Surf Forecasts:
South Moana Reefs surf forecast from 28 Aug 2026:
- Most powerful swell: Wednesday 2 Sep, 9PM (local time) - 4.5ft (1.3m), 5s period, W swell with 92 kJ wave energy.
Best Forecast Surf Conditions for South Moana Reefs this week:
The most powerful waves expected at South Moana Reefs in the next 16 days are 1.3m 5s and forecast to arrive on Wednesday (Sep 02) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Thursday (Sep 03) at 3AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Wed 2nd Sep) | 4.5ft (1.3m) 5s |
Table - best surf conditions forecast for South Moana Reefs over the next 16 days.
The Lowdown
Alright folks, let's get into it. Rusty here, and I gotta tell ya, it's gonna be a quiet stretch. For a good long while, there's just nothing doing, so don't get your hopes up about paddling out any time soon.
We're looking at a 16-day window starting now, and honestly, the first bit is a write-off. From the end of August all the way through to the beginning of September, this spot is flat as a pancake. You'll be staring at a lake. Then, when a little bump finally shows up early in the month, it's junk – short period windswell, gnarly onshore winds, lumpy as all hell. Not worth a second look.
Now, there's a little glimmer way out on the horizon. Around the 7th of September, things try to stir. On Monday the 7th, we might see something a little more interesting. The wind is set to be cross-offshore from the SSE, which is a great angle for keeping the surface clean. There's a swell coming in from the WSW. But, the wave comment tells the story: it still gets the "poor surf conditions" label. So, don't plan a road trip.
The only real whisper of potential comes right at the tail end. South Moana Reefs doesn't see much, but on Friday the 11th of September afternoon, it's looking glassy as glass from the NW – almost no wind. And get this: there's a faint, very long-period groundswell sneaking in from the south, with a period around 17-18 seconds. The thing is, it's tiny, like 0.3 ft. Because it's such a long period, at a reef break it might just groom the surface rather than break. The combined energy is weak too, only about 10. For the patient surfer who just wants to sit out there and feel the ocean, it might be a meditation session. But for actual waves... we're hurting.
That's the whole story for this stretch, I'm afraid. A whole lot of nothing, with one tiny, clean window on the 11th for the die-hards.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Tue afternoon, min 12°C on Tue night). Winds increasing (calm on Mon afternoon, fresh winds from the NNW by Tue morning). | |||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 15 | SW 14 | S 14 | SW 11 | SW 10 | SW 12 | SW 9 | W 8 | W 8 | W 8 | W 9 | N 4 | N 4 | NW 4 | W 4 | W 4 | W 6 | NNW 3 | SW 9 | W 4 |
Wave Graph  | ||||||||||||||||||||
 kJ | 9 | 8 | 4 | 4 | 4 | 5 | 3 | 0 | 0 | 0 | 0 | 28 | 16 | 6 | 7 | 15 | 72 | 3 | 3 | 9 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | cross-off | cross-off | off | cross-off | off | glassy | glassy | cross-off | cross | cross | cross-on | on | on | on | cross-on | cross-on | on |
High Tide | 4:54PM2.17m | 5:20AM1.85m | 5:14PM2.21m | 5:32AM1.98m | 5:33PM2.19m | 5:45AM2.10m | 5:52PM2.12m | 6:02AM2.19m | 6:12PM1.99m | 6:23AM2.24m | 6:31PM1.80m | 6:48AM2.20m | 6:49PM1.56m | |||||||
Low Tide | 11:17PM0.26m | 11:04AM0.46m | 11:30PM0.30m | 11:25AM0.39m | 11:42PM0.33m | 11:47AM0.34m | 11:54PM0.35m | 12:13PM0.32m | 00:08AM0.35m | 12:41PM0.36m | 00:23AM0.36m | 1:12PM0.47m | 00:37AM0.39m | |||||||
 |  |  | | | | | | | | | | |  | | | | | |  | |
 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — |
 | 5:52 | — | — | 5:53 | — | — | 5:54 | — | — | 5:54 | — | — | 5:55 | — | — | 5:57 | — | — | 5:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 18 | 16 | 18 | 17 | 13 | 16 | 16 | 13 | 16 | 16 | 16 | 17 | 18 | 13 | 12 | 12 | 12 | 14 | 15 | 13 |
Feels °C | 17 | 13 | 17 | 14 | 11 | 14 | 13 | 9 | 14 | 15 | 13 | 10 | 14 | 11 | 9 | 8 | 6 | 9 | 11 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 11 | SW 10 | SW 12 | SW 9 | W 8 | W 8 | W 8 | W 9 | W 9 | W 4 | W 8 | — | SW 14 | SW 13 | WSW 5 | W 5 | WSW 8 |
| kJ | 4 | 4 | 4 | 4 | 4 | 5 | 3 | 1 | 1 | 1 | 2 | 2 | 3 | 4 | — | 8 | 7 | 9 | 4 | 6 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 14 | S 14 | — | — | — | — | — | — | — | — | S 15 | W 9 | S 14 | W 8 | — | — | — | SW 7 | SW 11 |
| kJ | 9 | 8 | 4 | — | — | — | — | — | — | — | — | 5 | 2 | 4 | 1 | — | — | — | 2 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 15 | — | S 15 | — | — | — | SW 9 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | 4 | — | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 2 | — | — | ESE 2 | — | — | NNE 2 | N 4 | N 4 | NW 4 | W 4 | W 4 | W 6 | NNW 3 | N 3 | W 4 |
| kJ | — | — | — | — | 1 | — | — | 1 | — | — | 1 | 28 | 16 | 6 | 7 | 15 | 72 | 3 | 1 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 136 | 41 | 41 | 136 | 41 | 41 | 136 | 41 | 41 | 41 | 41 | 541 | 41 | 452 | 41 | 41 | 135 | 616 | 1049 | 1047 |
Best forecast wave conditions in Adelaide | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the South Moana Reefs Surf forecast
The above surf forecast table for South Moana Reefs provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at South Moana Reefs can be found by selecting the local surf guide option on the grey menu. Our South Moana Reefs 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 (South Moana Reefs) 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 South Moana Reefs 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.
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