Surf Forecasts:
Maslin Beach surf forecast from 16 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 6PM (local time) - 4ft (1.2m), 5s period, W swell with 85 kJ wave energy.
Best Forecast Surf Conditions for Maslin Beach this week:
The most powerful waves expected at Maslin Beach in the next 16 days are 1.2m 5s and forecast to arrive on Sunday (Sep 20) 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 0.5m 5s period and expected on Sunday (Sep 20) at 3PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Sun 20th Sep) | 4ft (1.2m) 5s |
Table - best surf conditions forecast for Maslin Beach over the next 16 days.
The Lowdown
Alright, let's cut to the chase. The surf is basically on life support out there. We’re looking at a long stretch of tiny, weak waves and messy winds. It’s a test of patience, plain and simple.
The first day, Wednesday the 16th, starts things off with a pathetic 0.7ft of weak, crumbly surf. The combined energy is a weak 15, and while a cross-offshore breeze keeps it clean, it's just no good. Thursday the 17th goes even flatter, with 0.3ft sets and glassy conditions. We're talking a combined energy of just 3. It's dead flat.
Friday the 18th and Saturday the 19th have a little more size, reaching 2ft, but the period is a short 4 seconds and the wind is all over the place. That's a junky, weak windswell. The energy is still weak, maxing out at 14.
We do get a bump on Sunday the 20th, with the swell reaching 4ft. Combined energy jumps to 58, which is still on the low end of moderate. But, the period is only 5 seconds. Expect lumpy conditions from the fresh cross-shore breeze. It’s the biggest swell of the period, but it's not going to be pretty.
From the 21st through the end of the month, it's a wasteland. We have a few clean windows, like Monday the 22nd with 0.7ft and glassy conditions, but it's just tiny. We're looking at 0.3ft to 0.7ft waves with periods that get up to 10 seconds. Weak energy, between 1 and 24. It's flat, or close to it.
Water temp on the first day is 15°, which is about normal for this time of year.
So there you have it. Maslin Beach is in a deep slumber. There are no standout days, no hidden gems. The 20th might look like something, but with the fresh breeze and short period, the conditions will be marginal at best. Up until the end of the month, it’s going to be a poor run.
This kind of blank run is pretty standard for the area, though. It usually doesn't stay this bad for long. Forecasts change, and if a decent groundswell decides to show up, I'll be all over it.
Stay patient.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 6°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 20°C on Sat afternoon, min 6°C on Mon night). Winds decreasing (fresh winds from the NNW on Sun morning, light winds from the NNE by Tue morning). | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||
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 9 | WSW 9 | SW 9 | SW 8 | W 9 | N 4 | NNW 4 | W 4 | N 4 | N 3 | W 6 | NNW 5 | W 5 | W 5 | SW 5 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 8 | 7 | 3 | 3 | 2 | 9 | 5 | 2 | 9 | 3 | 5 | 56 | 54 | 25 | 11 | 13 | 17 | 8 | 8 | 8 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | on | cross-off | cross | cross-on | cross | cross | cross-on | cross-off | cross | on | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross |
High Tide | 6:21PM1.45m | 6:35AM1.99m | 6:39PM1.32m | 6:57AM1.87m | 6:52PM1.17m | 7:20AM1.71m | 6:55PM1.01m | 7:41AM1.52m | 6:05PM0.88m | 7:57AM1.30m | 6:14AM1.10m | 2:23PM1.26m | ||||||||
Low Tide | 00:06AM0.11m | 1:02PM0.22m | 00:22AM0.20m | 1:28PM0.39m | 00:33AM0.31m | 1:57PM0.58m | 00:33AM0.44m | 2:40PM0.80m | 11:58PM0.55m | 10:25PM0.53m | 9:09AM1.06m | 9:50PM0.40m | ||||||||
 |  | | | | | | | | | | | |  |  | | | | | | |
 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:07 | — | — |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:10 | — | — | 6:10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 9 | 12 | 13 | 13 | 15 | 18 | 17 | 18 | 20 | 20 | 20 | 17 | 15 | 13 | 13 | 8 | 16 | 18 | 19 |
Feels °C | 6 | 5 | 9 | 12 | 11 | 11 | 14 | 15 | 14 | 18 | 16 | 16 | 12 | 12 | 8 | 7 | 3 | 13 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | SW 9 | SW 8 | W 8 | W 8 | W 8 | W 4 | W 5 | W 4 | W 6 | W 5 | N 5 | SW 11 | SW 5 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 8 | 7 | 3 | 3 | 1 | 1 | 1 | 2 | 2 | 3 | 5 | 2 | 12 | 5 | 11 | 13 | 17 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | SW 14 | S 14 | — | — | W 9 | — | — | W 6 | W 7 | W 7 | — | S 12 | NW 5 | — | SW 11 | SW 10 | SW 12 | S 15 | — | S 16 |
| kJ | 7 | 4 | — | — | 2 | — | — | 1 | 3 | 1 | — | 3 | 6 | — | 5 | 4 | 6 | 5 | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | S 14 | — | — | — | — | — | — | — | — | — | S 12 | — | — | SW 13 | — | — | — | — |
| kJ | — | — | 4 | — | — | — | — | — | — | — | — | — | 3 | — | — | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 3 | SE 3 | — | — | — | N 4 | NNW 4 | — | N 4 | N 3 | NNE 3 | NNW 5 | W 5 | W 5 | SSE 2 | SSE 3 | ESE 3 | E 3 | — | — |
| kJ | 2 | 2 | — | — | — | 9 | 5 | — | 9 | 3 | 3 | 56 | 54 | 25 | 1 | 1 | 4 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 141 | 39 | 38 | 47 | 38 | 38 | 39 | 38 | 39 | 38 | 38 | 613 | 613 | 126 | 822 | 141 | 141 | 39 | 38 | 38 |
Best forecast wave conditions in Adelaide | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Maslin Beach Surf forecast
The above surf forecast table for Maslin Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Maslin Beach can be found by selecting the local surf guide option on the grey menu. Our Maslin 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 (Maslin 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 Maslin 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.
Maslin Beach is 13 km (8 miles) from the very large city of Morphett Vale. If you plan a holiday in Adelaide, look for hotels and other accommodation in Morphett Vale. Morphett Vale has rooms for a wide range of budgets as well as cheap car hire and transport links.
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