Aldinga Beach Surf Break

Lat Long: 35.29° S 138.45° E

Aldinga Beach Surf Forecast and Surf Report

Issued: 2 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aldinga Beach sea temperature is
14.1° C
0.3° 

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


Aldinga Beach surf forecast from 20 Aug 2026:

  • Most powerful swell: Wednesday 26 Aug, 6AM (local time) - 1ft (0.3m), 11s period, SW swell with 19 kJ wave energy.

Best Forecast Surf Conditions for Aldinga Beach this week:

The most powerful waves expected at Aldinga Beach in the next 16 days are 0.3m 11s and forecast to arrive on Wednesday (Aug 26) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Thursday (Aug 27) at 9AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 6AM (Wed 26th Aug)1ft (0.3m) 11s

Table - best surf conditions forecast for Aldinga Beach over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s be straight with you – this stretch of coast is looking pretty grim for the next couple of weeks. I’ve scanned the charts and honestly, there’s not a single session where the stars align. We’ve got a long, dry spell ahead.

The main issue is a lack of any decent swell energy. Most days, the combined energy of all swells directed here is sitting at weak, pathetic numbers, often well under 100, with many readings in the teens or even single digits. Even when we do see a bump, the wind is usually wrong or the swell is too short-period to hold any shape. For a spot that’s fairly exposed to the swell, this is a major disappointment.

Let’s run through the entire 16-day window. It basically starts with nothing and stays that way. Friday the 21st sees a weak 2 ft swell from the west with a period of just 4 seconds and a light onshore breeze – total mush. Saturday and Sunday the 22nd and 23rd are even worse, with swell heights dropping to 0.3 ft to 0.7 ft. The wind does go clean or cross-off briefly on Sunday and Monday mornings, but with virtually no wave energy, it’s just a flat, glassy lake. The combined energy Sunday morning is a measly 7, and Monday morning is 4.

Midweek, Tuesday the 25th kicks up a bit of windswell to 3 ft from the southwest, but a fresh SSE and S wind at 18 to 16 mph will chop it to pieces. That’s more of a kite day than a surf day. The rest of the week and into the next are a monotonous run of tiny, poor-quality swells with onshore or cross-shore winds. The water temperature doesn’t really matter here because you won’t be getting wet.

We finally see a bit of a pulse on the 1st of September, with a 4 ft swell from the WSW and a 6-second period, and the combined energy climbs to a moderate 119. But the wind is onshore from the WSW, so it’s going to be a messy, blown-out 4 ft. That’s the best we get, and it’s still rated as poor.

After that, we slide back into the doldrums. The 4th of September has a long-period 18-second swell from the SW, but the height is a pathetic 0.3 ft – just a clean, flat ocean. The 5th of September shows a 4 ft WSW swell, but with a light cross-shore and a 5-second period, it’s not going to offer anything rideable.

For a break that’s often crowded, at least you won’t have to fight for a wave because there won’t be any. This is one of those stretches where you’re better off tuning the boards or taking up a land-based hobby. Forecasts can always change, but right now, the outlook is a complete blank until at least the end of the first week of September. Keep an eye on it, but I wouldn’t hold your breath.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 15°C on Sun afternoon, min 10°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 15mm), heaviest on Mon night. Very mild (max 18°C on Mon afternoon, min 8°C on Wed night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
AM
PM
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
WSW
9
0.2
WSW
9
0.5
W
4
0.2
WSW
9
0.2
WSW
8
0.3
WSW
8
0.2
WSW
8
0.2
WSW
8
0.2
W
8
0.1
SW
9
0.1
SW
9
0.1
W
8
0.3
S
4
0.1
SW
15
0.4
SSW
4
0.2
WSW
11
0.2
WSW
10
0.2
WSW
9
0.1
SW
8
0.1
W
8
0.1
SW
17
Wave Graph
Metric surfscale
Energy kJ
8
8
9
8
7
13
7
7
5
3
3
1
2
9
8
11
9
8
2
1
12
Wind (km/h)
10
W
15
W
10
WNW
10
WSW
5
WNW
5
ENE
10
N
5
NNW
5
ENE
10
NNE
10
NNE
10
SE
15
S
25
SSW
15
SW
10
S
10
SW
10
ESE
15
N
10
NNW
20
NE
Wind State
on
cross-on
cross-on
on
cross-on
off
cross-off
cross
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross
cross-off
High Tide
7:10PM1.01m
8:27AM1.44m
5:30PM0.91m
9:14AM1.25m
7:04AM1.03m
2:48PM1.37m
4:54AM1.07m
3:25PM1.57m
4:39AM1.20m
3:54PM1.74m
4:45AM1.35m
4:20PM1.87m
Low Tide
2:29PM0.69m
1:05AM0.44m
3:41PM0.90m
00:24AM0.53m
10:53PM0.50m
8:09AM1.03m
10:25PM0.36m
9:13AM0.83m
10:28PM0.22m
9:42AM0.63m
10:40PM0.10m
10:09AM0.44m
10:55PM0.01m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
heavy rain
rain showers
clear
clear
part cloud
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
6:48
6:47
6:46
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:49
5:50
5:51
5:52
5:52
 mm
1
13
1
1
Temp °C
13
13
13
13
14
12
14
15
14
17
18
13
15
14
11
14
14
10
14
14
13
Feels °C
9
10
10
11
13
11
11
13
12
14
16
12
11
9
7
11
11
7
10
11
9
  • 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 Aldinga Beach Surf forecast

The above surf forecast table for Aldinga Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aldinga Beach can be found by selecting the local surf guide option on the grey menu. Our Aldinga Beach 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 (Aldinga Beach) 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 Aldinga Beach 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.

Are you planning a holiday in Adelaide? If you are looking for accommodation near Aldinga Beach, camping, hotels and holiday cottages in Adelaide, consider staying in Morphett Vale which is 19 km (12 miles) away. Other places in and around Adelaide where you can find information about places to rent, and car hire include Rapid Bay which is 36 km (22 miles) away, Adelaide, Adelaide Hills and Port Adelaide.

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