Surf Forecasts:
The groyne surf forecast from 7 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 7AM (local time) - 4.5ft (1.3m), 8s period, SSE swell with cross-offshore winds.
- Most powerful swell: Thursday 10 Sep, 1PM (local time) - 10ft (3.0m), 8s period, SE swell with 1,082 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 7AM (local time) - 2ft (0.6m), 8s period with ENE 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 Tuesday (Sep 08) at 7AM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.3m and 5s. 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 3.0m 8s and forecast to arrive on Thursday (Sep 10) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Tue 8th Sep) | 2ft (0.6m) 8s |
| Best Surf | 7AM (Wed 9th Sep) | 4.5ft (1.3m) 8s |
| Most Powerful | 1PM (Thu 10th Sep) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at the 16-day picture for The Groyne. Honestly, this is a tough stretch. The forecast is pretty grim with very few windows of anything worthwhile, and long gaps where you’d be better off doing something else.
The first real surfable moment doesn’t come until Tuesday, September 15th. After a long, blank run of blown-out, messy, and even dangerous conditions, we finally get a little something. On Tuesday morning, the wind drops to glassy, and we’re looking at a tiny 3ft swell from the east with a short period (6 seconds). The combined energy is weak (80), so it’s not going to have any punch, but for the first time in the outlook, the surface is clean. It’s surfable, but very ordinary. The groyne is a reef setup, so with that short period, it might be a bit fat and slow. The rest of that day and the days following are back to poor conditions with onshore or cross-shore winds.
The biggest swell of the window hits much earlier, from Thursday, September 10th through to Saturday, September 12th, with heights pushing 10ft. But the wind is a disaster – strong cross and cross-onshore, creating a horrible, lumpy chop. The energy is strong (up to 1008), but with these winds, it’s a total mess. That setup is more interesting for kite surfing than paddle surfing, to be honest.
After the 15th, it’s more of the same – poor conditions, lumpy water, and weak, short-period energy. The longest gap is a solid 8 days from the start until that Tuesday morning glass-off. There’s a tiny blip on Saturday, September 20th, with a 5ft swell from the southeast, but the wind is a moderate cross-shore, creating a cross-chop, so it’s still a write-off.
So, the only standout, if you can call it that, is that Tuesday morning, September 15th. It’s not going to be a world-beater, but with glassy conditions, it’s the cleanest the water will be. Bring a longboard and expect small, weak waves. Keep your hopes low, and you might snag a few fun ones.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 20°C on Tue morning, min 16°C on Tue night). Winds increasing (calm on Mon night, strong winds from the SSE by Thu morning). | Days 5-7 Weather SummaryHeavy rain (total 26mm), heaviest during Fri morning. Warm (max 20°C on Sat morning, min 15°C on Thu night). Mainly fresh winds. | ||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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) | ENE 8 | ENE 7 | SE 6 | SE 6 | SE 5 | ESE 5 | ESE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 39 | 37 | 133 | 141 | 34 | 19 | 46 | 878 | 1004 | 537 | 588 | 487 | 394 | 394 | 355 | 217 | 161 | 149 | 94 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 5:49AM1.15m | 6:16PM1.89m | 6:39AM1.31m | 7:00PM1.93m | 7:22AM1.45m | 7:40PM1.91m | 8:04AM1.56m | 8:17PM1.84m | 8:43AM1.63m | 8:51PM1.73m | 9:23AM1.66m | 9:23PM1.59m | |||||||
Low Tide | 00:13AM0.31m | 11:29AM0.23m | 00:54AM0.22m | 12:24PM0.17m | 1:31AM0.16m | 1:14PM0.14m | 2:05AM0.12m | 2:00PM0.16m | 2:38AM0.11m | 2:43PM0.23m | 3:09AM0.13m | 3:26PM0.32m | 3:40AM0.16m | ||||||
 |  | | | |  |  |  | | | |  | | | | | | | | |
 | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — |
 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — |
mm | — | — | — | — | — | — | 3 | 1 | — | 2 | 3 | 4 | 5 | 2 | — | 5 | 4 | 1 | 1 |
Temp °C | 18 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 20 | 19 | 17 | 19 | 19 | 19 |
Feels °C | 19 | 18 | 14 | 16 | 18 | 17 | 17 | 10 | 11 | 11 | 13 | 13 | 13 | 14 | 14 | 14 | 16 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 7 | NE 7 | E 9 | SE 5 | ESE 5 | ESE 8 | E 15 | E 14 | — | — | E 14 | E 14 | E 14 | E 14 | E 14 | NE 9 | NE 8 | NE 8 |
| kJ | 39 | 37 | 14 | 14 | 34 | 19 | 46 | 4 | 4 | — | — | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | SE 5 | SE 6 | E 9 | NE 7 | SE 8 | E 9 | E 8 | — | — | — | — | — | E 15 | E 12 | NE 15 | E 13 | E 13 | E 13 | E 13 |
| kJ | 7 | 6 | 15 | 7 | 15 | 14 | 12 | — | — | — | — | — | 5 | 3 | 8 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 7 | E 6 | E 9 | SE 8 | ESE 13 | — | — | — | — | — | — | — | — | — | SE 20 | SE 21 | E 10 |
| kJ | 15 | 15 | 1 | 1 | 14 | 10 | 17 | — | — | — | — | — | — | — | — | — | 16 | 17 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | SE 6 | SE 6 | — | — | — | SE 7 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | E 6 |
| kJ | — | — | 133 | 141 | — | — | — | 878 | 1004 | 537 | 588 | 487 | 394 | 394 | 355 | 217 | 161 | 149 | 94 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 13 | 157 | 15 | 1 | 19 | 3 | 473 | 473 | 152 | 157 | 293 | 47 | 47 | 47 | 13 | 47 | 47 | 13 |
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.
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