Surf Forecasts:
Shark Island (Cronulla) surf forecast from 30 Aug 2026:
- Best quality surf: Wednesday 2 Sep, 1PM (local time) - 2ft (0.6m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Sunday 6 Sep, 10AM (local time) - 3.5ft (1.1m), 11s period, S swell with 298 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 1PM (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 1PM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.8m and 6s. 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 1.1m 11s and forecast to arrive on Sunday (Sep 06) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 4s period and expected on Saturday (Sep 05) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Wed 2nd Sep) | 2ft (0.6m) 10s |
| Best Surf | 1PM (Wed 2nd Sep) | 2ft (0.6m) 10s |
| Most Powerful | 10AM (Sun 6th Sep) | 3.5ft (1.1m) 11s |
Table - best surf conditions forecast for Shark Island (Cronulla) over the next 16 days.
The Lowdown
Alright, I’m lookin’ at the next 16 days for the Cronulla area, and honestly, it’s a pretty lean stretch. We’ve got a long, quiet gap to start, and then a few flashes of interest way down the line. Let’s break it down.
For the first week, from Monday the 31st of August all the way through to Saturday the 6th of September, the surf is just not happening. Those waves are small, weak, and the wind’s all over the place. We’re talking about knee-high slop, mostly cross-onshore or onshore, and the energy is barely registering – combined swell energy sits around 57 to 246 (weak to modest). The water’s sittin’ about average for this time of year, nothing wild. Honestly, it’s a total write-off for paddle surfing. If you’ve got a kite, maybe some of those breezy afternoons with stronger winds could be interesting, but for a surfboard? Nah.
Then we get a glimmer. Sunday the 6th of September morning is the first real standout. Shark Island (Cronulla) – this is the only spot we’ve got data for. Early Sunday morning, the wind goes glassy – dead calm, just a light westerly at 3 mph. That’s gold. The swell bumps up to 5 ft from the south, with a period of 10 seconds. Combined energy hits 377 (moderate, solid energy). Conditions are glassy and clean. The swell’s not huge, but for a reef break like Shark Island, this is a fun, rideable size. It’s a fairly exposed spot, and the optimum swell direction is SE, so that S swell is workin’ nicely. The break is rated for advanced surfers, and it’s fairly consistent. Crowds are possible here – it can get busy. But for that one morning window, this is the best on offer. The offshore wind direction is SW, so that westerly glass-off is perfect.
After that, the surf goes back to being ordinary. The rest of Sunday afternoon gets onshored, and Monday the 7th is choppy. Tuesday the 8th is clean but small – 3 ft, energy 262, surfable but nothing to write home about. Then Wednesday the 9th throws a big, raw swell at us – 10 ft from the south, period 10 seconds, combined energy a whopping 1928 – that’s strong to very strong energy. But the wind is cross-offshore from the SSE at 12 mph, and it’s rated as marginal. That’s big, lumpy, and probably only for the experts. The period’s short, so it’s gonna be a bit of a washing machine. Thursday the 10th and Friday the 11th are messy and weak again.
The second week keeps up the same theme. Saturday the 12th is small, then Sunday the 13th has clean but tiny waves – 3 ft, clean, but just not enough. Monday the 14th morning is glassy again but with only 2 ft – a flat glass-off. Then Tuesday the 15th morning brings a bit of a pulse: 8 ft from the south, period 8 seconds, energy 757 (moderate). It’s cross-on with a light northerly, so it’ll be a bit bumpy, but there’s size. Still, that’s a short period, so it’s gonna be fat and lumpy. Not a true standout.
So, if you’re lookin’ for the best wave, it’s that Sunday 6th September morning at Shark Island – glassy, clean, 5 ft south swell. That’s your moment. Everything else is a struggle or a wait. The gap at the start is nearly a week of nothing, and then it’s just a few scattered windows.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Sat morning, min 12°C on Sat night). Winds increasing (light winds from the W on Fri night, strong winds from the WNW by Sat morning). | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 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 8 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 11 | ENE 10 | S 10 | S 10 | S 9 | S 9 | S 11 | S 9 | NE 6 |
Wave Graph | |||||||||||||||||||||
113 | 101 | 102 | 154 | 143 | 100 | 77 | 75 | 50 | 54 | 54 | 33 | 141 | 63 | 53 | 44 | 27 | 27 | 298 | 120 | 161 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross | cross-off | off | cross-off | cross | on | cross | cross-off | cross-off | off | cross-on | cross-on | cross-on |
High Tide | 10:07AM1.41m | 10:15PM1.37m | 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 | ||||||||
Low Tide | 4:12PM0.26m | 4:27AM0.19m | 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 | ||||||||
6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | |
— | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 16 | 22 | 25 | 20 | 27 | 26 | 22 | 22 | 22 | 16 | 19 | 18 | 18 | 26 | 25 | 18 | 18 | 17 | 17 |
Feels °C | 15 | 13 | 14 | 18 | 22 | 17 | 23 | 23 | 19 | 16 | 16 | 10 | 15 | 13 | 15 | 19 | 18 | 15 | 13 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 11 | S 8 | NE 5 | S 10 | S 9 | S 9 | S 11 | S 9 | NE 6 |
113 | 101 | 102 | 154 | 143 | 100 | 77 | 75 | 50 | 54 | 54 | 33 | 141 | 35 | 18 | 44 | 27 | 27 | 298 | 120 | 68 | |
Swell 2 Height (m) Direction Period (s) | SSE 15 | SSE 16 | SSE 14 | ENE 9 | NE 4 | ENE 6 | NE 6 | ENE 10 | ENE 10 | NE 5 | ENE 10 | ENE 10 | ENE 10 | SSE 11 | S 10 | NE 5 | NE 5 | NE 6 | NE 6 | E 10 | S 7 |
74 | 50 | 64 | 15 | 16 | 22 | 11 | 33 | 19 | 10 | 19 | 19 | 19 | 13 | 53 | 7 | 7 | 9 | 5 | 8 | 26 | |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 9 | NE 4 | NE 4 | ENE 11 | ENE 10 | ENE 10 | NE 6 | SSE 13 | ENE 10 | NE 6 | NE 6 | NE 7 | S 18 | S 7 | E 9 | E 9 | E 11 | E 11 | S 19 | S 12 |
17 | 16 | 2 | 2 | 37 | 34 | 33 | 5 | 17 | 18 | 6 | 7 | 7 | 6 | 17 | 7 | 7 | 9 | 9 | 7 | 24 | |
Wind waves Height (m) Direction Period (s) | — | ENE 3 | NNE 4 | — | NE 5 | NW 3 | NW 3 | — | NW 2 | W 3 | SW 3 | SW 4 | — | ENE 10 | — | WNW 2 | WNW 4 | WSW 2 | — | ENE 3 | NE 6 |
— | 1 | 8 | — | 47 | 2 | 3 | — | 1 | 2 | 3 | 24 | — | 63 | — | 1 | 54 | 1 | — | 6 | 161 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 60 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 17 | 1 | 1 | 73 | 1 | 29 | 61 | 29 | 1 | 696 | 18 |
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.











