Surf Forecasts:
Shark Island (Cronulla) surf forecast from 18 Sep 2026:
- Best quality surf: Saturday 19 Sep, 10AM (local time) - 2ft (0.6m), 9s period, S swell with offshore winds.
- Most powerful swell: Tuesday 22 Sep, 1AM (local time) - 8ft (2.5m), 9s period, SSE swell with 1,041 kJ wave energy.
- Next surfable swell (1★+): Saturday 19 Sep, 10AM (local time) - 2ft (0.6m), 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 (Sep 19) at 10AM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.4m and 7s. 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 9s and forecast to arrive on Tuesday (Sep 22) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Monday (Sep 21) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Sat 19th Sep) | 2ft (0.6m) 9s |
| Best Surf | 10AM (Sat 19th Sep) | 2ft (0.6m) 9s |
| Most Powerful | 1AM (Tue 22nd Sep) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 17°C on Fri night). Winds increasing (calm on Sun afternoon, fresh winds from the SSE by Mon morning). | Days 5-7 Weather SummaryModerate rain (total 11mm), heaviest on Tue night. Warm (max 20°C on Thu morning, min 13°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||
PM | 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) | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | SSE 18 | SSE 17 | S 11 | E 11 | SSE 9 | SSE 8 | SSE 10 | S 10 | S 19 | ENE 6 | NE 6 | ENE 6 | ENE 6 | NE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 170 | 109 | 61 | 58 | 28 | 100 | 109 | 101 | 110 | 2 | 1041 | 310 | 402 | 183 | 176 | 122 | 137 | 77 | 105 | 341 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | off | glassy | off | cross | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | on | cross-on | on | on | cross-on |
High Tide | 2:01AM0.87m | 2:11PM1.24m | 3:25AM0.87m | 3:22PM1.25m | 4:33AM0.92m | 4:23PM1.30m | 5:22AM1.00m | 5:12PM1.36m | 6:02AM1.09m | 5:55PM1.42m | 6:37AM1.19m | 6:35PM1.46m | ||||||||
Low Tide | 8:11PM0.49m | 7:14AM0.60m | 9:27PM0.48m | 8:32AM0.62m | 10:31PM0.44m | 9:47AM0.59m | 11:19PM0.37m | 10:47AM0.53m | 11:57PM0.30m | 11:37AM0.45m | 00:31AM0.23m | 12:21PM0.37m | 1:03AM0.17m | |||||||
 |  | | | | | | |  | |  |  | | |  | | | | | | |
 | — | — | 5:50 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — |
 | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | 4 | — | — | 4 | 3 | — | — | — | — | — |
Temp °C | 20 | 19 | 27 | 27 | 22 | 25 | 27 | 23 | 27 | 16 | 14 | 14 | 14 | 15 | 17 | 17 | 17 | 20 | 18 | 16 |
Feels °C | 15 | 15 | 24 | 25 | 17 | 20 | 23 | 18 | 22 | 11 | 8 | 10 | 10 | 13 | 13 | 13 | 13 | 15 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 8 | S 10 | S 11 | NE 5 | S 18 | SSE 8 | SSE 15 | S 10 | S 9 | S 10 | ENE 6 | S 10 | S 11 | ENE 7 |
| kJ | 170 | 109 | 61 | 58 | 28 | 100 | 43 | 53 | 110 | 1 | 26 | 310 | 22 | 183 | 106 | 94 | 94 | 75 | 55 | 191 |
Swell 2 Height (m) Direction Period (s) | SE 7 | ESE 7 | SE 7 | ESE 7 | ESE 7 | S 5 | SSE 18 | SSE 17 | NE 4 | E 11 | — | S 11 | S 19 | SSE 19 | S 19 | SSE 15 | S 10 | E 10 | E 12 | SSE 10 |
| kJ | 43 | 31 | 14 | 5 | 5 | 7 | 109 | 101 | 1 | 2 | — | 88 | 28 | 119 | 176 | 44 | 102 | 2 | 3 | 33 |
Swell 3 Height (m) Direction Period (s) | SSE 18 | SSE 17 | SSE 15 | S 18 | — | SSE 19 | S 10 | S 7 | E 11 | — | — | S 20 | E 11 | — | E 13 | S 20 | E 13 | — | E 12 | E 12 |
| kJ | 61 | 95 | 47 | 26 | — | 71 | 19 | 15 | 3 | — | — | 8 | 2 | — | 3 | 7 | 3 | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 3 | — | W 3 | — | WSW 3 | — | NE 3 | NW 2 | NW 3 | SSE 5 | SSE 9 | — | SSE 10 | ESE 5 | E 6 | ENE 6 | NE 6 | ENE 6 | ENE 6 | NE 7 |
| kJ | 3 | — | 3 | — | 1 | — | 2 | 1 | 3 | 104 | 1041 | — | 402 | 49 | 72 | 122 | 137 | 77 | 105 | 341 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 5 | 1 | 0 | 0 | 29 | 1 | 1 | 1 | 0 | 210 | 120 | 73 | 40 | 0 | 49 | 60 | 2 | 61 | 472 | 1 |
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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