | 8 | 1 | 2 | 9 | 9 | 15 | 6 | 5 |
Wind waves Height (m) Direction Period (s) | SW 4 | — | NE 8 | — | NNW 3 | NW 4 | WSW 3 | W 3 | SSE 3 | — | — | ENE 10 | SSE 9 | SSE 8 | — | — | — | SSE 7 | S 9 |
| kJ | 20 | — | 28 | — | 1 | 13 | 3 | 1 | 4 | — | — | 9 | 522 | 589 | — | — | — | 337 | 1113 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 15 | 0 | 2 | 16 | 29 | 29 | 647 | 0 | 0 | 120 | 95 | 73 | 0 | 1 | 0 | 82 | 210 |
Best forecast wave conditions in Sydney South Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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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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