Surf Forecasts:
Windang Island surf forecast from 16 Jul 2026:
- Best quality surf: Thursday 23 Jul, 10PM (local time) - 8ft (2.5m), 9s period, S swell with offshore winds.
- Most powerful swell: Friday 24 Jul, 1AM (local time) - 8ft (2.5m), 9s period, S swell with 1,215 kJ wave energy.
- Next surfable swell (1★+): Friday 17 Jul, 7PM (local time) - 2ft (0.6m), 7s period with E 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 7s period with a secondary swell of 0.5m and 8s. 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 2.5m 9s and forecast to arrive on Friday (Jul 24) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 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) 7s |
| Best Surf | 10PM (Thu 23rd Jul) | 8ft (2.5m) 9s |
| Most Powerful | 1AM (Fri 24th Jul) | 8ft (2.5m) 9s |
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 Windang Island has in store for us over the next couple of weeks.
Right off the bat, we’re looking at a pretty slow start. Friday and Saturday are a write-off – small, weak, and messy. Water temps are sitting at 65°, which is a touch warmer than usual for this time of year, so that’s something nice to have if you’re just floating around.
The first real chance of anything decent comes Sunday morning the 19th. We’ve got a 6 ft ENE swell pushing in with an 11-second period, and the combined energy is up there at 1000 – that’s proper strong. Winds are light cross-shore, so it’s not perfect, but it’s the most size we’ll see for a while. That said, it’s a bit of a beast at 6 ft, maybe pushing it for the less experienced. The ENE direction is a bit off the optimum for this spot, but when there’s that much energy in the water, you just surf what you get.
The standout, and I mean the real standout, is Monday morning the 20th. Clear skies, light NNW cross-offshore wind, and a clean 5 ft ENE swell with a 10-second period. The energy is still strong at 595. This is the best window of the whole outlook. The wind is going to keep it clean, and the swell has enough push to make for some fun waves. Get on it early because the wind swings around to a moderate cross-on in the afternoon and ruins the party.
After that, Tuesday the 21st is a gem in its own right – glassy conditions both morning and afternoon with a 4 ft ENE swell. The energy is a bit lower at 374, but glassy is glassy, and that’s a rare treat. Surfable all day.
Things get pretty ordinary again from Wednesday the 22nd through the end of the month. The swell drops right off, and we’re stuck with waist-high or smaller stuff. There’s a brief flicker on Thursday the 24th with a 5 ft S swell, but the wind is onshore in the afternoon, so it’s marginal.
The very end of the run, into August 1st, shows a bit of a pulse. Saturday morning the 1st has a 3 ft SSE swell with a 12-second period and a gentle offshore wind. Clean conditions, but the size is just not there. It’s a tease, really.
Overall, the best surf is Monday morning the 20th, with Tuesday morning the 21st as the backup. Everything else is a gamble or a skunk.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 16°C on Sat morning, min 11°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Wed morning, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||
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 5 | S 5 | S 10 | S 10 | E 7 | E 8 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 80 | 42 | 49 | 46 | 59 | 161 | 839 | 705 | 510 | 469 | 404 | 338 | 331 | 286 | 218 | 168 | 226 | 130 | 106 | 73 | 1215 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross-off | cross-off | cross-on | cross-off | glassy | glassy | cross-off | glassy | cross-on | cross-off | off | off | cross-off |
High Tide | 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 | 3:03AM0.92m | 3:41PM1.29m | ||||||||
Low Tide | 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 | 9:29PM0.49m | 8:46AM0.46m | 10:38PM0.46m | ||||||||
 |  |  | |  |  | | |  |  | | | | | | | | | | | | |
 | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:06 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 16 | 16 | 14 | 15 | 15 | 13 | 18 | 18 | 14 | 17 | 15 | 15 | 21 | 20 | 17 | 20 | 18 | 14 |
Feels °C | 11 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 12 | 15 | 14 | 12 | 15 | 14 | 13 | 18 | 18 | 15 | 14 | 13 | 9 |
Swell 1 Height (m) Direction Period (s) | E 5 | E 5 | E 7 | E 7 | E 7 | E 8 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 9 | 14 | 38 | 43 | 59 | 161 | 839 | 705 | 510 | 469 | 404 | 338 | 331 | 286 | 218 | 168 | 133 | 130 | 106 | 73 | 47 |
Swell 2 Height (m) Direction Period (s) | E 8 | S 8 | S 10 | S 10 | S 9 | S 8 | S 17 | S 16 | S 12 | S 12 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | — | — |
| kJ | 5 | 21 | 49 | 46 | 27 | 22 | 149 | 126 | 110 | 103 | 94 | 57 | 35 | 31 | 31 | 17 | 17 | 17 | 8 | — | — |
Swell 3 Height (m) Direction Period (s) | S 15 | ENE 8 | S 21 | SSE 21 | SSE 20 | SSE 18 | SE 17 | SE 16 | SE 16 | SSE 15 | SSE 15 | SE 14 | SE 14 | SE 14 | SE 13 | SE 13 | SE 12 | S 13 | S 12 | — | — |
| kJ | 4 | 11 | 9 | 42 | 38 | 64 | 12 | 11 | 10 | 23 | 21 | 8 | 8 | 8 | 7 | 6 | 6 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 5 | SSE 4 | S 4 | SSE 3 | — | — | — | — | — | NE 3 | NNW 2 | NW 3 | — | — | — | ENE 9 | — | W 3 | S 3 | S 9 |
| kJ | 80 | 42 | 7 | 4 | 4 | — | — | — | — | — | 2 | 1 | 1 | — | — | — | 226 | — | 1 | 8 | 1215 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 84 | 2 | 0 | 0 | 14 | 0 | 14 | 14 | 0 | 0 | 45 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 |
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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