Surf Forecasts:
The groyne surf forecast from 28 Aug 2026:
- Best quality surf: Saturday 29 Aug, 4AM (local time) - 2.5ft (0.8m), 5s period, SE swell with cross-offshore winds.
- Most powerful swell: Saturday 29 Aug, 1AM (local time) - 3.5ft (1.1m), 12s period, SE swell with 314 kJ wave energy.
- Next surfable swell (1★+): Saturday 29 Aug, 4AM (local time) - 2.5ft (0.8m), 5s period with SE swell.
Best Forecast Surf Conditions for The groyne this week:
The surf forecast for The groyne over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 4AM. The primary swell is predicted to be 0.8m and 5s period with a secondary swell of 0.7m and 5s. Another secondary swell of 0.5m and 8s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at The groyne in the next 16 days are 1.1m 12s and forecast to arrive on Saturday (Aug 29) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Sep 04) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 29th Aug) | 2.5ft (0.8m) 5s |
| Best Surf | 4AM (Sat 29th Aug) | 2.5ft (0.8m) 5s |
| Most Powerful | 1AM (Sat 29th Aug) | 3.5ft (1.1m) 12s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s take a look at what we’ve got for The Groyne over the next stretch.
Truth is, this is a pretty grim run for a while. The first week or so is mostly a write-off, with poor surf conditions day after day and scores to match. We’ve got a bit of a gap where there’s not much worth paddling out for.
Friday 28 August through to Monday 1 September is all messy, with onshore and cross-shore winds, small weak swell, and chop. Nothing doing there.
Tuesday 2 September morning finally shows a glimmer – glassy conditions, a light northerly breeze, and a tiny 2 ft easterly swell with a 10-second period. The energy is weak (63), but those glassy conditions will make it look better than it is. Still, it’s pretty ordinary and only for the dedicated. That window of clean conditions is short-lived as the wind swings around by the afternoon.
Wednesday 3 September morning repeats the same trick – glassy, 1 ft easterly swell, 9-second period, very weak energy (51). Again, it’s surfable but only just. These are really small, marginal days for a longboard or a foiler.
Then we hit another dead patch from 4 September through to 6 September with tiny, weak swell and cross-shore winds. Not worth the effort.
Monday 7 September sees a spike in energy – we get a 6 ft SSE swell in the morning (451 energy) but with cross-on winds and choppy conditions. By the afternoon, it jumps to a solid 10 ft from the SE with a massive energy reading of 1255, but it’s still cross-on and choppy. That’s expert-only territory, and honestly, it looks more like a kiteboarding day than a paddle session. The swell is too big for beginners, and the quality is poor.
Tuesday 8 September morning is the closest thing to a standout in the whole outlook: a 5 ft SE swell (255 energy) with light northerly cross-shore wind and clean conditions. The wind is light, so it won't be too chopped up, but the swell period is only 7 seconds, so it’s a short-period windswell. The break is a reef, so it might shape up okay for an intermediate.
From 9 September onwards, we’re back to small, weak, and choppy or straight-on winds. Thursday 10 September morning offers another glassy window with a tiny 2 ft ESE swell and very weak energy (55) – again, clean but extremely small.
Overall, if you’re desperate for a paddle, the glassy mornings on 2, 3, and 10 September are your best bet for clean but tiny waves. The only real size comes on 7 September, but it’s messy and better suited to a kite. The water temp is 69°F, which is about average for this time of year.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 20°C on Fri morning, min 15°C on Sat night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm (max 20°C on Tue morning, min 16°C on Tue night). Winds decreasing (fresh winds from the SSE on Mon morning, calm by Tue night). | ||||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | |||||||||||||||
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) | E 7 | ESE 7 | SE 12 | ESE 5 | ESE 6 | SE 5 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | NNE 5 |
Wave Graph | |||||||||||||||||||||
70 | 105 | 314 | 45 | 53 | 71 | 313 | 212 | 124 | 157 | 219 | 69 | 55 | 50 | 47 | 47 | 87 | 42 | 27 | 28 | 41 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-on | cross-off | glassy | cross-on | cross-off |
High Tide | 8:11PM1.82m | 8:34AM1.47m | 8:43PM1.79m | 9:09AM1.54m | 9:15PM1.71m | 9:47AM1.58m | 9:50PM1.59m | 10:30AM1.60m | 10:27PM1.43m | 11:20AM1.59m | 11:09PM1.26m | 12:22PM1.56m | 00:04AM1.09m | ||||||||
Low Tide | 1:47PM0.24m | 2:37AM0.17m | 2:25PM0.24m | 3:06AM0.15m | 3:05PM0.27m | 3:35AM0.15m | 3:48PM0.33m | 4:08AM0.17m | 4:37PM0.42m | 4:45AM0.20m | 5:36PM0.52m | 5:28AM0.25m | 6:55PM0.61m | ||||||||
6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | |
— | 5:31 | — | — | 5:31 | — | — | 5:32 | — | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:35 | — | |
mm | — | — | — | — | — | 2 | — | — | — | 1 | 2 | 4 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 19 | 19 | 17 | 19 | 19 | 18 | 19 | 19 | 18 | 20 | 19 | 18 | 20 | 20 | 18 | 23 | 21 | 19 |
Feels °C | 17 | 16 | 17 | 16 | 16 | 15 | 14 | 15 | 15 | 14 | 15 | 17 | 18 | 17 | 18 | 18 | 18 | 16 | 21 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 12 | ESE 5 | E 8 | E 8 | E 8 | ENE 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 10 | E 6 | E 5 | E 10 | E 10 | NE 4 | ENE 6 | E 9 | E 9 |
70 | 3 | 20 | 35 | 36 | 33 | 31 | 39 | 24 | 23 | 21 | 11 | 50 | 40 | 21 | 47 | 87 | 12 | 21 | 28 | 28 | |
Swell 2 Height (m) Direction Period (s) | SE 7 | E 16 | E 8 | SE 11 | SE 10 | E 10 | ENE 10 | NE 10 | SE 10 | — | E 12 | E 11 | SE 18 | E 10 | E 10 | E 5 | NE 8 | E 9 | E 9 | SE 8 | NE 8 |
46 | 5 | 33 | 5 | 4 | 2 | 19 | 4 | 4 | — | 3 | 21 | 12 | 50 | 47 | 14 | 2 | 42 | 27 | 3 | 2 | |
Swell 3 Height (m) Direction Period (s) | NE 8 | SE 15 | NE 7 | NE 6 | NE 10 | E 10 | NE 10 | — | NE 13 | E 12 | NE 12 | SE 19 | NE 12 | SE 16 | NE 12 | NE 7 | SE 11 | ENE 6 | SE 8 | NE 10 | NE 10 |
10 | 9 | 7 | 2 | 4 | 2 | 4 | — | 7 | 3 | 6 | 15 | 6 | 10 | 5 | 2 | 5 | 12 | 3 | 4 | 4 | |
Wind waves Height (m) Direction Period (s) | — | ESE 7 | SE 12 | ESE 5 | ESE 6 | SE 5 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | — | — | — | NE 3 | — | — | NE 4 | NNE 5 |
— | 105 | 314 | 45 | 53 | 71 | 313 | 212 | 124 | 157 | 219 | 69 | 55 | — | — | — | 3 | — | — | 16 | 41 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1 | 47 | 1 | 47 | 47 | 152 | 157 | 47 | 30 | 13 | 47 | 47 | 13 | 13 | 0 | 0 | 19 | 0 | 0 | 412 | 38 |
Best forecast wave conditions in Sunshine Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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Information about the The groyne Surf forecast
The above surf forecast table for The groyne provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The groyne can be found by selecting the local surf guide option on the grey menu. Our The groyne 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 (The groyne) 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 The groyne 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.











