Surf Forecasts:
Windang Island surf forecast from 15 Jul 2026:
- Best quality surf: Sunday 19 Jul, 10AM (local time) - 5ft (1.6m), 10s period, ENE swell with cross-offshore winds.
- Most powerful swell: Sunday 19 Jul, 1PM (local time) - 5.5ft (1.7m), 11s period, ENE swell with 619 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 7PM (local time) - 2ft (0.6m), 11s period with S swell.
Best Forecast Surf Conditions for Windang Island this week:
The surf forecast for Windang Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 17) at 7PM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.7m and 6s. Another secondary swell of 0.4m and 8s is also forecast. Another secondary swell of 0.7m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Windang Island in the next 16 days are 1.7m 11s and forecast to arrive on Sunday (Jul 19) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Tuesday (Jul 21) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 17th Jul) | 2ft (0.6m) 11s |
| Best Surf | 10AM (Sun 19th Jul) | 5ft (1.6m) 10s |
| Most Powerful | 1PM (Sun 19th Jul) | 5.5ft (1.7m) 11s |
Table - best surf conditions forecast for Windang Island over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s look at what’s happening at Windang Island.
The next couple of weeks are a bit of a mixed bag. The first few days are a dead loss – messy wind and junky waves, so just leave the board in the car. Things turn around big time on Sunday the 19th, with a nice pulse of groundswell setting up the best surf of the run. After that, it’s a slow fade into smaller, weaker stuff, though there are a few clean windows.
The standout window is Sunday the 19th through Tuesday the 21st. Sunday morning brings a clean 5ft swell from the ENE, with a 10-second period. That’s proper groundswell with moderate energy (673). The wind is a light cross-off from the SSW, keeping it clean, and by the afternoon it goes glassy – perfect. Monday morning holds at 5ft, still clean with a cross-off from the NNW. Tuesday morning drops to 4ft, but with glassy calm conditions, it’ll be a fun session for anyone who can handle that 10-second period.
Wednesday the 22nd morning is still a solid backup. Swell is 4ft from the ENE, and the cross-off wind from the SSW keeps the surface smooth (250). Not a standout, but a good option.
After that, there’s a long dry spell. From the 25th through the end of the period, the surf gets poor. Waves drop to 2ft or less, and while there are some offshore or glassy moments, there’s just not enough power to paddle into. The 28th has a spike in period up to 17 seconds from the SSE, but it’s tiny (0.7ft) and choppy – just a tease.
Windang Island is a reef and point setup, so that long-period ENE groundswell on Sunday and Monday is right in its wheelhouse. The swell direction is spot on. Crowds are listed as ‘sometimes’, so expect a few locals, but on a glassy Sunday with 5ft clean waves, it’ll be a popular spot.
Water temp is about average for the time of year.
Bottom line: Sunday the 19th and Monday the 20th are your best bets. After that, it’s time to find something else to do.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Very mild (max 16°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 17°C on Tue morning, min 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wed 22 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 7 | S 8 | SSE 7 | SSE 7 | S 6 | S 5 | S 10 | E 7 | E 7 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 220 | 333 | 365 | 212 | 104 | 58 | 51 | 68 | 107 | 265 | 500 | 530 | 424 | 432 | 380 | 331 | 263 | 269 | 274 | 227 | 173 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross-off | cross-off | glassy | off | cross-off | cross-on | cross-off | glassy | cross-on | off | cross-off | cross |
High Tide | 9:48AM1.18m | 9:44PM1.73m | 10:37AM1.20m | 10:32PM1.62m | 11:25AM1.22m | 11:20PM1.47m | 12:13PM1.24m | 00:08AM1.30m | 1:02PM1.25m | 00:59AM1.14m | 1:53PM1.26m | 1:56AM1.01m | 2:47PM1.27m | ||||||||
Low Tide | 3:45AM-0.06m | 3:18PM0.25m | 4:31AM-0.02m | 4:11PM0.29m | 5:14AM0.05m | 5:06PM0.34m | 5:55AM0.13m | 6:04PM0.40m | 6:35AM0.23m | 7:07PM0.46m | 7:16AM0.32m | 8:16PM0.49m | 7:58AM0.40m | ||||||||
 |  |  |  |  | |  |  | | | | | | | | | | | | | | |
 | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — |
 | — | — | 5:04 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:06 | — | — | 5:07 | — | — | 5:07 |
mm | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 16 | 15 | 14 | 14 | 15 | 13 | 15 | 14 | 11 | 15 | 14 | 12 | 16 | 16 | 12 | 17 | 16 | 13 | 16 | 15 |
Feels °C | 9 | 10 | 10 | 11 | 11 | 12 | 10 | 12 | 12 | 9 | 13 | 13 | 11 | 13 | 13 | 9 | 15 | 14 | 10 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | E 11 | S 18 | S 18 | SSE 19 | E 5 | E 6 | E 7 | E 7 | E 7 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 2 | 25 | 25 | 34 | 12 | 15 | 51 | 68 | 107 | 265 | 500 | 530 | 424 | 432 | 380 | 331 | 263 | 269 | 274 | 227 | 173 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | S 13 | S 12 | E 8 | S 8 | S 10 | S 10 | S 9 | S 8 | SSE 17 | S 16 | S 12 | S 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 9 |
| kJ | 2 | 2 | 3 | 24 | 5 | 23 | 49 | 46 | 27 | 21 | 57 | 127 | 76 | 103 | 94 | 57 | 49 | 31 | 30 | 17 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | E 11 | — | S 15 | ENE 8 | S 21 | SE 21 | S 19 | SSE 18 | SSW 17 | SE 16 | SE 16 | SSE 15 | SSE 15 | SE 14 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 |
| kJ | — | — | 2 | — | 4 | 11 | 9 | 17 | 7 | 31 | 96 | 11 | 10 | 23 | 21 | 8 | 7 | 7 | 7 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | SSE 7 | S 8 | SSE 7 | SSE 7 | S 6 | S 5 | S 5 | S 4 | — | — | SSW 8 | — | — | — | NE 3 | N 3 | N 3 | NE 3 | WNW 3 | SW 3 | SSW 3 |
| kJ | 220 | 333 | 365 | 212 | 104 | 58 | 11 | 7 | — | — | 20 | — | — | — | 2 | 5 | 3 | 2 | 1 | 3 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 61 | 190 | 13 | 84 | 2 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 20 | 0 | 0 | 14 |
Best forecast wave conditions in Illawarra | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the Windang Island Surf forecast
The above surf forecast table for Windang Island provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Windang Island can be found by selecting the local surf guide option on the grey menu. Our Windang Island 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 (Windang Island) 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 Windang Island 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.
Windang Island is 7 km (4 miles) from the city of Port Kembla. If you plan a holiday in Illawarra, look for hotels and other accommodation in Port Kembla. Port Kembla has rooms for a wide range of budgets as well as car hire and transport links.
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