Surf Forecasts:
Maslin Beach surf forecast from 23 Jul 2026:
- Most powerful swell: Tuesday 28 Jul, 9AM (local time) - 5ft (1.6m), 5s period, NW swell with 129 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 1.6m 5s and forecast to arrive on Tuesday (Jul 28) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Tuesday (Jul 28) at 3PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9AM (Tue 28th Jul) | 5ft (1.6m) 5s |
Table - best surf conditions forecast for Maslin Beach over the next 16 days.
The Lowdown
G’day, I’m Rusty, and I’ve been staring at charts for Maslin Beach all morning. Honestly, the outlook’s a bit of a flat spell. We’ve got a 16-day window, but the first few days are a write-off, so don’t even bother waxing up until later in the period. The water’s sitting at 58°, which is about normal for this time of year, so no surprises there.
The run starts on Thursday 23 July, but it’s all no-good. Morning brings a weak 3ft SW swell with a short 4-second period and a cross-onshore breeze at 12 mph – the wave energy is a measly 27. It’s choppy and messy, and the afternoon is even worse at 2ft. Friday 24 July is tiny, just 0.7ft, and Saturday 25 July has a bit more size at 3ft from the W, but the wind is onshore, keeping it poor. The combined energy never gets above 31, so it’s weak.
Sunday 26 July and Monday 27 July are flat and barely worth a mention – we’re talking 1ft and 0.3ft swells. Then Tuesday 28 July pumps up a bit: a 5ft NW swell rolls in the morning, with a moderate 5-second period, and the combined energy hits 146 (moderate). But it’s cross-onshore and choppy, so still not a goer. The afternoon is 4ft with cross-shore wind, but it’s not clean.
The real highlight comes Wednesday 29 July. It’s not a standout in size, but the conditions clean right up. Morning sees a 1ft WSW swell with a 9-second period, an offshore ESE breeze at 9 mph, and the wave comment says “gentle offshore and clean.” The combined energy is only 34, so it’s small, but it’s glassy and tidy. The afternoon stays clean with a cross-offshore wind. Thursday 30 July is similar – tiny 0.7ft, but clean with cross-offshore winds. This is the best you’ll get: a small, clean session for the patient surfer. Maslin Beach is a beach and reef, often crowded, and inconsistent, so don’t expect big waves, but when it’s glassy like this, it’s a nice little paddle.
From Friday 31 July onward, it’s flat as a pancake – 0.3ft to 0.7ft swells, with some glassy periods, but no real energy. The combined energy drops to single digits most days. The 16-day window ends with a few clean days in early August, but the swell is negligible. The gap between the last poor surf on Tuesday 28 July and the next clean window on Wednesday 29 July is just one day, but after that, it’s a long stretch of nothing until the very end. There’s no standout here – just a tiny clean window on Wednesday 29 July as the best on offer, but you’ll need a longboard and low expectations.
Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Sat morning. Very mild (max 14°C on Sat morning, min 10°C on Thu afternoon). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Tue morning. Very mild (max 14°C on Mon afternoon, min 10°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||
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) | SW 4 | SW 4 | SW 4 | WSW 8 | WSW 8 | W 4 | W 4 | W 5 | W 3 | WSW 5 | WSW 5 | WSW 4 | N 3 | N 3 | NNW 4 | NW 5 | W 6 | SW 5 | WSW 9 | WSW 9 | WSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 21 | 15 | 9 | 6 | 6 | 12 | 31 | 16 | 6 | 7 | 5 | 3 | 5 | 6 | 38 | 129 | 74 | 37 | 34 | 16 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | glassy | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | off |
High Tide | 7:37PM0.97m | 9:53AM1.35m | 1:02PM1.31m | 2:48PM1.47m | 4:51AM0.99m | 3:32PM1.64m | 4:51AM1.10m | 4:04PM1.80m | 5:02AM1.21m | 4:33PM1.93m | |||||||||||
Low Tide | 3:28PM0.81m | 1:53AM0.51m | 00:48AM0.61m | 10:40PM0.52m | 10:32PM0.37m | 8:56AM0.79m | 10:45PM0.23m | 9:38AM0.64m | 11:02PM0.11m | 10:10AM0.49m | 11:20PM0.02m | ||||||||||
 | |  | | | |  | | | |  | |  | |  | | | | | |  | |
 | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:15 | — | — | 7:13 | — | — |
 | — | 5:27 | — | — | 5:27 | — | — | 5:28 | — | — | 5:29 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — |
mm | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 12 | 13 | 12 | 14 | 14 | 13 | 12 | 13 | 12 | 12 | 14 | 14 | 13 | 13 | 12 | 11 | 12 | 10 |
Feels °C | 7 | 5 | 7 | 8 | 8 | 8 | 11 | 11 | 12 | 11 | 12 | 11 | 7 | 9 | 10 | 11 | 8 | 8 | 6 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 7 | — | W 5 | — | — | WSW 5 | WSW 4 | WSW 5 | W 4 | WSW 8 | WSW 9 | N 5 | WSW 9 | WSW 9 | WSW 9 | WSW 9 |
| kJ | 6 | 6 | 6 | 6 | 6 | 2 | — | 16 | — | — | 5 | 3 | 2 | 3 | 11 | 17 | 11 | 17 | 34 | 16 | 8 |
Swell 2 Height (m) Direction Period (s) | S 14 | — | S 16 | S 15 | S 14 | — | — | — | — | — | — | — | SW 11 | SW 11 | W 5 | — | WSW 10 | — | S 14 | — | SW 12 |
| kJ | 4 | — | 5 | 4 | 4 | — | — | — | — | — | — | — | 5 | 5 | 2 | — | 36 | — | 4 | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 4 | WSW 3 | WSW 3 | W 4 | W 4 | — | W 3 | WSW 5 | — | — | N 3 | N 3 | NNW 4 | NW 5 | W 6 | SW 5 | — | — | ESE 2 |
| kJ | 21 | 15 | 9 | 5 | 4 | 12 | 31 | — | 6 | 7 | — | — | 3 | 6 | 38 | 129 | 74 | 37 | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 140 | 626 | 126 | 38 | 616 | 613 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 39 | 140 | 126 | 126 | 39 | 126 | 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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