Surf Forecasts:
Aldinga Beach surf forecast from 6 Aug 2026:
- Most powerful swell: Wednesday 12 Aug, 12PM (local time) - 11ft (3.5m), 8s period, WSW swell with 1,877 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 3.5m 8s and forecast to arrive on Wednesday (Aug 12) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 7s period and expected on Wednesday (Aug 12) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Wed 12th Aug) | 11ft (3.5m) 8s |
Table - best surf conditions forecast for Aldinga Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here, and I’m not gonna sugarcoat it – Aldinga Beach is looking at a total drought of surf for the next 16 days. The finder has no solid recommendations, and the guidance shows this is an inconsistent, beginner-friendly beach break that’s fairly exposed to SW. When the swell’s this quiet, it’s just how it goes around here. There are pulses of size, but the wind ruins every single one. Let’s break it down.
The window starts Thursday 6 August with a pathetic 0.3ft of swell from the W, period a short 5 seconds, and energy of just 1. That’s a flat calm. The water temp is 57°F, which is about average for the time of year. By afternoon it’s glassy but still flat. Friday 7 August is the same story – 0.3ft to 0.7ft of windswell, energy barely hitting 18. Useless.
Saturday 8 August gets windy outta the north at 19 to 22 mph, but the swell stays under 1ft. Energy is single digits. Then Sunday 9 August brings a pulse of 5ft to 8ft from the NNW and WSW, with energy climbing to 527 by the afternoon. That sounds promising until you hear the wind – onshore from the WSW at 25 to 28 mph. On a beach break, that’s kite-surfing weather, not paddle surfing.
Monday 10 August drops to around 5ft from the W, period short at 6 seconds, energy moderate at 206, but the wind is cross-shore from the NW at 9 mph, so it stays lumpy. Tuesday 11 August the swell collapses to 2ft, and it’s dead again until Wednesday 12 August when a big one hits – 8ft to 10ft from the WSW, energy blasting up to 1082. That is strong wave energy, but the wind is onshore WSW at 19 mph. At that size, it’s for experts only, and the wind will make it a messy or even dangerous closeout.
Thursday 13 August brings 4ft with a 6-second period and a gentle onshore breeze. No good. From Friday 14 August through to the end on Friday 21 August, the swell never tops 1ft. Energy stays in the single digits or low teens. Wind is mostly cross-off from N or onshore from the SW. Even the long-range stuff around 20 August – a 0.3ft swell with a 19-second period – is just a whisper.
No standouts here, folks. This is a full-on flat spell for Aldinga Beach. Pretty normal when the weather patterns don’t cooperate. Keep your board in the bag and wait for the next one.
Rusty
Short Range ForecastLight rain (total 7mm), mostly falling on Fri night. Very mild (max 16°C on Fri afternoon, min 11°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the N by Sat morning). | Days 4-6 Weather SummaryHeavy rain (total 32mm), heaviest during Sun morning. Very mild (max 15°C on Tue afternoon, min 10°C on Sun morning). Winds increasing (light winds from the W on Sun night, strong winds from the WNW by Tue night). | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
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) | W 5 | — | SW 15 | SW 14 | WSW 10 | SW 15 | SW 9 | W 4 | SW 14 | W 5 | WSW 6 | WSW 6 | W 5 | W 5 | WSW 9 | WSW 9 | NW 6 | W 7 | W 7 | WSW 8 | WSW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1 | 0 | 9 | 8 | 10 | 9 | 3 | 3 | 8 | 17 | 245 | 213 | 94 | 58 | 30 | 27 | 0 | 575 | 0 | 1392 | 499 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-on | on | on | cross | cross | cross-off | cross-off | cross | on | on | on | on |
High Tide | 7:37PM1.06m | 8:33AM1.56m | 6:49PM0.85m | 9:17AM1.43m | 1:48PM1.38m | 7:08AM1.02m | 3:10PM1.59m | 5:27AM1.02m | 3:50PM1.76m | 5:11AM1.12m | 4:22PM1.88m | ||||||||||
Low Tide | 2:31PM0.58m | 1:23AM0.41m | 3:42PM0.79m | 00:53AM0.47m | 11:36PM0.42m | 10:57PM0.29m | 7:56AM1.02m | 10:56PM0.18m | 9:20AM0.81m | 11:05PM0.11m | 9:57AM0.60m | 11:16PM0.07m | |||||||||
 |  |  | |  |  | | |  |  |  | | | | | |  | |  | |  | |
 | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — |
mm | — | — | — | — | — | 4 | — | — | 3 | 12 | 3 | — | — | 1 | 2 | — | 4 | 10 | 6 | 2 | — |
Temp °C | 13 | 14 | 12 | 15 | 16 | 15 | 15 | 15 | 13 | 11 | 11 | 11 | 12 | 13 | 13 | 14 | 15 | 11 | 10 | 10 | 11 |
Feels °C | 12 | 13 | 10 | 10 | 12 | 8 | 9 | 9 | 8 | 5 | 2 | 5 | 6 | 8 | 8 | 5 | 8 | 4 | 0 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | W 5 | — | W 5 | W 5 | WSW 10 | SW 10 | SW 9 | W 4 | W 5 | NNW 4 | — | — | SW 10 | W 5 | WSW 9 | W 6 | — | S 20 | — | — | — |
| kJ | 1 | — | 2 | 1 | 10 | 4 | 3 | 3 | 2 | 15 | — | — | 23 | 58 | 30 | 27 | — | 7 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | SW 15 | SW 14 | SW 14 | W 5 | S 16 | W 9 | SW 10 | SW 13 | — | — | — | — | W 5 | WSW 9 | — | — | — | — | — |
| kJ | — | — | 9 | 8 | 8 | 1 | 5 | 1 | 4 | 6 | — | — | — | — | 9 | 27 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 10 | — | SW 15 | — | S 14 | SW 14 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | — | 9 | — | 4 | 8 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 3 | N 4 | N 4 | NNW 5 | NNW 4 | N 5 | W 5 | WSW 6 | WSW 6 | W 5 | NNW 4 | NNW 5 | N 6 | NW 6 | W 7 | W 7 | WSW 8 | WSW 7 |
| kJ | — | — | — | 3 | 9 | 28 | 91 | 27 | 75 | 17 | 245 | 213 | 94 | 20 | 66 | 289 | 456 | 575 | 855 | 1392 | 499 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 122 | 33 | 33 | 33 | 33 | 165 | 34 | 35 | 377 | 482 | 820 | 439 | 34 | 33 | 610 | 610 | 34 | 611 | 1047 | 623 |
Best forecast wave conditions in Adelaide | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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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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