Surf Forecasts:
Shark Island (Cronulla) surf forecast from 21 Jul 2026:
- Best quality surf: Friday 24 Jul, 7AM (local time) - 6ft (1.9m), 10s period, S swell with offshore winds.
- Most powerful swell: Friday 24 Jul, 10PM (local time) - 6ft (1.8m), 13s period, S swell with 1,021 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 4AM (local time) - 3.5ft (1.1m), 10s period with ENE 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 Wednesday (Jul 22) at 4AM. The primary swell is predicted to be 1.1m and 10s period with a secondary swell of 0.3m and 10s. Another secondary swell of 0.8m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Shark Island (Cronulla) in the next 16 days are 1.8m 13s and forecast to arrive on Friday (Jul 24) at 10PM. 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 Thursday (Jul 23) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Wed 22nd Jul) | 3.5ft (1.1m) 10s |
| Best Surf | 7AM (Fri 24th Jul) | 6ft (1.9m) 10s |
| Most Powerful | 10PM (Fri 24th Jul) | 6ft (1.8m) 13s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s shaping up ahead of us. The first few days are a bit of a write-off, so don’t stress about rushing out. We’re looking at a slow start, but there’s a real pulse of energy coming through later in the period that’s worth circling on the calendar.
For the first few days, from Tuesday through Thursday, it’s pretty ordinary. Small, weak ENE swell with onshore or cross-shore winds making a mess of things. The combined energy is low, under 400 (377), and the conditions are just not there. Wednesday morning might offer a tiny window with a clean 3ft wave from the ENE, but it’s very ordinary. Honestly, leave the board in the shed.
Things start to get interesting on Friday, the 24th of July. The morning brings a solid jump in size. We’re looking at a 7ft south swell, with a clean offshore wind blowing from the SW. The energy is pumping at 1264, and the conditions are set to be very good. This is a strong, punchy swell for the advanced crew. The water temp is sitting at 63°, which is about average for the time of year, nothing weird there.
Friday afternoon drops off a bit with the wind swinging onshore, but the real standout is waiting for us. Wednesday the 29th of July. Mark it down. The morning delivers a hefty 10ft south swell, with a clean offshore breeze from the SW. This is big, powerful stuff – the combined energy is a massive 2154. This is for experts only. The reef at Shark Island (Cronulla) will be handling that south swell really well, but it’s going to be a handful. If you’re not comfortable in solid, critical waves, sit this one out.
The morning of Thursday the 30th of July is also a strong one, with an 8ft south swell and light offshore winds, but the energy is dropping slightly to 1669. Still excellent for experienced surfers.
Beyond that, there’s a smaller but clean run on the 1st of August. Saturday morning looks glassy with a 5ft SE swell, which is a nice size for a good session without the chaos. The wind is dead calm, so it’ll be clean as a whistle. That’s a solid option for a weekend paddle.
The rest of the period into early August drops off again, with onshore winds and small, weak swell. Don’t get your hopes up for the first week of August.
So, the pick of the bunch is the 29th of July for the big, powerful south swell. If that’s too heavy, the 24th of July morning is a great alternative, and the 1st of August morning is a solid, clean option for a fun session.
Stay safe out there.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Wed afternoon, min 8°C on Thu night). Winds increasing (light winds from the N on Wed afternoon, fresh winds from the WSW by Thu afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sat morning, min 8°C on Fri night). Winds increasing (light winds from the ESE on Fri afternoon, fresh winds from the W by Sat afternoon). | ||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||
AM | 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) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | S 9 | S 9 | S 9 | S 12 | S 11 | S 10 | S 11 | S 10 | S 10 | S 10 | S 9 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 314 | 263 | 218 | 175 | 163 | 126 | 94 | 71 | 150 | 771 | 247 | 895 | 507 | 302 | 223 | 367 | 347 | 220 | 125 | 92 | 63 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross | cross-off | cross-on | cross-off | cross-off | cross-off | off | off | cross | cross-off | cross-off | cross-off | off | off | cross | cross-off | cross-off | on | off |
High Tide | 1:57PM1.29m | 1:59AM1.03m | 2:51PM1.30m | 3:05AM0.94m | 3:46PM1.32m | 4:16AM0.90m | 4:39PM1.35m | 5:22AM0.90m | 5:30PM1.40m | 6:15AM0.93m | 6:15PM1.45m | 7:00AM0.98m | 6:57PM1.51m | ||||||||
Low Tide | 8:19PM0.51m | 8:02AM0.41m | 9:32PM0.51m | 8:50AM0.47m | 10:42PM0.48m | 9:44AM0.50m | 11:41PM0.43m | 10:40AM0.50m | 00:29AM0.37m | 11:33AM0.48m | 1:11AM0.31m | 12:20PM0.45m | 1:49AM0.25m | ||||||||
 | |  |  | | | | | | | | | |  | | | | | | | | |
 | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 19 | 21 | 16 | 18 | 16 | 11 | 12 | 13 | 11 | 19 | 17 | 13 | 15 | 15 | 13 | 17 | 17 | 14 |
Feels °C | 13 | 12 | 13 | 15 | 18 | 12 | 12 | 7 | 3 | 8 | 10 | 6 | 14 | 10 | 6 | 12 | 11 | 9 | 14 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | S 9 | S 10 | S 9 | S 12 | S 11 | S 10 | S 11 | S 10 | S 10 | S 10 | S 9 | S 8 | S 8 |
| kJ | 314 | 263 | 218 | 175 | 163 | 126 | 94 | 71 | 150 | 464 | 247 | 895 | 507 | 302 | 223 | 367 | 347 | 220 | 125 | 92 | 63 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | S 11 | S 10 | SSW 5 | S 9 | ENE 9 | ENE 8 | S 12 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | SE 14 | SE 16 |
| kJ | 55 | 31 | 17 | 17 | 20 | 8 | 9 | 7 | 45 | 28 | 169 | 14 | 10 | 6 | 6 | 6 | 6 | 2 | 2 | 8 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SSE 14 | SE 13 | S 13 | — | — | S 10 | SE 8 | SE 8 | E 7 | NE 8 | — | E 9 | E 9 | E 9 | E 8 | E 8 | E 11 | SE 17 | NE 8 | NE 7 |
| kJ | 7 | 21 | 7 | 3 | — | — | 8 | 3 | 2 | 1 | 18 | — | 7 | 2 | 2 | 1 | 1 | 2 | 12 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 3 | NE 3 | NNE 5 | — | — | W 2 | WSW 3 | SW 3 | WSW 4 | S 9 | — | — | WNW 3 | — | SW 3 | — | — | NNE 7 | — | — | — |
| kJ | 1 | 7 | 37 | — | — | 1 | 3 | 11 | 20 | 771 | — | — | 3 | — | 2 | — | — | 5 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 87 | 1 | 0 | 1 | 0 | 1 | 28 | 29 | 0 | 43 | 1 | 1 | 29 | 29 | 0 | 0 | 0 | 0 | 2 | 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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