Surf Forecasts:
Aldinga Beach surf forecast from 18 Jul 2026:
- Most powerful swell: Wednesday 22 Jul, 9PM (local time) - 3.5ft (1.1m), 5s period, SW swell with 60 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 1.1m 5s and forecast to arrive on Wednesday (Jul 22) at 9PM. 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 Sunday (Jul 19) at 12PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Wed 22nd Jul) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Aldinga Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the menu for the next couple of weeks.
Straight up, I'm not gonna sugarcoat it – this is a quiet stretch for Aldinga Beach. For the next 16 days, the forecast is basically a long, flat spell with nothing worth paddling out for. It's a proper lull. We're looking at a run of tiny, weak swell and onshore or cross-shore winds that just aren't going to produce anything rideable. You'll be floating around waiting for a bump that never really comes. Even the combined wave energy chugs along in the single digits and low double digits, which is basically nothing. The water temp is sitting around 58°F which is pretty normal for this time of year.
The only time we see a pulse of energy is around Wednesday the 22nd and Thursday the 23rd, but that's a short-period, onshore wind-swell mess. The swell height might bump up to 2.6 ft to 3.3 ft, but the period is a shocking 4 to 5 seconds – that's pure wind chop with no power. The wind is howling from the west and southwest. It's a write-off. Then the same story repeats around the 24th and 25th, with a bit more size but still onshore and messy. There's a tiny window of clean conditions on the 21st with a light northerly, but the swell is only 0.7 ft. You'd need a surf mat to catch that.
The whole 16-day window is a blank. There's no standout session, no hidden gem, no secret bank to get excited about. It's just a flat and blown-out stretch. The forecasts can change, but right now, this is a good time to wax the longboard, fix a ding, or just enjoy the beach without a board. The coast is quiet.
Short Range ForecastSome drizzle, heaviest during Tue night. Very mild (max 14°C on Mon afternoon, min 11°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Wed morning. Very mild (max 13°C on Wed morning, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||
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 12 | W 12 | W 10 | SW 14 | SW 12 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | W 4 | WSW 5 | SW 5 | SW 5 | SW 4 | WSW 8 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 3 | 2 | 8 | 6 | 9 | 8 | 7 | 7 | 23 | 48 | 36 | 22 | 9 | 6 | 32 | 38 | 28 | 29 | 28 | 22 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | on | on | on | cross-on | on | on | on | cross-on | cross-on | on | on | on |
High Tide | 6:40PM1.73m | 7:15AM1.60m | 7:04PM1.55m | 7:45AM1.61m | 7:25PM1.36m | 8:18AM1.56m | 7:41PM1.17m | 8:55AM1.47m | 7:37PM0.97m | 9:53AM1.35m | 1:02PM1.31m | ||||||||||
Low Tide | 12:35PM0.30m | 1:01AM0.11m | 1:10PM0.38m | 1:19AM0.17m | 1:47PM0.50m | 1:37AM0.26m | 2:29PM0.65m | 1:51AM0.38m | 3:28PM0.81m | 1:53AM0.51m | 00:48AM0.61m | 10:40PM0.52m | |||||||||
 | |  | |  |  | | |  |  | | | | | | | | | | | | |
 | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — |
 | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — | — | 5:25 | — | — | 5:27 | — | — | 5:28 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 4 | — | 2 | — |
Temp °C | 12 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 12 |
Feels °C | 8 | 10 | 10 | 10 | 12 | 12 | 10 | 11 | 11 | 7 | 7 | 5 | 6 | 6 | 5 | 6 | 6 | 8 | 10 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | W 8 | W 5 | W 8 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 8 | SW 11 | — | — | WSW 8 | WSW 8 | WSW 8 | — | — | S 13 | — | — | — |
| kJ | 5 | 1 | 1 | 1 | 2 | 9 | 8 | 7 | 7 | 5 | — | — | 6 | 6 | 6 | — | — | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 5 | W 8 | — | — | W 4 | — | SW 12 | — | — | — | — | — | S 14 | S 15 | — | — | — | — | — | — |
| kJ | — | 1 | 1 | — | — | 2 | — | 6 | — | — | — | — | — | 4 | 4 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 12 | W 10 | SW 14 | SW 12 | SW 13 | SW 12 | — | SW 11 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 2 | 8 | 6 | 7 | 6 | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | N 3 | N 3 | N 3 | NNW 3 | — | — | N 3 | — | W 4 | WSW 5 | SW 5 | SW 5 | SW 4 | WSW 3 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 |
| kJ | 3 | 3 | 1 | 3 | 2 | — | — | 1 | — | 23 | 48 | 36 | 22 | 9 | 5 | 32 | 38 | 28 | 29 | 28 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 611 | 618 | 623 | 139 | 1057 | 486 | 486 | 1049 | 611 | 950 | 446 | 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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