Surf Forecasts:
Windang Island surf forecast from 7 Sep 2026:
- Best quality surf: Friday 11 Sep, 1AM (local time) - 8ft (2.5m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 10PM (local time) - 13ft (4.0m), 10s period, SSE swell with 2,754 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 10PM (local time) - 4.5ft (1.3m), 9s 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 Tuesday (Sep 08) at 10PM. The primary swell is predicted to be 1.3m and 9s period with a secondary swell of 0.9m and 7s. Another secondary swell of 0.3m and 2s 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 4.0m 10s and forecast to arrive on Wednesday (Sep 09) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Sep 09) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Tue 8th Sep) | 4.5ft (1.3m) 9s |
| Best Surf | 1AM (Fri 11th Sep) | 8ft (2.5m) 10s |
| Most Powerful | 10PM (Wed 9th Sep) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Windang Island over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s shaping up for Windang Island.
We’ve got a bit of a slow start, but there’s a solid pulse of energy coming through mid-week. The water temp is sitting around 64°, which is about average for this time of year, so no surprises there.
The first real chance to get wet comes on Tuesday morning, the 8th of September. Windang Island is seeing a 7ft swell from the SSE, pushed along by a cross-off shore breeze from the SSW at 9 mph. The wave energy is moderate (631), and the 8-second period means it’s a bit of a short-period wind swell, so expect some lumpy, less organised faces. The wind is clean though, so it’ll be rideable, but maybe not the standout session of the week.
Wednesday afternoon, the 9th, gets a bit wild. The swell jumps to 10ft from the SSE, but the wind is a fresh 19 mph cross-shore from the S. That’s a lot of energy (1011) but it’s going to be a messy, blown-out mess. That’s expert-only territory if you’re brave enough, and honestly, the setup looks more interesting for kite surfing than paddle surfing.
The real highlight, and the best on offer, is Thursday morning, the 10th of September. We’ve got a 8ft swell from the S with a 10-second period, and a clean cross-off breeze from the SSW at 16 mph. The wave energy is strong (1431), and that longer period means the waves will have some real shape and power. This is a solid, punchy groundswell that will work well on the reef and point setup here. The wind is clean, so expect some proper barrels for the experienced crew. Crowds are possible, so get in early.
Friday morning, the 11th, still has some decent 7ft swell from the SSE, but the wind is cross-shore, so it’s not as clean as Thursday. The energy is still moderate (704). It’s a good backup option.
After that, we hit a flat spell. From Saturday the 12th right through to the end of the forecast, the swell drops off significantly. We’re looking at a long gap of about a week and a half with nothing really worth paddling out for. There are a few tiny, clean mornings on the 14th, 16th, 18th, and 20th, but with swell heights under 3ft, it’s barely surfable. The glassy morning on Wednesday the 16th with a 3ft, 11-second period swell is as close as we get to a score, but it’s just too small to get excited about.
So, to wrap it up: Thursday morning, the 10th of September, is your window. Get out there for the best of the run.
Rusty.
Short Range ForecastMostly dry. Very mild (max 15°C on Tue morning, min 9°C on Wed night). Winds increasing (light winds from the ESE on Tue afternoon, fresh winds from the S by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Sun morning, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||
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) | SSE 8 | SSE 8 | S 8 | S 8 | SSE 8 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 9 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | S 9 | S 10 | S 12 | S 11 | S 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 629 | 460 | 173 | 84 | 984 | 1975 | 1303 | 1300 | 1447 | 698 | 528 | 322 | 308 | 218 | 122 | 113 | 85 | 94 | 132 | 83 | 52 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | off | cross | cross-on | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross |
High Tide | 5:56PM1.59m | 6:46AM1.18m | 6:46PM1.62m | 7:29AM1.27m | 7:33PM1.61m | 8:09AM1.34m | 8:16PM1.55m | 8:47AM1.40m | 8:58PM1.46m | 9:24AM1.43m | 9:39PM1.34m | 10:00AM1.43m | 10:19PM1.21m | ||||||||
Low Tide | 11:28AM0.35m | 00:42AM0.07m | 12:24PM0.28m | 1:24AM0.04m | 1:15PM0.22m | 2:02AM0.04m | 2:03PM0.18m | 2:38AM0.07m | 2:49PM0.17m | 3:11AM0.13m | 3:34PM0.19m | 3:43AM0.21m | 4:19PM0.24m | ||||||||
 | |  |  |  |  | | | | | | | | | | | | | | | | |
 | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — |
 | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 11 | 14 | 14 | 13 | 15 | 15 | 13 | 17 | 16 | 13 | 20 | 19 | 15 | 23 | 20 | 18 | 26 | 26 | 22 |
Feels °C | 12 | 13 | 8 | 9 | 6 | 5 | 8 | 9 | 10 | 15 | 15 | 13 | 15 | 14 | 13 | 18 | 16 | 16 | 24 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | E 11 | SSE 8 | S 8 | S 8 | ESE 13 | ESE 11 | ESE 10 | SSE 22 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 11 | SSE 10 | SSE 10 | SSE 9 | S 9 | S 10 | S 12 | S 11 | S 10 |
| kJ | 2 | 460 | 173 | 84 | 17 | 42 | 20 | 270 | 979 | 698 | 528 | 322 | 308 | 218 | 120 | 113 | 85 | 94 | 132 | 83 | 52 |
Swell 2 Height (m) Direction Period (s) | — | E 10 | SE 7 | SE 7 | S 16 | S 20 | SSE 23 | ESE 9 | S 22 | E 15 | E 14 | E 13 | SSE 18 | SSE 20 | NE 5 | NE 5 | ENE 13 | NE 6 | NE 6 | NE 6 | NE 5 |
| kJ | — | 2 | 69 | 53 | 5 | 32 | 103 | 17 | 9 | 4 | 16 | 14 | 67 | 133 | 10 | 6 | 17 | 15 | 19 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | E 10 | E 9 | E 16 | E 16 | E 16 | E 16 | E 15 | E 10 | ENE 14 | SE 17 | E 14 | ENE 14 | SSE 19 | SSE 16 | SSE 15 | E 13 | ENE 13 | ENE 13 | E 12 |
| kJ | — | — | 2 | 7 | 5 | 5 | 5 | 5 | 4 | 2 | 19 | 12 | 15 | 19 | 122 | 26 | 22 | 13 | 17 | 17 | 12 |
Wind waves Height (m) Direction Period (s) | SSE 8 | — | NW 2 | SSW 4 | SSE 8 | S 10 | S 10 | S 10 | S 10 | — | — | — | — | ENE 3 | NNW 2 | NNE 5 | NE 4 | — | — | ENE 3 | — |
| kJ | 629 | — | 1 | 12 | 984 | 1975 | 1303 | 1300 | 1447 | — | — | — | — | 10 | 1 | 15 | 16 | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 60 | 0 | 15 | 439 | 15 | 103 | 302 | 0 | 2 | 60 | 0 | 7 | 119 | 0 | 20 | 26 | 0 | 0 | 0 | 27 |
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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