Surf Forecasts:
Shark Island (Cronulla) surf forecast from 1 Sep 2026:
- Best quality surf: Sunday 6 Sep, 7AM (local time) - 4ft (1.2m), 12s period, S swell with offshore winds.
- Most powerful swell: Monday 7 Sep, 10PM (local time) - 7ft (2.1m), 7s period, NE swell with 416 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 4PM (local time) - 2ft (0.6m), 10s 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 Wednesday (Sep 02) at 4PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.4m and 10s. 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 2.1m 7s and forecast to arrive on Monday (Sep 07) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Sep 05) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Wed 2nd Sep) | 2ft (0.6m) 10s |
| Best Surf | 7AM (Sun 6th Sep) | 4ft (1.2m) 12s |
| Most Powerful | 10PM (Mon 7th Sep) | 7ft (2.1m) 7s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
The Lowdown
G'day, Rusty here. Look, I'm not gonna lie to you—the next week and a half is a bit of a struggle for Shark Island (Cronulla). We've got a long stretch of small, messy, or just plain poor surf from Tuesday the 1st right through to Sunday the 6th. The wind is mostly cross or onshore, and the swell is tiny, often under 3 ft, with weak energy readings. It's a tough time to be a surfer around here. The water temp is sitting at 63°, which is pretty normal for this time of year, so at least the wetsuit call is easy.
Then, just when you're about to give up, things turn around. We get a bit of a teaser on Sunday the 6th morning—glassy conditions with a 4 ft South swell, 11-second period, and moderate energy. That's a clean, nice little session, but it doesn't last. The afternoon goes onshore and choppy again.
The real standout, the one you've gotta circle on your calendar, is Friday the 11th of September. The morning is an absolute ripper for the experts. We're looking at a massive 16 ft South swell, 12-second period, and the energy reading is through the roof. That's serious power. The wind is light from the SSW, keeping it clean. This is a big, dangerous swell—only for advanced surfers who know what they're doing. The optimum swell direction for this reef is SE, so this South swell is a bit off-angle, but with that much energy, it'll still be pumping. The afternoon drops off but stays clean with a 12 ft SSE swell.
After that, things settle down into a nice, consistent run of cleaner, smaller waves through the second week. Saturday the 12th has a clean 6 ft SSE swell in the morning, Sunday the 13th offers a clean 4 ft SE swell, and Monday the 14th morning is looking glassy with a 4 ft ESE swell and moderate energy. That Monday morning is a beauty for a solid fun session. The crowds can be a thing at times here, so just keep that in mind.
So, the big call: if you're an expert, Friday the 11th morning is the absolute pinnacle. For everyone else, target the Sunday the 6th morning, or the Saturday 12th, Sunday 13th, and Monday 14th mornings for cleaner, more manageable waves. The rest of the period is a write-off, so don't bother.
Rusty.
Short Range ForecastMostly dry. Warm (max 25°C on Wed morning, min 12°C on Thu night). Winds increasing (light winds from the WNW on Wed afternoon, fresh winds from the W by Thu afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Sat morning, min 14°C on Sat night). Winds decreasing (strong winds from the WNW on Sat afternoon, calm by Sun morning). | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 10 | S 8 | S 10 | S 10 | S 10 | S 9 | S 11 | S 9 | S 12 | S 10 | S 10 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 151 | 143 | 100 | 77 | 75 | 50 | 52 | 52 | 33 | 159 | 40 | 33 | 48 | 29 | 15 | 394 | 186 | 137 | 186 | 122 | 164 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off | off | off | cross | on | cross | cross | cross-off | off | glassy | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 10:47AM1.44m | 11:01PM1.26m | 11:33AM1.44m | 11:54PM1.14m | 12:27PM1.43m | 1:01AM1.04m | 1:31PM1.43m | 2:23AM0.97m | 2:45PM1.44m | 3:51AM0.97m | 3:59PM1.49m | 5:04AM1.03m | 5:04PM1.56m | ||||||||
Low Tide | 5:02PM0.29m | 5:05AM0.26m | 6:00PM0.32m | 5:50AM0.33m | 7:08PM0.35m | 6:45AM0.41m | 8:29PM0.35m | 7:55AM0.47m | 9:51PM0.31m | 9:14AM0.47m | 11:01PM0.23m | 10:29AM0.43m | 11:58PM0.15m | ||||||||
 | |  |  | | | | |  | | | | | | | | | | | | | |
 | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 24 | 19 | 25 | 25 | 20 | 23 | 22 | 16 | 19 | 18 | 17 | 26 | 25 | 19 | 17 | 16 | 16 | 19 | 19 | 18 |
Feels °C | 18 | 20 | 15 | 22 | 23 | 16 | 19 | 15 | 10 | 16 | 14 | 15 | 19 | 16 | 15 | 14 | 12 | 13 | 15 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 10 | S 8 | NE 5 | S 10 | S 10 | S 9 | S 11 | S 9 | SSE 8 | S 10 | S 10 | ENE 7 |
| kJ | 151 | 143 | 100 | 77 | 75 | 50 | 52 | 52 | 33 | 159 | 40 | 12 | 48 | 29 | 15 | 394 | 186 | 87 | 186 | 122 | 164 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | NE 4 | ENE 6 | NE 6 | ENE 10 | ENE 10 | NE 5 | NE 6 | ENE 10 | ENE 10 | ENE 10 | S 7 | NE 5 | NE 6 | NE 6 | NE 6 | E 10 | S 12 | ENE 6 | E 10 | S 9 |
| kJ | 15 | 9 | 22 | 11 | 33 | 19 | 10 | 5 | 18 | 19 | 19 | 26 | 11 | 8 | 9 | 5 | 8 | 137 | 27 | 7 | 113 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 10 | ENE 10 | NE 6 | SSE 13 | ENE 10 | ENE 10 | NE 7 | NE 7 | SSE 12 | S 10 | E 9 | E 9 | E 9 | SSW 4 | E 10 | ENE 5 | E 10 | — | S 9 |
| kJ | 12 | 37 | 34 | 33 | 5 | 17 | 18 | 19 | 7 | 7 | 27 | 33 | 7 | 7 | 6 | 1 | 8 | 17 | 8 | — | 142 |
Wind waves Height (m) Direction Period (s) | — | NE 4 | NW 3 | NW 2 | — | NNW 2 | NW 3 | SW 3 | SW 4 | — | NE 3 | — | NNW 3 | WNW 4 | — | — | ENE 6 | ENE 5 | NE 6 | NE 6 | — |
| kJ | — | 37 | 1 | 2 | — | 1 | 5 | 2 | 16 | — | 4 | — | 1 | 36 | — | — | 3 | 39 | 60 | 69 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 38 | 16 | 1 | 15 | 1 | 1 | 76 | 25 | 0 | 132 | 1 | 2 | 5 | 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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