
Surf Forecasts:
Shark Island (Cronulla) surf forecast from 10 Sep 2026:
- Best quality surf: Friday 11 Sep, 1AM (local time) - 7.5ft (2.3m), 10s period, S swell with offshore winds.
- Most powerful swell: Friday 11 Sep, 1AM (local time) - 7.5ft (2.3m), 10s period, S swell with 1,045 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 10PM (local time) - 7ft (2.1m), 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 Thursday (Sep 10) at 10PM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 0.2m and 9s. 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 2.3m 10s and forecast to arrive on Friday (Sep 11) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Tuesday (Sep 15) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Thu 10th Sep) | 7ft (2.1m) 10s |
| Best Surf | 1AM (Fri 11th Sep) | 7.5ft (2.3m) 10s |
| Most Powerful | 1AM (Fri 11th Sep) | 7.5ft (2.3m) 10s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at what’s comin’ down for Shark Island in Cronulla over the next couple of weeks. It’s a bit of a mixed bag, so let’s break it down.
The next week and a half is pretty quiet, but there are a couple of moments where it starts to look interesting. The water temp is sitting at 64°, pretty much spot on average for this time of year, so nothing unusual on that front.
We kick off with a bit of a pulse on Thursday the 10th in the morning. Swell is a solid 8 ft from the S with a period of 9 seconds, combined wave energy is moderate at 2014, but it’s a cross-off wind from the SSW at 16 mph, keeping things clean. This is advanced surf at a reef break, so it’s not for the faint-hearted. The swell is big enough that beginners should stay out of the water.
Friday the 11th morning sees the swell drop to 6 ft from the SSE, period still 10 seconds, energy down to 557, and a light cross-off breeze. It’s cleaner and more manageable, but still not a standout.
Now, Saturday the 12th morning is where it gets real interesting. We’ve got clean, glassy conditions with wind coming from the NNW at just 3 mph. The swell is 4 ft from the SSE, period 11 seconds, and energy is moderate at 457. That’s a solid groundswell for the reef, and with the glassy surface, it’ll be pure joy. This is the best on offer in the near term.
After that, we hit a long flat spell. From Saturday afternoon all the way through to Tuesday the 15th, the swell drops right off, with waves barely above knee-high and poor conditions. There’s a gap of a few days where there’s virtually nothing worth paddling out for.
Then Wednesday the 16th morning brings a new pulse: 6 ft from the S, 9-second period, energy hitting 499. The wind is cross-off from the SE at 9 mph, keeping it clean. It’s a bit more consistent but still not a classic.
The next potential highlight is way out on Saturday the 19th morning. The swell jumps to 10 ft from the S, period 10 seconds, and energy is strong at 1984. But the wind is cross-on from the NNW at just 6 mph, so the surface might be a little lumpy. That size is only for experts. It’s promising, but being over a week away, treat it as a maybe.
Sunday the 20th morning stays solid: 7 ft from the SSE, 11-second period, energy 883. Cross-shore wind from the NW at 9 mph, so not clean, but it’s still solid groundswell on the reef.
Later on, Friday the 25th afternoon sees a big spike: 15 ft from the S, 11-second period, and the energy is very strong at 5030. But with a 12 mph onshore wind from the NNE, it’s gonna be a washing machine. That’s kite-surf territory for sure.
So, the standout moment is Saturday the 12th morning – glassy, clean, solid groundswell, and manageable size. The third week looks promising but uncertain. Keep an eye on it.
Rusty
Short Range ForecastMostly dry. Very mild (max 18°C on Sat morning, min 12°C on Thu morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Tue afternoon. Warm (max 25°C on Mon morning, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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 9 | S 10 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 11 | S 10 | SSE 10 | S 9 | S 10 | S 10 | S 11 | S 11 | S 10 | NE 6 | E 13 | SSE 8 | S 9 | SSE 8 | S 11 |
Wave Graph | |||||||||||||||||||||
1039 | 809 | 1045 | 540 | 400 | 265 | 320 | 225 | 154 | 113 | 141 | 104 | 114 | 82 | 49 | 19 | 13 | 412 | 463 | 277 | 281 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross | cross-off | glassy | cross-on | cross-on | cross-on | on | cross | cross | on | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross |
High Tide | 7:37PM1.65m | 8:13AM1.38m | 8:20PM1.59m | 8:50AM1.44m | 9:01PM1.50m | 9:27AM1.47m | 9:42PM1.38m | 10:04AM1.47m | 10:22PM1.25m | 10:41AM1.44m | 11:04PM1.12m | 11:21AM1.39m | 11:51PM1.01m | ||||||||
Low Tide | 1:19PM0.22m | 2:06AM0.04m | 2:07PM0.18m | 2:41AM0.07m | 2:53PM0.17m | 3:15AM0.13m | 3:37PM0.19m | 3:47AM0.21m | 4:22PM0.24m | 4:19AM0.29m | 5:09PM0.31m | 4:51AM0.38m | 6:00PM0.38m | ||||||||
6:03 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | |
— | 5:42 | — | — | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — |
Temp °C | 14 | 15 | 14 | 16 | 15 | 15 | 18 | 17 | 16 | 19 | 18 | 17 | 25 | 25 | 23 | 17 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 8 | 10 | 11 | 14 | 13 | 15 | 15 | 15 | 15 | 15 | 13 | 16 | 20 | 20 | 20 | 15 | 10 | 11 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | S 9 | SSE 22 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 11 | S 10 | SSE 10 | S 9 | S 10 | NE 6 | S 11 | S 11 | NE 6 | NE 6 | NE 6 | NE 6 | S 9 | SSE 8 | S 11 |
854 | 157 | 767 | 540 | 400 | 265 | 320 | 225 | 154 | 113 | 141 | 47 | 114 | 82 | 33 | 19 | 5 | 1 | 463 | 277 | 281 | |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 9 | S 22 | E 15 | E 14 | SSE 19 | SSE 19 | SSE 19 | ENE 4 | ENE 4 | ENE 13 | S 10 | NE 6 | ENE 13 | S 10 | E 12 | E 13 | S 18 | E 14 | E 12 | ENE 13 |
19 | 9 | 9 | 17 | 4 | 34 | 122 | 71 | 6 | 1 | 17 | 104 | 15 | 16 | 49 | 3 | 13 | 24 | 16 | 3 | 17 | |
Swell 3 Height (m) Direction Period (s) | SSE 23 | E 9 | E 15 | — | E 10 | E 13 | E 14 | ENE 14 | SSE 20 | SSE 17 | E 9 | ENE 13 | ENE 13 | — | E 12 | E 16 | — | E 14 | ENE 14 | E 15 | NE 7 |
102 | 2 | 4 | — | 2 | 14 | 15 | 19 | 128 | 27 | 2 | 17 | 17 | — | 12 | 5 | — | 15 | 20 | 4 | 2 | |
Wind waves Height (m) Direction Period (s) | S 9 | S 10 | S 10 | — | — | — | — | ENE 3 | NNE 4 | NE 4 | ENE 4 | — | NNW 2 | NE 4 | — | S 4 | SSE 6 | SSE 8 | — | — | — |
1039 | 809 | 1045 | — | — | — | — | 1 | 9 | 5 | 21 | — | 1 | 22 | — | 12 | 95 | 412 | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 96 | 0 | 0 | 43 | 0 | 0 | 60 | 1 | 1 | 147 | 1 | 1 | 5 | 1 | 73 | 153 | 73 | 0 | 5 | 1 |
Best forecast wave conditions in Sydney South Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
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.










