Surf Forecasts:
Aldinga Beach surf forecast from 9 Aug 2026:
- Most powerful swell: Wednesday 12 Aug, 6AM (local time) - 5.5ft (1.7m), 6s period, WSW swell with 193 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 1.7m 6s and forecast to arrive on Wednesday (Aug 12) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Tuesday (Aug 11) at 12PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6AM (Wed 12th Aug) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Aldinga Beach over the next 16 days.
The Lowdown
Alright, Rusty here, and I’m staring down the charts for the next 16 days. Gotta be straight with you: it’s looking bleak. We’ve got a long, quiet stretch ahead with no real surf on offer. The first few days are a write-off, and honestly, the whole run is looking like a bust.
Right from Monday morning, the 10th of August, we see some swell at Aldinga Beach with a 5ft swell from the SW, but the wind is a cross-on mess at 19 mph. The combined energy is only moderate (154), and the period is a short, choppy 6 seconds. The water temp is about average for the time of year at 57°. The conditions are just poor. This pattern sticks around through the week – small, weak swells and messy winds. Tuesday has a bit of a NW wind but it's all cross-shore and lumpy. Wednesday offers a bit more energy (111) with a 4ft WSW swell and onshore wind, but the surf quality is still poor.
By Thursday the 13th, the swell drops right off to 1ft, and we're scraping the barrel. The energy drops to weak numbers (24), and the wind shifts around but never really cleans it up for a decent paddle. Friday and Saturday are similar – tiny, weak swell, with the best wind being a light cross-off on Saturday morning, but the swell is just 0.7ft. You’d be wasting your time.
From Sunday the 16th onward, it's basically flat. The swell heights are at 0.3ft to 1ft, with combined energy values in the single digits. The wind does go offshore or clean at times, especially from the 17th onward, but there’s no wave to surf. We see a few glimmers with a longer period of 14 seconds on the 16th and 18th, but without any height, it’s a non-event.
The best you can say is that the last week of the period stays clean and glassy on the mornings, especially from the 17th to the 21st with light offshore or cross-off winds. But again, we’re talking about 0.3ft to 1ft surf. It’s a total flat spell. The setup looks more interesting for a kite than a paddle, but even then, you’d be fighting for scraps. A blank run like this is pretty normal for the area when the patterns go quiet. Forecasts can change, but right now, leave the board in the shed.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 14°C on Tue morning, min 10°C on Tue night). Winds decreasing (fresh winds from the NNW on Tue afternoon, light winds from the SW by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | |||||||||||||||
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) | SW 6 | WSW 5 | W 5 | NW 4 | W 6 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 154 | 49 | 17 | 43 | 41 | 105 | 111 | 74 | 19 | 15 | 15 | 24 | 22 | 6 | 13 | 6 | 6 | 8 | 8 | 8 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross | cross | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off |
High Tide | 3:10PM1.59m | 5:27AM1.02m | 3:50PM1.76m | 5:11AM1.12m | 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 | ||||||||
Low Tide | 10:56PM0.18m | 9:20AM0.81m | 11:05PM0.11m | 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 | ||||||||
 |  |  | | |  | |  |  | | | | | |  | | | | | | | |
 | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — |
 | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — |
mm | — | — | — | — | — | 3 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 14 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 11 |
Feels °C | 8 | 7 | 8 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 10 | 9 | 8 | 10 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | — | WSW 10 | WSW 9 | WSW 9 | W 6 | N 4 | — | WSW 9 | WSW 9 | WSW 9 | WSW 5 | S 16 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 |
| kJ | — | 37 | 17 | 8 | 41 | 3 | — | 8 | 15 | 15 | 5 | 5 | 22 | 6 | 13 | 6 | 6 | 6 | 6 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 17 | S 16 | S 16 | WSW 9 | — | S 16 | S 17 | S 16 | — | S 15 | SW 15 | SW 14 | SW 14 | S 13 |
| kJ | — | — | — | — | — | — | — | 6 | 5 | 5 | 15 | — | 5 | 5 | 5 | — | 5 | 8 | 8 | 8 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 16 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | WSW 5 | W 5 | NW 4 | NNW 5 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | W 4 | — | WSW 8 | — | WNW 3 | — | — | — | — | — | — | — |
| kJ | 154 | 49 | 15 | 43 | 47 | 105 | 111 | 74 | 19 | 9 | — | 24 | — | 2 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 610 | 820 | 33 | 377 | 377 | 899 | 899 | 603 | 33 | 33 | 34 | 33 | 33 | 122 | 122 | 122 | 122 | 34 | 33 | 122 | 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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