Surf Forecasts:
Maslin Beach surf forecast from 25 Aug 2026:
- Most powerful swell: Tuesday 1 Sep, 9AM (local time) - 3.5ft (1.1m), 4s period, N swell with 48 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 1.1m 4s and forecast to arrive on Tuesday (Sep 01) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Sep 01) at 3AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9AM (Tue 1st Sep) | 3.5ft (1.1m) 4s |
Table - best surf conditions forecast for Maslin Beach over the next 16 days.
The Lowdown
Hey, it’s Rusty. Look, I’ll level with you – the next 16 days are a total write-off for surf at Maslin Beach. We’re looking at a solid two-and-a-bit weeks with no wave worth paddling for. Every single forecast window comes back as poor conditions – no score above zero. That’s the cold, hard truth of it.
Maslin Beach is a beach-and-reef setup, exposed to the SW, but it’s inconsistent and mainly a beginner’s spot. That inconsistency is the norm around here – when it’s flat, it’s flat. Right now the water’s sitting at 58° with an anomaly of just +0.4°, so about average for this time of year – at least the water’s not putting you off.
The only faint pulse is Tuesday 25th afternoon with a 4ft SW swell at 5 seconds, but the wind is a 19 mph cross-shore and the energy reading is only 78 – weak. After that it’s all ankle‑biters under 0.7ft, glassy mornings that are flat, or onshore crud. There’s a day with a 16-second period on Friday 28th afternoon, but with 0.3ft of swell it just means you’re watching long-period ripples, not waves. Even when the wind goes glassy or offshore, the swell is virtually nonexistent.
We don’t get any proper swell push until early September, but even then it’s poorly aligned – a 4ft N windswell on Tuesday 1st September with a 4‑second period and a lumpy cross‑shore – that’s kite‑surf territory, not paddle surf. After that the energy never climbs above 39, and most days are cross‑onshore or flat.
So, bottom line: save your wax. This stretch is a dud. It happens here. I’ll keep an eye on it, but for now the only thing breaking is the horizon.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Fri morning, min 10°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue afternoon, calm by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||
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 5 | SW 4 | WSW 5 | WSW 10 | WSW 9 | WSW 9 | WSW 7 | W 8 | WSW 10 | SW 16 | SW 14 | SW 10 | SW 10 | SW 12 | SW 12 | SW 10 | W 9 | W 8 | W 9 | W 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 69 | 10 | 5 | 10 | 8 | 7 | 5 | 7 | 11 | 9 | 8 | 4 | 4 | 6 | 5 | 4 | 1 | 1 | 1 | 1 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | glassy | on | cross-off | cross | cross | off | glassy | glassy | off | glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-off |
High Tide | 4:39AM1.20m | 3:54PM1.74m | 4:45AM1.35m | 4:20PM1.87m | 4:58AM1.50m | 4:46PM1.94m | 5:15AM1.65m | 5:11PM1.95m | 5:33AM1.78m | 5:36PM1.90m | 5:53AM1.89m | 6:00PM1.79m | ||||||||
Low Tide | 10:28PM0.22m | 9:42AM0.63m | 10:40PM0.10m | 10:09AM0.44m | 10:55PM0.01m | 10:36AM0.27m | 11:12PM-0.04m | 11:03AM0.14m | 11:28PM-0.06m | 11:31AM0.05m | 11:45PM-0.04m | 11:59AM0.01m | 00:01AM0.01m | |||||||
 |  | | | | | |  |  | | | | | | | | | | | | |
 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — |
 | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 11 | 12 | 12 | 11 | 13 | 15 | 15 | 17 | 18 | 15 | 18 | 18 | 14 | 16 | 17 | 12 | 14 | 15 | 15 |
Feels °C | 8 | 9 | 10 | 10 | 9 | 10 | 13 | 13 | 16 | 17 | 12 | 17 | 16 | 11 | 15 | 15 | 8 | 11 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 14 | WSW 5 | W 5 | WSW 9 | WSW 9 | WSW 7 | W 8 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 12 | SW 12 | SW 10 | W 9 | W 8 | W 9 | W 9 |
| kJ | 9 | 8 | 4 | 2 | 8 | 7 | 5 | 6 | 11 | 4 | 4 | 4 | 4 | 6 | 5 | 4 | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 11 | WSW 10 | — | — | SW 12 | SW 13 | SW 16 | SW 16 | SW 14 | S 14 | S 14 | — | — | — | S 18 | S 17 | S 15 | S 16 |
| kJ | — | — | 5 | 10 | — | — | 5 | 7 | 10 | 9 | 8 | 4 | 4 | — | — | — | 6 | 6 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | S 13 | — | — | — | — | S 18 | — | W 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 4 | — | — | — | — | 6 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 4 | — | — | — | N 3 | NNW 3 | — | — | — | — | — | — | ESE 3 | ESE 2 | — | ESE 2 | — | — | NNE 3 |
| kJ | 69 | 10 | — | — | — | 3 | 2 | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 126 | 126 | 38 | 39 | 38 | 38 | 38 | 38 | 38 | 39 | 38 | 38 | 137 | 39 | 39 | 137 | 38 | 38 | 38 | 38 |
Best forecast wave conditions in Adelaide | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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