Windang Island Surf Break

Lat Long: 34.55° S 150.88° E

Windang Island Surf Forecast and Surf Report

Issued: 9 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Windang Island sea temperature is
18.1° C
0.9° 

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 21 Aug 2026:

  • Best quality surf: Sunday 23 Aug, 4AM (local time) - 4.5ft (1.3m), 11s period, S swell with glassy winds.
  • Most powerful swell: Sunday 23 Aug, 4AM (local time) - 4.5ft (1.3m), 11s period, S swell with 388 kJ wave energy.
  • Next surfable swell (1★+): Sunday 23 Aug, 1AM (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 Sunday (Aug 23) at 1AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.4m and 4s. 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 1.3m 11s and forecast to arrive on Sunday (Aug 23) at 4AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Aug 22) at 7AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 23rd Aug)2ft (0.6m) 11s
Best Surf 4AM (Sun 23rd Aug)4.5ft (1.3m) 11s
Most Powerful 4AM (Sun 23rd Aug)4.5ft (1.3m) 11s

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


The Lowdown

G’day, Rusty here. Look, I’ll be straight with you – the next week and a bit is a write-off for any decent waves around Windang Island. This reef and point setup (NSW) is gonna be a frustrating watch. There’s nothing worth paddling out for until the very end of the month, so you’re looking at an 8-day gap of tiny, weak, and wonky surf.

From Saturday 22 August through to Saturday 29 August, it’s all small dribble – mostly under 3 ft – with shifty winds and weak energy readings mostly in the double digits, like 14. The odd morning on Wednesday 26 August has a 4 ft swell from the ENE with a light cross-offshore wind, but the energy is still paltry at 184 and the conditions are only described as “very ordinary.” It’s not worth getting excited about. The water temp is running about average for this time of year, so nothing weird there.

The first real glimmer shows up on Monday 31 August morning – still poor, though. Hold out.

Now, Tuesday 1 September is the standout. Tuesday morning brings a clean 6 ft S swell with glassy conditions and zero wind – just absolute morning magic. The combined energy jumps to 323 (moderate), and while the period is a short 7 seconds, that S swell matches the optimum direction for the spot. Tuesday afternoon gets even better: a 7 ft S swell with a light cross-offshore breeze and very good conditions, with energy rocketing up to 940. This is the pick of the whole outlook. The afternoon will see a few more people out – crowds are “sometimes” an issue here – but on a solid, clean wave like that, it’s worth sharing.

Then on Thursday 3 September, it gets messy with a 5 ft NE swell and onshore wind – choppy and poor, not worth it.

But hold onto your board for Friday 4 September – a huge 10 ft SSE swell arriving in the morning with glassy conditions. At 10 ft, this is strictly for experienced surfers only. The energy is a massive 1033 (strong), but that’s a lot of power on a reef and point break. The wind is glassy, making for clean, thick walls, but this one will be pumping and pushing hard. Afternoon sees a drop to 8 ft but still clean with a light cross-offshore. This is the other standout – just know your limits.

The following Sunday 6 September morning has a clean 3 ft E swell with glassy conditions and moderate energy of 241 – a nice little recovery session for the crew that isn't chasing size.

So to wrap it up: don’t waste your time until Tuesday 1 September. That’s your best bet for fun, clean, solid surf. Friday 4 September is the big-wave day for the experts. Everything else is either flat, weak, or wind-affected.

Stay patient, and stay stoked.

Rusty

Short Range Forecast

Mostly dry. Warm (max 21°C on Mon morning, min 12°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 13mm), heaviest on Tue afternoon. Warm (max 20°C on Tue morning, min 13°C on Wed night). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
1
0
1
0
0
1
0
0
1
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
NE
6
0.3
NE
6
0.3
NE
6
0.6
S
11
1.1
S
8
0.8
S
11
0.9
S
10
0.7
S
10
0.6
S
10
0.9
ENE
6
0.5
S
9
0.9
ENE
6
1.1
ENE
7
1.2
ENE
8
1.1
NE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
1
ENE
9
Wave Graph
Metric surfscale
Energy kJ
18
6
6
85
161
166
161
94
70
69
39
67
117
166
143
95
103
103
141
Wind (km/h)
15
WNW
15
WSW
10
SE
0
NW
10
NNE
25
NNE
15
NNW
10
N
25
NE
10
WNW
15
N
10
N
10
NNW
10
SSW
20
SSW
15
SW
10
S
5
ESE
5
WNW
Wind State
off
cross-off
cross-on
glassy
cross
cross-on
cross-off
cross
cross-on
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
off
High Tide
3:49AM0.84m
3:59PM1.27m
4:58AM0.87m
4:56PM1.32m
5:50AM0.92m
5:44PM1.38m
6:32AM0.98m
6:26PM1.44m
7:08AM1.05m
7:04PM1.49m
7:43AM1.13m
7:41PM1.52m
Low Tide
10:06PM0.48m
9:02AM0.56m
11:09PM0.43m
10:09AM0.54m
11:58PM0.37m
11:07AM0.50m
00:38AM0.30m
11:55AM0.44m
1:12AM0.24m
12:39PM0.38m
1:45AM0.18m
1:20PM0.33m
2:16AM0.14m
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
light rain
mod rain
light rain
rain showers
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:26
6:24
6:24
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:30
5:31
5:32
5:32
 mm
4
7
1
1
Temp °C
15
19
18
14
17
17
14
21
19
16
20
17
15
17
15
14
17
16
14
Feels °C
11
17
15
13
13
12
11
17
15
15
17
16
13
17
12
11
15
15
13
  • Map Icons:
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  • 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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