Surf Forecasts:
Maslin Beach surf forecast from 26 Aug 2026:
- Most powerful swell: Wednesday 2 Sep, 6PM (local time) - 3.5ft (1.0m), 4s period, W swell with 41 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 1.0m 4s and forecast to arrive on Wednesday (Sep 02) 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 Tuesday (Sep 01) at 6PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Wed 2nd Sep) | 3.5ft (1.0m) 4s |
Table - best surf conditions forecast for Maslin Beach over the next 16 days.
The Lowdown
Alright, let’s talk Maslin Beach in feet and miles per hour for the next 16 days. First off, it’s a slow start. A real slow start. There’s a long gap of flat, useless water through to the end of August. Water temp is 58°F, pretty normal for the season. Nothing to get excited about.
From Wednesday the 26th of August, we’re looking at ankle-high junk. The morning is glassy, but the swell is a miserable 0.3ft from the SW with an 11-second period and the combined energy is only 9 – that’s nothing. The afternoon is similar, 0.7ft, onshore, no good. Thursday the 27th: 0.7ft again, cross-shore wind, poor. Friday the 28th: glassy morning, but still 0.7ft. Saturday the 29th: same story. Sunday the 30th: clean but 0.3ft. The whole run through to the end of the month is a bust – tiny waves, no power, don’t bother.
Into September, Tuesday the 1st shows a 3ft north swell with a 4-second period and energy of 27, but the wind is a moderate cross-shore at 16 mph – choppy and ugly. Wednesday the 2nd has a light offshore but again, no swell. Friday the 5th of September is the first real movement: Saturday afternoon pushes up to 4ft from the west, period only 5 seconds, energy 64. The problem is the strong onshore wind at 16 mph, making it a blown-out mess. That’s more of a kiter’s wave, honestly.
Sunday the 6th: 3ft west swell, onshore, weak. But then Monday the 7th of September morning turns glassy. The swell is only 2ft with a short period, energy 25, but at least it’s clean for a tiny, crumbly wave.
Now the big one. Thursday the 10th of September. The morning brings a chunk of swell at 8ft from the WSW, period 7 seconds, and the combined energy is 671 – that’s serious power. Wind is a moderate cross-shore at 16 mph. That’s expert-level size, so steer clear if you’re not confident. The afternoon eases to 5ft with energy 227 and a light cross-onshore wind. That’s the standout window for the whole 16 days – proper swell, but keep your expectations tempered because it’s a long way out.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 17°C on Sat afternoon, min 10°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the NNW by Tue morning). | |||||||||||||||||||
Wed 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||
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 10 | WSW 9 | WSW 8 | WSW 7 | W 8 | WSW 11 | SW 15 | SW 14 | SW 14 | SW 10 | SW 12 | SW 12 | SW 9 | W 8 | W 8 | NNW 3 | W 9 | N 4 | N 4 | W 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 10 | 8 | 7 | 6 | 7 | 11 | 9 | 8 | 8 | 4 | 6 | 5 | 3 | 1 | 1 | 1 | 2 | 38 | 17 | 5 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | cross | cross | off | glassy | cross-on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-off | cross | cross | glassy |
High Tide | 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 | 6:14AM1.95m | 6:23PM1.62m | |||||||
Low Tide | 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 | 12:28PM0.04m | 00:16AM0.08m | |||||||
 |  | | |  |  | | | | | | | | | | | | | | | |
 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — |
 | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 11 | 13 | 15 | 15 | 17 | 18 | 16 | 17 | 17 | 12 | 16 | 16 | 14 | 16 | 16 | 16 | 17 | 18 | 14 |
Feels °C | 11 | 9 | 10 | 13 | 13 | 15 | 16 | 12 | 16 | 15 | 9 | 15 | 14 | 11 | 13 | 14 | 13 | 12 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 9 | WSW 8 | WSW 7 | W 8 | WSW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 12 | SW 12 | SW 9 | W 8 | W 8 | W 8 | W 9 | SW 15 | WNW 5 | W 5 |
| kJ | 10 | 8 | 7 | 5 | 5 | 11 | 4 | 4 | 4 | 4 | 6 | 5 | 3 | 1 | 1 | 1 | 2 | 9 | 7 | 5 |
Swell 2 Height (m) Direction Period (s) | W 5 | — | — | SW 12 | SW 14 | SW 16 | SW 15 | SW 14 | SW 14 | S 14 | — | — | — | — | — | — | S 16 | — | S 15 | WSW 7 |
| kJ | 2 | — | — | 6 | 7 | 10 | 9 | 8 | 8 | 4 | — | — | — | — | — | — | 5 | — | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 14 |
| kJ | — | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | NNW 3 | — | — | — | — | — | — | ESE 2 | — | — | ESE 2 | — | NNW 3 | N 3 | N 4 | N 4 | N 3 |
| kJ | — | — | 5 | 2 | — | — | — | — | — | — | 1 | — | — | 1 | — | 1 | 1 | 38 | 17 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 39 | 38 | 38 | 38 | 38 | 38 | 47 | 38 | 38 | 126 | 38 | 38 | 137 | 38 | 38 | 38 | 38 | 1046 | 38 | 126 |
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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