Surf Forecasts:
Aldinga Beach surf forecast from 12 Aug 2026:
- Most powerful swell: Wednesday 12 Aug, 6PM (local time) - 2.5ft (0.8m), 5s period, WSW swell with 33 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 0.8m 5s and forecast to arrive on Wednesday (Aug 12) at 6PM. 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 3s period and expected on Wednesday (Aug 19) at 12AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Wed 12th Aug) | 2.5ft (0.8m) 5s |
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 outlook for Aldinga Beach is a real struggle. We’re looking at a long, dry spell with very little to get excited about. The whole 16-day window opens with a bleak run, and it’s not until the 21st of August that we even see a glimmer of something surfable.
Right now, Aldinga Beach is a write-off. The water temp is sitting at 57°, which is basically bang on average for this time of year, so no surprises there. But the swell? Forget it. For the first week and a half, we’ve got nothing but tiny, weak waves with poor conditions. There’s a period of glassy conditions on the 14th, but the swell is only 1.0ft, so it’s not even worth paddling out for. The energy is pitiful – barely registering.
We’ve got a solid gap of nothing until the 21st of August. On Friday the 21st, the morning finally shows a bit of life. A 4ft swell from the west, with a short 6-second period, rolling in. The combined energy is modest, but it’s something. The wind is offshore from the north, which will keep it clean. The guide calls it “surfable but ordinary,” and I’d agree. It’s the only real option in this whole outlook. For a beginner, that 4ft is fine, but don’t expect anything special.
After that, it gets messy again. The 22nd sees strong winds and choppy conditions, and then we get a spike in size on the 24th of August. Monday morning shows a 6ft swell from the west, but it’s short period (6 seconds) and accompanied by a moderate cross-shore wind. The combined energy is solid, but the wind is going to make it a messy, choppy mess. For experienced surfers only, and even then, it’s not going to be pretty. The afternoon is a similar story, with 6ft and cross-onshore wind. Honestly, this setup looks more interesting for kite surfing than paddle surfing.
The rest of the window is just more of the same – tiny waves, onshore winds, and poor conditions. There’s nothing else worth highlighting. It’s a tough run for Aldinga, but that’s how it goes sometimes. Forecasts can change, so keep an eye on it, but for now, don’t get your hopes up.
Rusty.
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Very mild (max 15°C on Fri morning, min 12°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Mon afternoon, min 10°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | |||||||||||||||
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) | WSW 6 | W 5 | WSW 5 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | W 8 | W 8 | W 8 | SW 14 | SW 14 | SW 14 | SW 13 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 124 | 40 | 24 | 16 | 15 | 25 | 14 | 13 | 6 | 6 | 6 | 3 | 1 | 1 | 1 | 7 | 7 | 8 | 7 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | on | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off |
High Tide | 4:22PM1.88m | 5:13AM1.26m | 4:49PM1.93m | 5:24AM1.43m | 5:14PM1.93m | 5:40AM1.60m | 5:37PM1.87m | 6:00AM1.74m | 6:00PM1.78m | 6:22AM1.84m | 6:21PM1.66m | 6:45AM1.88m | 6:42PM1.51m | ||||||||
Low Tide | 9:57AM0.60m | 11:16PM0.07m | 10:29AM0.41m | 11:27PM0.05m | 10:59AM0.27m | 11:39PM0.03m | 11:29AM0.17m | 11:53PM0.01m | 11:58AM0.13m | 00:08AM0.01m | 12:28PM0.15m | 00:25AM0.04m | 12:56PM0.23m | 00:41AM0.10m | |||||||
 |  |  | | |  | |  |  | |  | | | | | | | | | | | |
 | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 16 | 17 | 15 | 18 | 18 | 17 |
Feels °C | 8 | 8 | 10 | 11 | 11 | 11 | 13 | 12 | 12 | 10 | 9 | 8 | 7 | 7 | 9 | 12 | 13 | 12 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 19 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | W 8 | W 8 | W 8 | SW 14 | SW 14 | W 10 | W 10 | W 10 | W 10 |
| kJ | 7 | 15 | 16 | 16 | 15 | 25 | 14 | 13 | 6 | 6 | 6 | 3 | 1 | 1 | 1 | 7 | 7 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | — | S 14 | S 14 | S 14 | S 14 | W 8 | — | SW 14 | SW 13 | S 13 | — |
| kJ | — | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | — | 4 | 4 | 4 | 4 | 1 | — | 8 | 7 | 3 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | W 5 | WSW 5 | W 4 | WSW 5 | — | — | — | — | — | — | ESE 2 | ESE 2 | SE 3 | SE 2 | ESE 2 | — | ENE 2 | NNE 4 | N 3 | N 3 |
| kJ | 124 | 40 | 24 | 10 | 8 | — | — | — | — | — | — | 1 | 1 | 2 | 1 | 1 | — | 1 | 7 | 4 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 618 | 611 | 34 | 33 | 33 | 33 | 33 | 122 | 122 | 34 | 137 | 34 | 139 | 141 | 34 | 33 | 34 | 33 | 34 | 34 | 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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