Surf Forecasts:
Seaford Reef surf forecast from 21 Aug 2026:
- Most powerful swell: Tuesday 25 Aug, 9PM (local time) - 2ft (0.6m), 5s period, SW swell with 18 kJ wave energy.
Best Forecast Surf Conditions for Seaford Reef this week:
The most powerful waves expected at Seaford Reef in the next 16 days are 0.6m 5s and forecast to arrive on Tuesday (Aug 25) 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 0.4m 3s period and expected on Friday (Aug 28) at 6PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Tue 25th Aug) | 2ft (0.6m) 5s |
Table - best surf conditions forecast for Seaford Reef over the next 16 days.
The Lowdown
Gutted, mate. I’ve been staring at the charts for the next couple of weeks, and honestly, it’s a tough stretch for anyone wanting to get a wave in. The whole 16-day window is basically a write-off, and that’s a hard thing to say. There are no surfable options on the table at Seaford Reef, and that’s the only spot we’ve got to look at. The energy just isn’t there.
We’re looking at a long, flat spell starting now. It’s not until around the 21st of August that anything even registers, but even then, we’re talking about tiny, short-period leftovers. The swell is barely a ripple, with the combined energy of all swells directed here only hitting a weak 19 early on. It’s a “poor surf conditions” call through and through, and that trend just continues day after day. The water temp is sitting at 58°F at the start, which is about normal for the time of year, so you can’t even blame a crazy current for this flatness.
The first ten days or so are just a graveyard. You get mornings and afternoons with a bit of wind, but the swell is just non-existent. There are a few moments where the breeze swings offshore, like on the 24th, but the wave height is a pathetic 0.3ft with a period of 9 seconds. That’s not a wave, that’s a ripple. The wind might be clean, but there’s nothing to ride.
It stays bleak right through the end of August. We get some periods hitting 15-16 seconds on the 28th, which suggests a bit of direction, but the height is still stuck at 0.3ft. A long-period pulse like that with no height is a tease. You see the numbers and get a little excited, but then you remember you'd need a microscope to see the wave face.
We’re looking at a dead stretch for at least the first ten days, maybe more. There’s no way around it. It's not until the 5th of September that we see any real wind, but it's a strong onshore blow from the south at 22 mph, which is just going to chop up an already flat ocean. That’s not surf, that’s just messy water.
Honestly, the only thing that might be worth your time is if you’ve got a kite. With the swell this small and the wind firing from the south on the 4th and 5th of September, the setup looks far more interesting for kite surfing than paddle surfing. The water will be lumpy and blown out, but a kite doesn't care about that. For a surfer, it's a blank run. Sometimes that’s just the way it goes for a while, but with Seaford Reef being as inconsistent as it is anyway, this isn't a huge surprise. Forecasts can change, but right now, I’d find something else to do for the next couple of weeks.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Mon morning, min 11°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 14mm), heaviest on Mon night. Very mild (max 15°C on Thu morning, min 10°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | ||||||||||||||
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 | W 4 | W 4 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | SW 9 | SW 9 | W 9 | W 9 | SSW 4 | SW 5 | SW 4 | SW 10 | SW 9 | WSW 9 | WSW 8 | WSW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 8 | 10 | 9 | 7 | 14 | 7 | 6 | 5 | 3 | 3 | 2 | 1 | 10 | 8 | 4 | 4 | 3 | 8 | 7 | 15 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | on | off | cross | cross-on | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-off | cross | cross | cross-off |
High Tide | 7:12PM1.28m | 8:46AM1.67m | 5:42PM1.10m | 10:25AM1.45m | 6:54AM1.14m | 2:46PM1.58m | 4:49AM1.25m | 3:31PM1.78m | 4:46AM1.42m | 4:03PM1.96m | 4:56AM1.59m | 4:31PM2.09m | ||||||||
Low Tide | 1:23AM0.54m | 3:41PM1.08m | 00:57AM0.68m | 10:53PM0.67m | 7:22AM1.14m | 10:20PM0.49m | 9:14AM0.95m | 10:29PM0.34m | 9:51AM0.77m | 10:46PM0.25m | 10:19AM0.64m | 11:03PM0.23m | ||||||||
 |  |  | |  | | | |  |  |  | | | | | | | | | | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:43 | — | — |
 | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — |
mm | — | — | — | — | — | — | — | — | — | 5 | 9 | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 13 | 12 | 15 | 15 | 15 | 18 | 13 | 13 | 14 | 14 | 12 | 12 | 13 | 12 | 15 | 16 | 16 |
Feels °C | 10 | 11 | 11 | 12 | 11 | 12 | 13 | 12 | 15 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 10 | 11 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | WSW 5 | WSW 8 | WSW 8 | WSW 8 | W 8 | SW 9 | N 3 | N 3 | W 9 | SW 16 | SW 8 | SW 4 | SW 10 | — | WSW 9 | WSW 8 | WSW 9 |
| kJ | 8 | 8 | 7 | 4 | 14 | 7 | 6 | 5 | 3 | 1 | 1 | 1 | 9 | 3 | 4 | 4 | — | 8 | 7 | 15 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 15 | SW 14 | WSW 8 | SW 14 | — | SW 11 | SW 10 | — | SW 9 | W 9 | — | W 8 | SW 14 | SW 7 | — | SW 9 | — | S 20 | — |
| kJ | 7 | 9 | 8 | 7 | 8 | — | 5 | 4 | — | 3 | 2 | — | 1 | 8 | 2 | — | 3 | — | 8 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 14 | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | SW 18 |
| kJ | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 12 |
Wind waves Height (m) Direction Period (s) | W 5 | W 4 | W 4 | — | — | NNE 2 | N 3 | — | NNE 3 | — | — | — | SSW 4 | SW 5 | — | WSW 5 | — | N 3 | NNW 3 | — |
| kJ | 4 | 10 | 9 | — | — | 1 | 1 | — | 2 | — | — | — | 10 | 7 | — | 2 | — | 5 | 4 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 43 | 43 | 43 | 135 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 454 | 610 | 44 | 43 | 43 | 43 | 43 | 43 | 43 |
Best forecast wave conditions in Adelaide | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Seaford Reef Surf forecast
The above surf forecast table for Seaford Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Seaford Reef can be found by selecting the local surf guide option on the grey menu. Our Seaford Reef 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 (Seaford Reef) 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 Seaford Reef 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.
Seaford Reef is 7 km (4 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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