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Shark Island (Cronulla) Surf Forecast
/ NSW – Sydney South Coast (18 breaks) / New South Wales (297 breaks) /
Surf Forecasts:
Shark Island (Cronulla) surfForecast / NSW – Sydney South Coast / Australia
12 Day Weather and Surf, issued 3 am Saturday 30 Aug 2025 AEST
Best Forecast Surf Conditions for Shark Island (Cronulla) this week:
The surf forecast for Shark Island (Cronulla) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 30) at 7PM. The primary swell is predicted to be 4.0m and 11s period with a secondary swell of 3.5m and 10s. Another secondary swell of 0.3m and 11s is also forecast. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Shark Island (Cronulla) in the next 12 days are 4.5m 12s and forecast to arrive on Saturday (Aug 30) at 10PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Saturday (Aug 30) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Sat 30th Aug) | 13ft (4.0m) 11s |
| Best Surf | 10PM (Sat 30th Aug) | 15ft (4.5m) 12s |
| Most Powerful | 10PM (Sat 30th Aug) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 12 days.
Short Range Forecast Light rain (total 4mm), mostly falling on Mon night. Very mild (max 17°C on Mon morning, min 9°C on Sat night). Winds decreasing (strong winds from the WSW on Sat morning, light winds from the ENE by Sun morning). | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 19°C on Wed morning, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 11 | 8 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 10 | 9 | 9 | 10 | 10 | 10 | 8 | 11 | 9 | 9 | 6 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 92 | 753 | 3080 | 1579 | 943 | 615 | 457 | 318 | 210 | 164 | 156 | 102 | 64 | 73 | 135 | 211 | 102 | 135 | 87 | 91 | 285 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | cross- off | on | cross- off | cross- off | cross- off | off | cross- off | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | on | cross |
High Tide / height (m) | 12:45PM 1.27 | 1:07AM 0.92 | 1:43PM 1.25 | 2:23AM 0.87 | 2:50PM 1.25 | 3:47AM 0.87 | 3:57PM 1.30 | 4:56AM 0.92 | 4:54PM 1.38 | 5:48AM 0.99 | 5:43PM 1.47 | 6:31AM 1.09 | 6:27PM 1.56 | ||||||||
Low Tide / height (m) | 7:29PM 0.52 | 6:47AM 0.53 | 8:45PM 0.53 | 7:48AM 0.57 | 10:02PM 0.50 | 9:02AM 0.58 | 11:04PM 0.42 | 10:12AM 0.54 | 11:52PM 0.33 | 11:11AM 0.47 | 12:32AM 0.23 | 12:01PM 0.39 | 1:10AM 0.14 | ||||||||
Saturday 30 | Sunday 31 | Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||
| Sunrise | 6:16 | - | - | 6:16 | - | - | 6:15 | - | - | 6:13 | - | - | 6:11 | - | - | 6:11 | - | - | 6:09 | - | - |
| Sunset | - | 5:35 | - | - | 5:35 | - | - | 5:36 | - | - | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:38 | - |
 | |  |  | | | | |  | |  | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 4 | - | 1 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 12 | 15 | 15 | 14 | 17 | 16 | 15 | 17 | 17 | 15 | 19 | 19 | 15 | 18 | 17 | 16 | 17 | 18 | 17 |
| Feels °C (?) | 4 | 7 | 6 | 12 | 10 | 12 | 14 | 13 | 13 | 15 | 13 | 11 | 12 | 12 | 11 | 15 | 12 | 14 | 14 | 14 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for NSW - Sydney South Coast
Still cross-shore at Shark Island (Cronulla) (strong winds from the NW at Kurnell Automatic Weather Station 8 km from Shark Island (Cronulla)). 0.7m 12s groundswell from the S with a 0.5m 11s groundswell from the E. 2 swells combining to make bigger set waves.
1 h 19 min ago
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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 12 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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