Surf Forecasts:
The groyne surf forecast from 11 Sep 2026:
- Best quality surf: Saturday 19 Sep, 4AM (local time) - 6ft (1.8m), 9s period, SE swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 10PM (local time) - 10ft (3.0m), 8s period, SE swell with 1,279 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 1AM (local time) - 2.5ft (0.8m), 6s 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 Tuesday (Sep 15) at 1AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.1m and 8s. 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 Wednesday (Sep 16) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 2s period and expected on Wednesday (Sep 16) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 15th Sep) | 2.5ft (0.8m) 6s |
| Best Surf | 4AM (Sat 19th Sep) | 6ft (1.8m) 9s |
| Most Powerful | 10PM (Wed 16th Sep) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright folks, Rusty here with the outlook for The Groyne. Gotta be straight with you, this stretch is looking pretty grim for a good long while. There’s a big gap of nothing much on the cards, so don’t get your hopes up early.
Right now and through to the end of September, The Groyne is basically a write-off for a decent paddle. The swell is tiny or onshore-trashy, and the wind is all wrong. The only real blip of interest comes on Saturday, the 19th of September. The morning session shows a pulse of 4ft swell from the ESE, but here’s the thing: that swell has a period of 12 seconds, which is proper groundswell. It’s gonna have some decent energy behind it, with combined energy hitting 505. That kind of long-period groundswell can make the Groyne's reef setup a bit tricky – it might bend and focus, but it could also just wall up and close out. The wind is a light cross-onshore at only 3 mph, so it’ll be glassy on the surface. This is the only real standout in the whole run, but it’s not a guaranteed classic. Saturday afternoon and the rest of the week? Back to small and messy.
Honestly, for the next two weeks, you’re better off finding another hobby or checking if the flat spell has any other options. There’s nothing here that’s going to get the blood pumping until that Saturday morning window.
Stay salty.
Rusty.
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Warm (max 20°C on Sun morning, min 16°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Tue morning, min 14°C on Wed night). Winds increasing (calm on Mon night, strong winds from the SSE by Wed afternoon). | ||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | ESE 6 | ESE 6 | ESE 7 | SE 7 | ESE 6 | ENE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | SE 7 | SE 8 | SE 8 | SE 7 | SE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 229 | 192 | 158 | 55 | 127 | 54 | 110 | 58 | 60 | 47 | 36 | 36 | 53 | 41 | 495 | 1165 | 468 | 569 | 657 |
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-on | cross-on | cross-on | cross | on | cross-off | cross-on | cross-on | cross-off | cross | cross-on | cross | cross | cross-on | cross |
High Tide | 8:43AM1.63m | 8:51PM1.73m | 9:23AM1.66m | 9:23PM1.59m | 10:03AM1.64m | 9:54PM1.43m | 10:45AM1.58m | 10:23PM1.26m | 11:32AM1.51m | 10:52PM1.11m | 12:27PM1.44m | 11:28PM0.96m | |||||||
Low Tide | 2:38AM0.11m | 2:43PM0.23m | 3:09AM0.13m | 3:26PM0.32m | 3:40AM0.16m | 4:10PM0.44m | 4:11AM0.21m | 4:57PM0.57m | 4:42AM0.27m | 5:52PM0.68m | 5:16AM0.34m | 7:07PM0.75m | |||||||
 |  |  | |  | |  | | |  | | | | | |  | | |  | |
 | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — |
 | — | — | 5:37 | — | — | 5:38 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — |
mm | 3 | — | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 18 | 19 | 19 | 18 | 20 | 19 | 18 | 19 | 19 | 17 | 21 | 20 | 18 | 20 | 18 | 17 | 18 | 18 | 17 |
Feels °C | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 16 | 19 | 17 | 15 | 14 | 10 | 9 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | E 14 | E 14 | E 14 | ENE 6 | E 13 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | E 13 | E 11 | — | NE 11 | — |
| kJ | 4 | 4 | 4 | 35 | 3 | 53 | 78 | 58 | 60 | 47 | 36 | 36 | 53 | 41 | 3 | 2 | — | 5 | — |
Swell 2 Height (m) Direction Period (s) | NE 16 | NE 16 | NE 15 | E 14 | NE 8 | E 13 | NE 8 | E 12 | NE 8 | NE 8 | E 12 | E 12 | E 11 | E 11 | — | — | NE 11 | E 12 | E 16 |
| kJ | 10 | 10 | 8 | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | — | — | 5 | 3 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 20 | E 20 | E 20 | E 13 | E 10 | E 12 | E 12 | — | E 15 | E 15 | E 14 | — | — | — | E 16 | — |
| kJ | — | — | — | 15 | 8 | 8 | 3 | 2 | 3 | 3 | — | 4 | 4 | 4 | — | — | — | 5 | — |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 7 | SE 7 | ESE 6 | SE 6 | ESE 6 | — | — | — | — | NE 2 | NW 2 | — | SE 7 | SE 8 | SE 8 | SE 7 | SE 8 |
| kJ | 229 | 192 | 158 | 55 | 127 | 54 | 110 | — | — | — | — | 1 | 1 | — | 495 | 1165 | 468 | 569 | 657 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 47 | 47 | 47 | 1 | 47 | 47 | 13 | 1 | 13 | 0 | 26 | 868 | 0 | 47 | 1471 | 152 | 152 | 473 | 152 |
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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