Surf Forecasts:
South Port Adelaide surf forecast from 7 Aug 2026:
- Most powerful swell: Tuesday 11 Aug, 12PM (local time) - 5.5ft (1.7m), 6s period, N swell with 183 kJ wave energy.
Best Forecast Surf Conditions for South Port Adelaide this week:
The most powerful waves expected at South Port Adelaide in the next 16 days are 1.7m 6s and forecast to arrive on Tuesday (Aug 11) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 8s period and expected on Sunday (Aug 09) at 6PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Tue 11th Aug) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for South Port Adelaide over the next 16 days.
The Lowdown
Alright, Rusty here, and I gotta be straight with you: we’re looking at a pretty grim stretch ahead for South Port Adelaide. The 16-day window is a bust, plain and simple. There’s not a single session I’d tell you to paddle out for. The ocean’s just not cooperating.
The forecast kicks off with a total dud. Friday, August 7th, we’ve got a pathetic 0.3 ft of swell with a long 14-second period, and a cross-shore wind that’s not doing anyone any favors. The wave energy is feeble (12). It’s the same story through the weekend and into the next week. We get a little bump of 4 ft to 5 ft from the north on Saturday and Sunday, but it’s short-period windswell (4 to 6 seconds), and the wind is howling. The combined energy gets up to 161 (moderate), but the ‘poor surf conditions’ tag is spot on. It’s just lumpy, messy, and un-rideable. By Sunday afternoon the wind is screaming onshore at 34 mph.
The whole first week is a write-off. Tuesday the 11th sees a bit more energy (169) with 5 ft from the north, but again, it’s a short-period, onshore mess. Then we hit a big dead zone from Wednesday the 12th through to August 20th, with several days of zero swell and flat, glassy conditions. A few tiny 0.3 ft pulses of long-period SW groundswell start showing up from the 16th, with the wind going light and offshore or glassy, and the water is dead calm. The combined energy is barely a whisper (4-17). It’s beautiful, clean, and flat as a pancake.
The only real stand-out in the whole outlook is the very end. On Thursday, August 21st, by the afternoon, we get a clean 5 ft from the WSW with a light offshore breeze. The energy is moderate (139). That’s *the* window. But let’s be real, South Port Adelaide is an inconsistent, sheltered beginner spot that rarely fires. It’s not a place that handles this kind of surf well. The best you can hope for is a tiny, clean ankle-biter at the end of the month. The water is sitting around 57°, which is about normal for this time of year, no surprise there.
Frankly, if you’re desperate for a paddle, wait for that last Friday morning or the glassy conditions on the 18th or 19th, but don’t expect a wave. For the first half of the outlook, with the strong winds and poor quality, it’s more of a kite-surfing setup than a paddle-surfing one. A tough run for the local crew.
Rusty.
Short Range ForecastHeavy rain (total 21mm), heaviest during Sun night. Very mild (max 16°C on Fri afternoon, min 11°C on Sun afternoon). Winds increasing (light winds from the NNE on Fri afternoon, near gales from the W by Sun afternoon). | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Tue night. Very mild (max 16°C on Tue afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the W on Wed morning, light winds from the WSW by Wed night). | ||||||||||||||||||||
Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||
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 14 | N 3 | NNW 4 | N 4 | N 5 | N 5 | NNW 6 | W 8 | WSW 8 | WSW 6 | W 6 | NNW 3 | NNW 5 | N 6 | W 7 | W 7 | WSW 8 | WSW 7 | WSW 9 | WSW 5 | W 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8 | 8 | 15 | 48 | 77 | 92 | 155 | 0 | 0 | 0 | 62 | 5 | 123 | 169 | 0 | 0 | 0 | 0 | 0 | 7 | 12 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-off | cross | cross-off | cross | on | cross-on | cross-on | on | cross | cross | cross | cross-on | on | on | cross-on | on | on | cross-on |
High Tide | 7:41PM1.15m | 9:43AM1.69m | 1:49PM1.61m | 6:13AM1.17m | 3:25PM1.80m | 5:30AM1.24m | 4:11PM1.97m | 5:31AM1.34m | 4:46PM2.08m | 5:39AM1.45m | 5:13PM2.11m | ||||||||||
Low Tide | 3:31PM0.97m | 1:37AM0.69m | 11:57PM0.69m | 10:54PM0.49m | 8:34AM1.14m | 11:01PM0.32m | 9:43AM0.93m | 11:20PM0.23m | 10:21AM0.75m | 11:37PM0.23m | 10:50AM0.61m | 11:51PM0.29m | |||||||||
 |  |  | |  |  | | | | | |  | | |  |  | | | | | | |
 | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — |
 | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:42 | — |
mm | — | 1 | 2 | 2 | — | 8 | 1 | 3 | 4 | — | — | — | — | — | 13 | 1 | 1 | — | — | — | 1 |
Temp °C | 15 | 16 | 16 | 15 | 14 | 13 | 13 | 11 | 13 | 12 | 13 | 12 | 15 | 16 | 11 | 12 | 13 | 12 | 12 | 13 | 13 |
Feels °C | 11 | 12 | 11 | 9 | 7 | 7 | 8 | 0 | 5 | 6 | 8 | 7 | 7 | 7 | 4 | 3 | 4 | 8 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | W 5 | WSW 10 | SW 10 | W 10 | W 9 | W 10 | SW 13 | — | — | — | SW 10 | W 5 | W 6 | W 6 | — | — | — | — | WSW 5 | WSW 9 | WSW 9 |
| kJ | 1 | 10 | 4 | 2 | 2 | 2 | 6 | — | — | — | 25 | 14 | 33 | 27 | — | — | — | — | 28 | 33 | 16 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 15 | S 16 | S 15 | SW 14 | — | — | — | — | — | WSW 9 | — | WSW 9 | — | — | — | — | WSW 9 | — | — |
| kJ | 8 | 8 | 9 | 5 | 4 | 7 | — | — | — | — | — | 16 | — | 15 | — | — | — | — | 33 | — | — |
Swell 3 Height (m) Direction Period (s) | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | N 3 | NNW 4 | N 4 | N 5 | N 5 | NNW 6 | W 8 | WSW 8 | WSW 6 | W 6 | NNW 3 | NNW 5 | N 6 | W 7 | W 7 | WSW 8 | WSW 7 | — | WSW 5 | W 5 |
| kJ | 2 | 6 | 15 | 48 | 77 | 92 | 155 | 1599 | 1298 | 212 | 62 | 5 | 123 | 169 | 713 | 696 | 1616 | 302 | — | 7 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 45 | 45 | 45 | 45 | 151 | 45 | 45 | 45 | 507 | 846 | 135 | 45 | 619 | 618 | 963 | 619 | 619 | 1135 | 612 | 139 | 46 |
Best forecast wave conditions in Adelaide | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the South Port Adelaide Surf forecast
The above surf forecast table for South Port Adelaide provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at South Port Adelaide can be found by selecting the local surf guide option on the grey menu. Our South Port Adelaide 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 Port Adelaide) 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 Port Adelaide 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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