Surf Forecasts:
Aldinga Beach surf forecast from 20 Aug 2026:
- Most powerful swell: Friday 21 Aug, 9AM (local time) - 1.5ft (0.5m), 9s period, WSW swell with 48 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 0.5m 9s and forecast to arrive on Friday (Aug 21) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Aug 27) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9AM (Fri 21st Aug) | 1.5ft (0.5m) 9s |
Table - best surf conditions forecast for Aldinga Beach over the next 16 days.
The Lowdown
Alright, Rusty here again, but in feet and miles.
For Aldinga Beach, it’s a total dud. The next 16 days are a dry spell – no surf worth mentioning. The whole period is filled with poor conditions, tiny swell, and weak energy.
Thursday morning offers a 2ft west swell, but it’s a short period of 4 seconds with a cross-shore wind from the northwest at 16 mph. The combined energy is weak (36). Water temp is 57°, average for the season.
Friday morning is the cleanest we’ll get: a 2ft southwest swell with a 9-second period, light offshore wind from the west at 6 mph, but the energy is only 55. Still too small. Saturday and Sunday are smaller, barely a ripple.
The first week is a big gap. On 2 September, there’s a 3ft west-southwest swell, but it’s only 5 seconds and clean north wind at 12 mph. Energy is 64. Not enough. 3 September is similar: 2ft, short period, clean wind, but no power.
On 4 September, we get a glassy morning with a 0.7ft swell – it’s laughable, with energy of 18.
This is an inconsistent spot, and this run is a dry one. It’s not unusual for the area to have blank runs like this. Forecasts can change, but for now, there’s nothing to ride.
Rusty.
Short Range ForecastMostly dry. Very mild (max 14°C on Thu morning, min 10°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Tue morning. Very mild (max 15°C on Mon afternoon, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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 4 | WNW 4 | W 5 | WSW 9 | WSW 9 | W 4 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | SW 9 | W 9 | SW 9 | SW 8 | SW 15 | WSW 5 | WSW 8 | WSW 8 | SW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 19 | 24 | 18 | 48 | 8 | 9 | 8 | 7 | 7 | 7 | 7 | 5 | 3 | 2 | 3 | 2 | 9 | 3 | 7 | 6 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | on | cross-on | cross-on | on | cross-on | off | cross-off | cross | cross-off | cross-off | glassy | on | cross-on | cross-on | cross-off | cross-off | cross | cross-off |
High Tide | 7:14PM1.18m | 7:59AM1.61m | 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 | |||||||||
Low Tide | 1:55PM0.50m | 1:07AM0.31m | 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 | ||||||||
 |  |  | | | | | | | |  |  | | | |  | | | | | | |
 | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — |
 | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 14 | 14 | 12 | 14 | 13 | 14 | 13 | 14 | 12 | 13 | 14 | 13 | 14 | 15 | 13 | 13 | 14 | 10 | 11 | 11 | 11 |
Feels °C | 9 | 10 | 9 | 10 | 10 | 12 | 11 | 13 | 11 | 10 | 12 | 12 | 11 | 14 | 12 | 10 | 9 | 8 | 9 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 4 | WSW 5 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 | N 3 | SW 9 | SW 8 | W 6 | WSW 5 | WSW 8 | WSW 8 | W 4 |
| kJ | 17 | 16 | 14 | 48 | 8 | 8 | 5 | 4 | 7 | 7 | 7 | 5 | 1 | 1 | 3 | 2 | 1 | 3 | 7 | 6 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 14 | SW 13 | SW 15 | WSW 9 | WSW 8 | W 5 | S 14 | SW 11 | SW 10 | SW 9 | W 8 | — | S 16 | W 8 | SW 9 | W 11 | — | W 8 |
| kJ | — | — | — | 7 | 7 | 9 | 7 | 7 | 2 | 4 | 5 | 4 | 3 | 1 | — | 5 | 1 | 3 | 2 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 14 | S 14 | S 14 | — | — | — | — | W 9 | — | — | SW 15 | S 14 | S 13 | — | SW 9 |
| kJ | — | — | — | — | — | — | 8 | 4 | 4 | — | — | — | — | 2 | — | — | 9 | 4 | 4 | — | 3 |
Wind waves Height (m) Direction Period (s) | W 4 | WNW 4 | W 5 | — | W 5 | W 4 | — | — | — | — | — | — | — | — | — | — | SW 3 | — | — | NNW 2 | — |
| kJ | 19 | 24 | 18 | — | 4 | 8 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 439 | 33 | 33 | 33 | 33 | 34 | 133 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 122 | 122 | 122 | 33 | 33 | 33 |
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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