Surf Forecasts:
Seaford Reef surf forecast from 14 Aug 2026:
- Most powerful swell: Friday 21 Aug, 12AM (local time) - 5ft (1.5m), 6s period, SW swell with 131 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 1.5m 6s and forecast to arrive on Friday (Aug 21) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Aug 18) at 6PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12AM (Fri 21st Aug) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Seaford Reef over the next 16 days.
The Lowdown
Alright, let’s cut to the chase. The next couple of weeks are looking pretty grim around here. We’ve got a lot of flat water and a lot of wrong wind, so don’t go getting your hopes up.
The only spot in the mix is Seaford Reef, a sheltered little reef that doesn't break all that often anyway. Water temp is 57°, which is pretty standard for this time of year.
We're starting with a real dry spell. From Friday the 14th through Tuesday the 19th, it’s basically flat. There are a few tiny, weak pulses, but nothing with any push. The wind is sometimes in your favor, but the swell is just too small to matter. You’d be wasting your time.
We finally get a little something on Thursday the 20th, with a weak 3ft swell from the north, but it’s got a terrible 4-second period and onshore wind. It’s gonna be junky. Friday the 21st is similar, 3ft from the WSW, but again, that short period just makes for a messy, choppy surface.
Then we get our one true standout of the whole window. Sunday the 23rd afternoon. It’s not huge, but we’re looking at a 5ft swell from the WSW with a moderate 106 combined energy. The wind will be light and a little onshore, making it a bit lumpy, but it’s the most powerful swell we see all period. The morning of that day looks promising too, with glassy conditions and a smaller 2ft WNW groundswell. If you can only get out once, make it Sunday the 23rd.
After that, it’s back to the poorhouse. There’s a bit of north swell around the 25th with 3-4ft waves, but the period is weak and the wind gets messy. We finish out the window with tiny, weak surf and a lot of onshore wind, right through to Saturday the 29th. That 45 km/h north-northwest blow on Wednesday the 26th will make the ocean a total mess.
So, keep the board in the car and the expectations low. Sunday the 23rd is the only real chance for a wave. The rest is a whole lot of nothing.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Mon morning, min 11°C on Sun afternoon). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 16°C on Mon afternoon, min 11°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 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 8 | WSW 8 | WSW 8 | WSW 8 | SW 14 | W 8 | W 8 | W 8 | SW 13 | SW 13 | SW 14 | SW 13 | W 10 | SW 10 | W 12 | SW 14 | SW 13 | N 4 | WSW 10 | SW 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 13 | 6 | 7 | 7 | 8 | 1 | 1 | 1 | 7 | 7 | 8 | 7 | 2 | 4 | 3 | 8 | 7 | 22 | 9 | 131 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross-on | on | cross |
High Tide | 5:34PM2.09m | 5:55AM1.69m | 5:51PM2.04m | 6:04AM1.83m | 6:04PM1.97m | 6:18AM1.97m | 6:18PM1.89m | 6:37AM2.06m | 6:33PM1.80m | 7:02AM2.08m | 6:51PM1.66m | 7:31AM2.02m | 7:07PM1.49m | |||||||
Low Tide | 11:59PM0.36m | 11:36AM0.48m | 00:04AM0.41m | 11:57AM0.46m | 00:10AM0.41m | 12:20PM0.47m | 00:20AM0.38m | 12:45PM0.52m | 00:35AM0.35m | 1:13PM0.60m | 00:53AM0.35m | 1:45PM0.73m | 1:12AM0.42m | |||||||
 |  |  | |  | | | | | | |  |  | | | |  | | | | |
 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 5:43 | — | — | 5:44 | — | — | 5:44 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 17 | 16 | 14 | 16 | 16 | 15 | 15 | 14 | 12 | 14 | 14 | 11 |
Feels °C | 13 | 13 | 11 | 11 | 9 | 9 | 8 | 9 | 13 | 13 | 11 | 11 | 12 | 10 | 13 | 13 | 11 | 11 | 11 | 9 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | W 8 | W 8 | W 8 | SW 13 | SW 13 | SW 14 | W 10 | W 10 | SW 10 | W 12 | SW 14 | SW 13 | SW 10 | WSW 10 | — |
| kJ | 13 | 6 | 7 | 7 | 3 | 1 | 1 | 1 | 7 | 7 | 8 | 2 | 2 | 4 | 3 | 8 | 7 | 4 | 9 | — |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | SW 14 | S 14 | S 14 | S 14 | — | — | W 10 | SW 13 | S 13 | — | — | — | — | SW 13 | W 4 | — |
| kJ | 5 | 5 | 4 | 5 | 8 | 4 | 4 | 4 | — | — | 2 | 7 | 3 | — | — | — | — | 6 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SE 2 | SE 3 | — | — | — | — | — | NNE 4 | NNE 3 | N 3 | N 4 | NNE 3 | NNW 3 | NNE 3 | N 4 | NNW 4 | SW 6 |
| kJ | — | — | — | 1 | 2 | — | — | — | — | — | 7 | 7 | 6 | 11 | 3 | 3 | 1 | 22 | 9 | 131 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 72 | 43 | 43 | 141 | 44 | 135 | 139 | 43 | 43 | 44 | 44 | 44 | 44 | 43 | 43 | 50 | 43 | 43 | 447 | 44 |
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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