Surf Forecasts:
Maslin Beach surf forecast from 13 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 6AM (local time) - 1ft (0.3m), 10s period, WSW swell with 18 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 0.3m 10s and forecast to arrive on Thursday (Aug 20) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Aug 18) at 6AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6AM (Thu 20th Aug) | 1ft (0.3m) 10s |
Table - best surf conditions forecast for Maslin Beach over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s be honest, looking out over the next 16 days for Maslin Beach... it’s a tough stretch. The whole period is pretty flat. We’re talking a long, dry gap with barely a ripple to get excited about.
Right now, on Thursday the 13th, it’s a no-go. Just 1ft of weak, messy WSW swell (combined energy of all swells directed here is only 26) with onshore wind. That’s a write-off.
Friday the 14th morning has a shot of glassy conditions with the wind dropping right off, but the swell is tiny at 0.7ft and the period is short. It’s clean, sure, but there’s nothing to actually ride. The water temp is 57°, which is pretty normal for this time of year.
That flat spell just drags on and on. We get a bit of clean, cross-off wind on Saturday and Sunday the 15th and 16th, but the swell is barely registering—down to 0.3ft. The energy is a paltry 3 or 6. Not worth paddling out for. Monday the 17th and Tuesday the 18th offer some offshore wind, but the swell is still 0.3ft. You’d be floating.
Around Wednesday the 19th, a bit of windswell from the north bumps up to 2ft but it’s short-period and choppy with onshore wind. That’s not surf, that’s a washing machine. The end of the first week and into the second week stays poor. Thursday the 20th goes glassy again, but it’s only 1ft.
Looking further out, Saturday the 22nd of August has the biggest swell we see, a 3ft W windswell, but the period is a pathetic 5 seconds, and it’s lumpy with fresh cross-shore winds. Combined energy (49) is still weak. That’s more of a mess than a wave.
Honestly, there’s not a single standout session here. For a beach and reef setup like Maslin, this is just one of those dead periods. If you’re desperate for a paddle, the cleanest windows are Friday the 14th morning or Thursday the 20th afternoon with glass, but you’ll be bobbing around on nothing. Don’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Very mild (max 15°C on Fri morning, min 10°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Tue night. Very mild (max 18°C on Mon morning, min 11°C on Sun morning). Winds increasing (light winds from the ESE on Sun night, fresh winds from the NNW by Tue night). | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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) | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 7 | WSW 8 | SW 8 | SW 8 | W 8 | SW 14 | SW 16 | SW 14 | SW 13 | N 4 | N 4 | N 4 | SW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 16 | 15 | 15 | 7 | 13 | 6 | 6 | 4 | 8 | 3 | 3 | 1 | 7 | 9 | 8 | 7 | 4 | 9 | 9 | 7 | 16 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross |
High Tide | 4:49PM1.93m | 5:24AM1.43m | 5:14PM1.93m | 5:40AM1.60m | 5:37PM1.87m | 6:00AM1.74m | 6:00PM1.78m | 6:22AM1.84m | 6:21PM1.66m | 6:45AM1.88m | 6:42PM1.51m | 7:09AM1.84m | 7:00PM1.35m | ||||||||
Low Tide | 10:29AM0.41m | 11:27PM0.05m | 10:59AM0.27m | 11:39PM0.03m | 11:29AM0.17m | 11:53PM0.01m | 11:58AM0.13m | 00:08AM0.01m | 12:28PM0.15m | 00:25AM0.04m | 12:56PM0.23m | 00:41AM0.10m | 1:25PM0.35m | 00:56AM0.19m | |||||||
 | |  | |  |  | | | |  | | | | | | |  |  | | | | |
 | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — |
 | — | 5:42 | — | — | 5:43 | — | — | 5:43 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | — |
Temp °C | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 12 | 18 | 18 | 15 | 15 | 17 | 15 | 14 | 14 | 13 |
Feels °C | 11 | 11 | 11 | 14 | 11 | 12 | 10 | 9 | 8 | 8 | 8 | 9 | 13 | 14 | 9 | 10 | 14 | 10 | 9 | 10 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | WSW 5 | WSW 8 | WSW 8 | WSW 8 | W 7 | WSW 8 | SW 8 | SW 8 | W 8 | SW 14 | SW 16 | SW 14 | W 10 | W 10 | SW 10 | W 9 | W 5 | WSW 13 |
| kJ | 16 | 15 | 15 | 5 | 13 | 6 | 6 | 4 | 7 | 3 | 3 | 1 | 7 | 9 | 8 | 2 | 2 | 4 | 1 | 2 | 16 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | WSW 8 | S 16 | S 15 | S 15 | SW 9 | SW 14 | S 14 | S 14 | S 14 | — | — | W 10 | SW 13 | S 13 | — | — | SW 13 | W 4 |
| kJ | 5 | 5 | 5 | 7 | 5 | 4 | 5 | 3 | 8 | 4 | 4 | 4 | — | — | 2 | 7 | 3 | — | — | 7 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 16 | — | — | — | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | W 5 | WSW 4 | — | — | — | — | — | ESE 3 | — | SE 3 | — | E 3 | E 2 | NNE 4 | N 4 | N 4 | N 4 | N 4 | NNW 3 | — |
| kJ | 10 | 8 | 6 | — | — | — | — | — | 1 | — | 2 | — | 2 | 1 | 5 | 7 | 4 | 9 | 9 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 38 | 38 | 39 | 72 | 126 | 39 | 39 | 39 | 39 | 137 | 38 | 38 | 137 | 39 | 39 | 39 | 170 | 38 | 39 | 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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