Surf Forecasts:
The groyne surf forecast from 28 Aug 2026:
- Best quality surf: Wednesday 2 Sep, 1AM (local time) - 1.5ft (0.5m), 10s period, E swell with cross-offshore winds.
- Most powerful swell: Sunday 30 Aug, 10AM (local time) - 6ft (1.8m), 7s period, SE swell with 275 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 1AM (local time) - 1.5ft (0.5m), 10s period with E 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 Wednesday (Sep 02) at 1AM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.6m and 6s. 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 1.8m 7s and forecast to arrive on Sunday (Aug 30) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Friday (Sep 04) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 2nd Sep) | 1.5ft (0.5m) 10s |
| Best Surf | 1AM (Wed 2nd Sep) | 1.5ft (0.5m) 10s |
| Most Powerful | 10AM (Sun 30th Aug) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, Rusty here, let’s have a look at what The Groyne has got cookin’.
This is a reef break that’s fairly consistent and takes swell from the SE, which is its optimum direction. It’s an intermediate spot. Look, I gotta be straight with ya – these first ten days or so are pretty grim for a paddle. There’s a long stretch from Saturday the 29th of August all the way through to the end of that first week where the wind is a constant problem – mostly cross-onshore and strong, creating bumpy, chopped-out conditions. The water temp anomaly doesn’t tell me anything special, so it’s about what you’d expect for this time of year. Swell energy is weak to moderate in that first week (mostly under 200), with the biggest push being a 6ft SE swell on Sunday the 30th, but that’s ruined by a 19 mph cross-onshore wind. Don’t even bother.
We finally get a flicker of hope on the morning of Wednesday, the 2nd of September. The wind goes glassy – absolute magic for a reef – but the swell is tiny, just 2ft from the East with a period of 10 seconds. The combined energy is only 64 (weak). The comment calls it "surfable waves but very ordinary conditions". It’s not a standout, but if you’re desperate, you could catch a few tiny ones. Thursday the 3rd of September morning is clean with a light cross-offshore breeze, but again, it’s small at 2ft.
The truth is, the real action doesn’t pop until the second week, and it’s a bit of a tease. The standout window looks to be Wednesday, the 9th of September afternoon. The wind swings offshore from the WSW at 12 mph, and we’ve got a clean 6ft swell from the SE with a period of 6 seconds. Combined energy is a solid moderate 243. That’s the best combo we get – clean offshore lines on a reef. This is your pick. Good shape and power for an intermediate.
Thursday the 10th of September morning pushes some size – 8ft from the SE, but the wind is cross-offshore and it’s flagged as marginal, energy is high at 484 (moderate to strong), so it’ll be big and a bit unruly. That’s a lot of water moving. Possibly only for the experienced crew.
After that, things taper off. Saturday the 12th of September morning has glassy conditions with a 5ft swell, but the crowd factor says "sometimes", so you might have company on the peak.
Overall, there’s a long, frustrating gap of dead or blown-out days at the start. The only true stand-out is that Wednesday afternoon session on the 9th. Keep an eye on the Thursday morning too, but be ready for a big, angry sea. The rest is pretty forgettable.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Very mild (max 19°C on Sat morning, min 16°C on Sat night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm (max 25°C on Thu morning, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 8 | SE 5 | ESE 6 | SE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | E 6 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | NE 7 | NE 7 | NNE 5 |
Wave Graph | |||||||||||||||||||
33 | 35 | 63 | 89 | 275 | 226 | 128 | 80 | 127 | 35 | 50 | 50 | 46 | 47 | 45 | 42 | 34 | 54 | 37 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | on | cross-off | glassy | cross | cross-off | cross-off | cross | cross-off |
High Tide | 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 | 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 | |||||||
— | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | |
— | — | 5:31 | — | — | 5:32 | — | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:35 | — | |
mm | — | — | — | 1 | — | — | — | 1 | 2 | 5 | 2 | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 18 | 18 | 19 | 19 | 19 | 17 | 18 | 18 | 19 | 19 | 18 | 21 | 21 | 18 | 25 | 22 | 21 |
Feels °C | 17 | 16 | 15 | 16 | 14 | 15 | 16 | 15 | 16 | 17 | 19 | 18 | 17 | 19 | 19 | 16 | 22 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 8 | E 6 | ESE 5 | E 10 | E 6 | E 10 | E 10 | NE 4 | NE 7 | E 9 | E 9 |
33 | 35 | 35 | 33 | 36 | 39 | 38 | 23 | 22 | 35 | 39 | 50 | 22 | 47 | 45 | 15 | 34 | 27 | 27 | |
Swell 2 Height (m) Direction Period (s) | NE 7 | SE 11 | SE 10 | SE 10 | ENE 10 | NE 10 | SE 10 | SE 10 | E 12 | E 8 | E 10 | — | E 10 | E 6 | ENE 7 | E 9 | E 9 | SE 9 | NE 7 |
7 | 5 | 4 | 4 | 19 | 4 | 4 | 4 | 3 | 11 | 50 | — | 46 | 15 | 5 | 42 | 27 | 3 | 9 | |
Swell 3 Height (m) Direction Period (s) | ESE 12 | NE 6 | NE 10 | E 10 | NE 10 | — | E 13 | — | — | E 11 | E 17 | SSE 6 | NE 8 | NE 8 | SE 10 | ENE 7 | SE 10 | NE 11 | SE 10 |
15 | 2 | 4 | 2 | 4 | — | 3 | — | — | 21 | 6 | 12 | 2 | 2 | 4 | 5 | 4 | 4 | 4 | |
Wind waves Height (m) Direction Period (s) | ESE 5 | SE 5 | ESE 6 | SE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | E 5 | E 6 | — | — | NE 5 | NW 2 | — | NE 7 | NNE 5 |
23 | 28 | 63 | 89 | 275 | 226 | 128 | 80 | 127 | 25 | 25 | 30 | — | — | 23 | 1 | — | 54 | 37 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 47 | 47 | 15 | 157 | 47 | 15 | 47 | 47 | 13 | 1 | 47 | 0 | 0 | 26 | 0 | 0 | 173 | 96 |
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.











