Windang Island Surf Break

Lat Long: 34.55° S 150.88° E

Windang Island Surf Forecast and Surf Report

Issued: 9 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Windang Island sea temperature is
17.8°C
0.5° 

Windang Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Windang Island surf forecast from 10 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 7PM (local time) - 8ft (2.4m), 10s period, S swell with cross-offshore winds.
  • Most powerful swell: Thursday 10 Sep, 7PM (local time) - 8ft (2.4m), 10s period, S swell with 1,070 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 7PM (local time) - 8ft (2.4m), 10s 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 Thursday (Sep 10) at 7PM. The primary swell is predicted to be 2.4m and 10s period with a secondary swell of 2.1m and 10s. Another secondary swell of 0.3m and 21s 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 2.4m 10s and forecast to arrive on Thursday (Sep 10) at 7PM. 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 2s period and expected on Tuesday (Sep 15) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Thu 10th Sep)8ft (2.4m) 10s
Best Surf 7PM (Thu 10th Sep)8ft (2.4m) 10s
Most Powerful 7PM (Thu 10th Sep)8ft (2.4m) 10s

Table - best surf conditions forecast for Windang Island over the next 16 days.


The Lowdown

Alright, Rusty here, let’s get straight into it. We’ve got a 16-day window for Windang Island, and honestly, it’s a bit of a mixed bag. There’s a lot of chop and cross-shore wind to sift through, but there are a couple of moments that’ll get your heart pumping.

The first proper chance to paddle out comes Thursday morning, the 10th of September. A solid 8ft S’ly groundswell, with a period of 9 seconds, is pushing in with a lot of grunt. The combined energy is a massive 2119, so strong. But it’s a cross-off wind from the SSW at 12 mph, which will keep it reasonably clean. The water temp is 64°F, which is pretty average for this time of year – nothing to write home about. This is advanced stuff, though. It’s a reef and point set-up, so expect some power. With that size, it’s not for the beginners.

We then hit a flat spell. From Thursday afternoon, conditions get messy. The wind swings onshore, and the swell drops. It’s a long stretch of poor or marginal surf, with light, choppy wind and onshore conditions. Nothing worth getting excited about, and the combined energy drops right down to the low hundreds. This quiet period lasts for several days, straight through to Tuesday the 15th.

There’s a bit of a spike on Tuesday afternoon, the 15th, as the swell jumps back to 8ft from the S, with a 9-second period. The combined energy is 1548, so moderate-to-strong. But the wind is a cross-onshore from the SSE at 12 mph, making it choppy and rough. It’s a marginal call, and the conditions won’t be pristine.

The next real standout is Saturday morning, the 19th of September. Swell is back up to 8ft from the SSE, with a long 12-second period. That’s proper groundswell. The combined energy is 1705, strong. The wind is light and onshore from the E at 6 mph, which is a bit of a shame, but it’s light enough that it might not ruin it completely. For a point and reef, that long period could be a dream, making for some lined-up sets. Keep an eye on that one.

Then, the run to the end of the window. Wednesday morning, the 23rd of September, looks promising. A 6ft S’ly swell, 9-second period, and a cross-off wind from the S at 15 mph. That’s clean, with a combined energy of 713. But the real one to watch is Wednesday afternoon. Swell jumps to 12ft from the S, 10-second period, with a cross-off wind from the S at 12 mph. That’s a big one, combined energy of 2277. That’s expert-only territory. Too big for most, but if you’re a seasoned charger on that reef, it’s going to be a serious session.

Thursday the 24th and Friday the 25th keep the swell around 7ft, but the wind is cross or cross-on, so it’s not as clean. The energy is still there, but the conditions will be lumpy.

So, the standout? If I had to pick one, it’s Wednesday afternoon, the 23rd of September. That 12ft S’ly swell with a clean cross-off wind is the best on offer, even if it’s a long way off. The Saturday morning, the 19th, is a close second, with that long 12-second period and strong energy, just a bit held back by the light onshore wind. The rest of the window is a lot of waiting.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Sat morning, min 12°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Tue morning. Warm (max 26°C on Mon morning, min 13°C on Tue night). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
4
1
1
2
1
0
1
0
0
2
1
0
0
0
0
0
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
S
10
2.1
SSE
9
2.2
S
10
1.6
SSE
9
1.5
SSE
9
1.1
SSE
10
1
SSE
11
0.9
SSE
10
0.8
SSE
9
0.8
SSE
11
0.8
SSE
10
0.7
S
11
0.7
S
11
0.6
S
10
0.4
SSE
10
0.8
SSE
4
1.6
SSE
7
1.6
SSE
8
1.6
S
9
1.2
SSE
8
1
S
10
Wave Graph
Metric surfscale
Energy kJ
1129
705
951
400
344
230
254
170
118
150
139
112
112
77
31
26
232
333
393
178
216
Wind (km/h)
20
SSW
20
S
10
WSW
5
SE
10
SE
10
W
10
NE
20
ENE
10
NW
10
NNE
25
NE
10
NW
5
NNW
10
N
10
WNW
10
SSE
20
SSE
15
SSE
10
S
10
E
10
NW
Wind State
cross-off
cross
cross-off
cross-on
cross-on
off
cross-on
cross-on
cross-off
cross-on
cross-on
cross-off
cross-off
cross
cross-off
cross-on
cross-on
cross
cross
on
cross-off
High Tide
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
10:38AM1.40m
11:02PM1.09m
11:18AM1.36m
11:49PM0.98m
Low Tide
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
4:15AM0.29m
5:06PM0.30m
4:48AM0.38m
5:58PM0.37m
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
light rain
light rain
light rain
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:01
6:00
5:58
5:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:44
5:45
5:45
5:45
5:46
5:46
 mm
1
2
2
1
Temp °C
15
15
12
17
16
13
18
17
14
21
19
18
26
26
22
17
15
14
14
15
12
Feels °C
10
11
9
15
14
12
14
14
12
16
15
15
23
24
20
16
12
11
13
13
10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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