Surf Forecasts:
Windang Island surf forecast from 30 Aug 2026:
- Best quality surf: Sunday 6 Sep, 7AM (local time) - 3.5ft (1.1m), 11s period, S swell with offshore winds.
- Most powerful swell: Sunday 6 Sep, 7AM (local time) - 3.5ft (1.1m), 11s period, S swell with 300 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 10AM (local time) - 3ft (0.9m), 8s 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 Monday (Aug 31) at 10AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.3m and 15s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Windang Island in the next 16 days are 1.1m 11s and forecast to arrive on Sunday (Sep 06) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Saturday (Sep 05) at 1PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Mon 31st Aug) | 3ft (0.9m) 8s |
| Best Surf | 7AM (Sun 6th Sep) | 3.5ft (1.1m) 11s |
| Most Powerful | 7AM (Sun 6th Sep) | 3.5ft (1.1m) 11s |
Table - best surf conditions forecast for Windang Island over the next 16 days.
The Lowdown
Alright mate, Rusty here. Let’s have a proper look at what’s coming up for Windang Island over the next couple of weeks.
Straight up, it’s a pretty quiet start. We’re looking at small, ordinary surf for the first several days, so don’t get too excited too early. The water temp is sitting about average for this time of year, nothing weird there.
The standout of the whole forecast is definitely Wednesday the 9th of September. That morning we’ve got a solid 10ft south swell rolling in, with a period of 10 seconds and a huge combined energy reading (3170). That’s proper grunt. Winds are light and cross-shore, so it’ll be a bit lumpy but still very surfable. This is advanced territory though – at that size, it’s only for the experienced crew.
Before that, Tuesday the 8th of September morning is worth a mention. It’s small, only 3ft from the SSE, but the wind is glassy, clean as a whistle, and the energy is moderate (239). A nice little session if you’re after a cruisy paddle with no crowds likely.
The rest of the first week is mostly small, weak, and often choppy. There’s a few clean windows with offshore winds on Wednesday the 3rd and Thursday the 4th, but the swell is tiny – 2ft to 2ft – so not much to work with.
After the big Wednesday swell, it drops back but stays messy. Thursday the 10th and Friday the 11th have some lumpy, onshore conditions with short period swell. Not great.
Then there’s a long gap of pretty poor conditions right through to the end of the second week. The last mention is Tuesday the 15th of September morning with a 8ft south swell (971 energy) and light cross-on wind. That’s another big one – expert only, and not the cleanest.
So, your best bet: Wednesday the 9th of September morning for the serious surfers. If you want something smaller and cleaner, Tuesday the 8th of September morning is your go.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 14°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 23°C on Sat morning, min 11°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the WNW by Sat afternoon). | ||||||||||||||||||||
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 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 10 | SSE 10 | S 10 | S 8 | S 10 | S 9 | S 9 | S 9 | S 10 | S 8 | NE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 113 | 106 | 101 | 149 | 135 | 98 | 77 | 73 | 48 | 57 | 52 | 32 | 73 | 30 | 74 | 43 | 28 | 15 | 259 | 82 | 151 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-off | cross | cross | cross-off | cross-off | off | cross-off | off | off | cross-off | glassy | cross-on | cross-off | off | off | off | glassy | cross-on | cross |
High Tide | 10:03AM1.37m | 10:12PM1.33m | 10:44AM1.40m | 10:58PM1.23m | 11:29AM1.41m | 11:52PM1.11m | 12:23PM1.40m | 00:58AM1.01m | 1:27PM1.40m | 2:21AM0.95m | 2:40PM1.41m | 3:47AM0.95m | 3:54PM1.46m | ||||||||
Low Tide | 4:09PM0.26m | 4:24AM0.19m | 4:59PM0.28m | 5:02AM0.26m | 5:57PM0.31m | 5:47AM0.33m | 7:06PM0.34m | 6:42AM0.40m | 8:26PM0.34m | 7:51AM0.46m | 9:47PM0.29m | 9:09AM0.47m | 10:57PM0.22m | ||||||||
 | |  | | |  | | | | | | | |  | | | | | | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — |
 | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 17 | 15 | 25 | 24 | 19 | 26 | 26 | 19 | 21 | 21 | 17 | 22 | 20 | 17 | 23 | 21 | 17 | 19 | 18 | 16 |
Feels °C | 16 | 14 | 13 | 21 | 22 | 16 | 23 | 23 | 16 | 15 | 16 | 12 | 19 | 17 | 15 | 16 | 13 | 13 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 9 | S 9 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 10 | SSE 10 | S 10 | S 8 | S 10 | S 9 | S 9 | S 9 | S 10 | S 8 | NE 6 |
| kJ | 113 | 106 | 101 | 149 | 135 | 98 | 77 | 73 | 48 | 57 | 52 | 32 | 73 | 30 | 74 | 43 | 28 | 15 | 259 | 82 | 46 |
Swell 2 Height (m) Direction Period (s) | SSE 15 | ENE 9 | NE 4 | ENE 9 | NE 5 | NE 6 | NE 6 | NE 6 | ENE 10 | ENE 10 | NE 6 | ENE 10 | ENE 10 | ENE 10 | NE 6 | NE 5 | NE 6 | NE 6 | NE 6 | S 12 | S 7 |
| kJ | 43 | 16 | 2 | 15 | 18 | 15 | 13 | 12 | 19 | 19 | 6 | 19 | 9 | 9 | 15 | 9 | 8 | 5 | 5 | 11 | 24 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | SSE 16 | ENE 9 | E 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | SSE 12 | NE 6 | ENE 10 | NE 7 | NE 7 | SSE 12 | ENE 10 | E 9 | E 9 | E 11 | E 11 | E 10 | SSE 12 |
| kJ | 17 | 50 | 16 | 10 | 22 | 20 | 19 | 20 | 29 | 5 | 19 | 7 | 7 | 14 | 9 | 7 | 7 | 9 | 9 | 9 | 44 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 4 | NE 4 | NE 5 | NNW 3 | WNW 2 | — | NNW 2 | WNW 2 | WSW 3 | W 4 | WSW 2 | NE 3 | NNE 6 | NNW 3 | NW 4 | WSW 4 | — | ENE 3 | NE 6 |
| kJ | — | — | 8 | 2 | 67 | 2 | 1 | — | 1 | 1 | 3 | 9 | 1 | 4 | 47 | 2 | 17 | 2 | — | 6 | 151 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 27 | 0 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 14 | 0 | 9 | 120 | 13 | 0 | 638 | 20 |
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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