Surf Forecasts:
Shark Island (Cronulla) surf forecast from 31 Jul 2026:
- Best quality surf: Sunday 2 Aug, 4AM (local time) - 5ft (1.5m), 12s period, SSE swell with cross-offshore winds.
- Most powerful swell: Sunday 2 Aug, 4PM (local time) - 5ft (1.6m), 12s period, SE swell with 773 kJ wave energy.
- Next surfable swell (1★+): Friday 31 Jul, 10PM (local time) - 6ft (1.8m), 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 Friday (Jul 31) at 10PM. The primary swell is predicted to be 1.8m and 9s period with a secondary swell of 0.1m and 7s. 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 1.6m 12s and forecast to arrive on Sunday (Aug 02) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Tuesday (Aug 04) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Fri 31st Jul) | 6ft (1.8m) 9s |
| Best Surf | 4AM (Sun 2nd Aug) | 5ft (1.5m) 12s |
| Most Powerful | 4PM (Sun 2nd Aug) | 5ft (1.6m) 12s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break down what’s in the water for Shark Island (Cronulla).
We’re starting a bit slow. On Friday morning, July 31st, there’s a 7ft southerly swell, but the conditions are just okay. The wind is blowing cross-off from the SSW at 12 mph, so it’s clean, but the energy is moderate (1284). The water temp is 63°, which is normal for the season.
The real standout is Saturday morning, August 1st. You’ve got a 5ft SSE swell with a light offshore wind from the SW at 6 mph. It’s clean, with moderate energy (402). This is the best window in the first week. The break is a reef, so it handles that longer-period swell nicely.
Saturday afternoon goes glassy – no wind, from the NNE. The swell drops to 5ft (SSE), but that flat water will make it look like a mirror. Just remember, this spot can get crowded when it’s good.
Sunday the 2nd has a longer-period SSE swell (11 seconds) around 4ft in the morning, with a cross-shore NNW wind at 9 mph. The energy kicks up to 723, but it’s not perfect. By the afternoon, the wind turns onshore from the NE at 16 mph, so get in early.
Monday the 3rd and Tuesday the 4th are flat and poor. Wednesday the 5th offers a 5ft S swell (11 seconds) with a clean offshore wind from the WSW at 12 mph in the morning. That’s a solid option mid-week.
Now, for the big one. Look at Saturday, August 15th. The morning shows a massive 16ft SSE swell with an 11-second period. The combined energy is huge at 5657. That’s very strong. The wind is a gentle cross-shore from the NW at 9 mph. But 16ft is expert-only territory, especially on a reef. The afternoon goes bad with onshore wind. This one is a long-range forecast, so keep an eye on it but don’t lock in plans.
Between the 6th and the 14th, there are a few mornings with clean conditions and chest-to-head-high swell, but nothing that really stands out. There are several days with no good surf in a row.
Bottom line: Saturday morning, August 1st is your pick for clean, fun waves. For the big-wave crew, Saturday, August 15th could be epic, but it’s only for the experienced.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Sat morning. Very mild (max 16°C on Sun morning, min 11°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Mon morning, min 10°C on Mon night). Winds decreasing (fresh winds from the WSW on Tue afternoon, light winds from the SE by Wed afternoon). | ||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | |||||||||||||||
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) | S 10 | S 9 | S 10 | SSE 9 | SSE 9 | SSE 12 | SSE 11 | SE 12 | SE 11 | SE 11 | SE 11 | SSE 10 | SSE 10 | SSE 10 | S 7 | S 11 | S 10 | S 9 | S 9 | S 9 | SSE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 738 | 565 | 527 | 397 | 301 | 509 | 375 | 773 | 380 | 191 | 134 | 43 | 10 | 9 | 40 | 474 | 524 | 334 | 311 | 251 | 227 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | glassy | cross | cross | on | cross | cross | cross | cross-off | cross-off | off | cross-off | off | cross | cross-off | cross-off | cross | off |
High Tide | 9:23PM1.56m | 10:05AM1.20m | 9:59PM1.51m | 10:43AM1.24m | 10:36PM1.44m | 11:23AM1.28m | 11:18PM1.34m | 12:07PM1.32m | 00:06AM1.23m | 12:58PM1.35m | 1:06AM1.12m | 1:57PM1.39m | 2:20AM1.03m | ||||||||
Low Tide | 3:02PM0.35m | 4:02AM0.14m | 3:43PM0.36m | 4:33AM0.15m | 4:27PM0.37m | 5:06AM0.17m | 5:15PM0.40m | 5:42AM0.21m | 6:11PM0.42m | 6:24AM0.26m | 7:17PM0.43m | 7:13AM0.32m | 8:34PM0.42m | ||||||||
 | |  |  | |  | | | |  | | | | | | | | | | | | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — |
 | — | 5:14 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:16 | — | — | 5:17 | — |
mm | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 13 | 14 | 14 | 16 | 16 | 14 | 19 | 19 | 14 | 17 | 15 | 11 | 17 | 17 | 12 | 15 | 15 | 14 |
Feels °C | 8 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 15 | 13 | 10 | 11 | 7 | 5 | 13 | 14 | 7 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 9 | S 10 | SSE 9 | SSE 9 | SSE 12 | SSE 11 | SE 12 | SE 11 | SE 11 | SE 11 | SSE 10 | SSE 10 | SSW 6 | S 7 | S 11 | S 10 | S 9 | S 9 | S 9 | SSE 9 |
| kJ | 541 | 565 | 527 | 397 | 301 | 509 | 375 | 773 | 380 | 191 | 134 | 43 | 10 | 6 | 40 | 474 | 524 | 334 | 311 | 251 | 227 |
Swell 2 Height (m) Direction Period (s) | NE 7 | NE 6 | NE 7 | NE 7 | SSE 13 | SE 14 | SE 13 | S 21 | NE 5 | NE 5 | NE 5 | ESE 8 | ESE 7 | SSE 10 | S 11 | E 10 | E 10 | E 9 | ENE 12 | NE 7 | ENE 7 |
| kJ | 2 | 2 | 2 | 2 | 64 | 132 | 342 | 9 | 14 | 7 | 7 | 13 | 5 | 9 | 21 | 8 | 7 | 6 | 15 | 2 | 5 |
Swell 3 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 12 | NE 7 | NE 7 | E 17 | E 17 | NE 8 | E 16 | E 15 | ENE 5 | E 14 | E 7 | E 8 | E 8 | E 13 | NE 8 | E 8 | E 8 | E 16 |
| kJ | 3 | 3 | 3 | 3 | 2 | 2 | 6 | 6 | 3 | 5 | 5 | 2 | 4 | 4 | 5 | 4 | 3 | 3 | 1 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | S 10 | — | — | — | — | — | — | NE 8 | N 5 | NW 2 | WNW 3 | WSW 3 | WSW 3 | SW 3 | W 4 | — | — | — | — | — | — |
| kJ | 738 | — | — | — | — | — | — | 3 | 47 | 1 | 6 | 1 | 5 | 2 | 7 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 95 | 0 | 0 | 0 | 1 | 1 | 5 | 1 | 1 | 1 | 1 | 282 | 38 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
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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