Surf Forecasts:
Maslin Beach surf forecast from 14 Sep 2026:
- Most powerful swell: Sunday 20 Sep, 9PM (local time) - 5.5ft (1.7m), 6s period, W swell with 221 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 1.7m 6s and forecast to arrive on Sunday (Sep 20) 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 0.6m 4s period and expected on Sunday (Sep 20) at 12AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Sun 20th Sep) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Maslin Beach over the next 16 days.
The Lowdown
G’day, Rusty here. This forecast for the next couple of weeks is a tough one. We’re staring down a long run of poor surf, starting with a big gap of nothing before the first real option shows up. The water’s running at about 59°F, which is par for the course this time of year.
The first thing to know is that there’s no surf worth paddling out for until Sunday, September 20th. That’s a real dry spell to kick things off. Before that, we’ve got a mix of tiny, weak swells with onshore and cross winds. Not worth a second look.
That Sunday the 20th is the biggest of the whole stretch, but that’s not saying much. Maslin Beach (South Australia) will see 4ft in the morning from the NNW, with a period of just 5 seconds. It’s got some energy (57), but the wind is blowing onshore from the WNW at 12 mph, so it’s going to be messy. This is a beach and reef set-up, and with that wind and swell, it’s looking more like a kiteboarding day than a surfing one. It bumps to 4ft that afternoon from the WNW, but same onshore flow, same poor quality.
The next window is early Tuesday, September 22nd. It’s glassy, with a slight air, but there’s only 0.7ft of swell from the WSW with an 8-second period. The energy is almost nothing (7), so you’d be scraping for a tiny, clean ripple. And remember, this spot is inconsistent, so don’t get your hopes up.
After that, it’s a long, boring week. Tiny swells, weak energy, and a mix of cross and cross-off winds. No real form to anything. There’s another glassy morning on Thursday the 24th, but it’s 0.3ft that time. You’d see more action in a bathtub. By the 26th and 27th, the wind swings strong from the south at 22 mph, just chopping up the already non-existent surf.
The long-range stuff into the next week is more of the same. Tiny, weak swells and fresh cross-shore winds. It’s a proper blank run, which is normal for this area sometimes. If you’re desperate, that one glassy, clean morning on the 22nd might give you a knee-high dribble, but you’ll need a longboard and a lot of patience. Otherwise, sit this one out. The forecasts can change, but right now, this looks as flat as it gets.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Mon night, min 6°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 22°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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 4 | SW 5 | SSW 4 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | SW 9 | SW 8 | W 8 | N 3 | NNW 3 | N 3 | N 4 | N 4 | W 7 | NNW 5 | WNW 5 | W 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 9 | 16 | 29 | 22 | 7 | 8 | 8 | 7 | 3 | 3 | 1 | 8 | 4 | 1 | 9 | 6 | 1 | 54 | 83 | 98 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-off | cross | cross | cross-off | cross | cross | cross-off | on | on | glassy |
High Tide | 5:41PM1.65m | 5:51AM2.06m | 6:01PM1.56m | 6:13AM2.05m | 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 | |||||||
Low Tide | 11:33PM0.03m | 12:12PM0.02m | 11:50PM0.05m | 12:37PM0.10m | 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 | |||||||
 |  |  | | | | |  | | | | | | | | | | | | | |
 | — | — | 6:16 | — | — | 6:15 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — |
 | 6:05 | — | — | 6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 14 | 13 | 10 | 12 | 12 | 9 | 11 | 13 | 14 | 15 | 18 | 19 | 20 | 22 | 22 | 15 | 15 | 13 |
Feels °C | 12 | 14 | 7 | 6 | 7 | 8 | 6 | 6 | 8 | 11 | 12 | 10 | 14 | 15 | 14 | 18 | 16 | 11 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 10 | WSW 9 | — | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | SW 9 | SW 8 | W 8 | SW 8 | W 8 | — | W 7 | — | — | W 12 | SW 11 | — |
| kJ | 9 | 16 | — | 7 | 7 | 8 | 8 | 7 | 3 | 3 | 1 | 3 | 1 | — | 1 | — | — | 3 | 5 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 14 | SW 14 | SW 13 | SW 14 | S 14 | — | — | — | — | — | — | — | — | W 7 | — | — | — |
| kJ | — | — | — | 8 | 7 | 7 | 7 | 4 | — | — | — | — | — | — | — | — | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | W 8 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | WSW 4 | SW 5 | SSW 4 | SSE 3 | SE 3 | SE 3 | SE 3 | — | — | — | N 3 | NNW 3 | N 3 | N 4 | N 4 | N 4 | NNW 5 | WNW 5 | W 6 |
| kJ | 7 | 13 | 29 | 22 | 3 | 2 | 2 | 1 | — | — | — | 8 | 4 | 1 | 9 | 6 | 9 | 54 | 83 | 98 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 39 | 126 | 126 | 140 | 126 | 39 | 139 | 126 | 38 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 1158 | 621 | 1 |
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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