Surf Forecasts:
The groyne surf forecast from 13 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 1AM (local time) - 2.5ft (0.8m), 6s period, E swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 10PM (local time) - 10ft (3.0m), 8s period, SE swell with 930 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 12s. The wind is predicted to be glassy 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-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s 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 | 1AM (Tue 15th Sep) | 2.5ft (0.8m) 6s |
| 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
Right off the bat, I gotta be straight with you: the next two weeks or so are looking pretty grim for The Groyne. We’ve got a long stretch of junk ahead—wind chop, onshores, and waves that just don’t have any push behind them. For the first week and a half, there’s barely anything worth paddling out for. The surf might be there, but it’s messy, weak, and the conditions are gonna have you fighting the board the whole time. There’s a bit of a pulse of energy trying to build around the 22nd, but the wind is all over it, so it doesn’t amount to much. Honestly, you’re better off doing something else.
The only real glimmer comes much later, on Saturday the 26th in the morning. The swell drops right down to 0.7m from the ESE, but the wind finally goes offshore from the WSW at 10 km/h. That’s the one clean window we get—light offshores, clean face, and a tiny but workable wave. It’s the standout of the whole period, even if it’s small. If you can only pick one session, that’s the one. The Groyne (The-groyne_1) needs that kind of clean surface to do anything.
After that, it’s back to the grind. The following Monday morning has a bit more size—0.9m from the E—but the wind is barely cross-onshore, and it’s just ordinary again. The Tuesday morning on the 29th has a little bump in energy (160 combined), but the wind is on it, and the report’s still calling it poor. So, keep your expectations low, wait for that Saturday morning window, and don’t force anything before then.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Mon morning, min 15°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the SE by Wed afternoon). | Days 5-7 Weather SummarySome drizzle, heaviest during Thu night. Warm (max 21°C on Sat morning, min 13°C on Wed night). Winds decreasing (fresh winds from the SSE on Wed night, calm by Fri night). | ||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||
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 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | SE 7 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | ESE 7 | ESE 7 | SE 8 | ESE 8 | ESE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 88 | 74 | 60 | 48 | 49 | 38 | 55 | 41 | 483 | 776 | 361 | 436 | 355 | 328 | 113 | 73 | 53 | 59 | 55 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | glassy | glassy | cross-on | cross-off | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-off | cross-on | cross-on | cross-off |
High Tide | 10:03AM1.64m | 9:54PM1.43m | 10:45AM1.58m | 10:23PM1.26m | 11:32AM1.51m | 10:52PM1.11m | 12:27PM1.44m | 11:28PM0.96m | 1:37PM1.39m | 00:33AM0.84m | 2:53PM1.39m | 2:47AM0.79m | |||||||
Low Tide | 3:40AM0.16m | 4:10PM0.44m | 4:11AM0.21m | 4:57PM0.57m | 4:42AM0.27m | 5:52PM0.68m | 5:16AM0.34m | 7:07PM0.75m | 5:58AM0.41m | 8:50PM0.75m | 6:57AM0.48m | 10:24PM0.67m | |||||||
 |  |  | | | | | | |  | | |  | | | | | | | |
 | — | 5:47 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:41 | — | — |
 | — | — | 5:38 | — | — | 5:39 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 20 | 19 | 17 | 20 | 20 | 17 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 17 | 21 | 20 | 18 |
Feels °C | 16 | 18 | 18 | 17 | 18 | 18 | 15 | 15 | 11 | 11 | 12 | 12 | 13 | 16 | 17 | 17 | 19 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | E 13 | E 12 | E 13 | E 16 | E 12 | ESE 7 | E 14 | ESE 7 | SE 8 | ESE 8 | ESE 8 |
| kJ | 3 | 74 | 60 | 48 | 49 | 38 | 55 | 41 | 3 | 3 | 3 | 5 | 3 | 154 | 4 | 73 | 53 | 59 | 55 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 12 | NE 8 | E 12 | E 12 | E 12 | E 11 | E 11 | E 13 | NE 11 | — | NE 11 | E 16 | E 12 | E 12 | E 8 | ENE 7 | E 8 | ESE 11 |
| kJ | 2 | 3 | 2 | 3 | 3 | 3 | 3 | 2 | 4 | 5 | — | 5 | 5 | 3 | 3 | 5 | 17 | 4 | 13 |
Swell 3 Height (m) Direction Period (s) | S 18 | E 10 | E 12 | NE 12 | E 15 | E 15 | E 15 | E 14 | — | — | — | E 16 | — | E 15 | E 12 | E 12 | E 13 | E 12 | E 8 |
| kJ | 7 | 2 | 3 | 6 | 4 | 4 | 4 | 4 | — | — | — | 5 | — | 4 | 3 | 3 | 3 | 3 | 5 |
Wind waves Height (m) Direction Period (s) | E 6 | — | — | — | — | NE 3 | NW 3 | SSE 2 | SE 7 | SE 8 | SE 7 | SE 7 | SE 7 | SE 8 | ESE 7 | — | — | — | — |
| kJ | 88 | — | — | — | — | 1 | 1 | 1 | 483 | 776 | 361 | 436 | 355 | 328 | 113 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 13 | 13 | 13 | 0 | 0 | 19 | 0 | 47 | 1475 | 473 | 47 | 473 | 13 | 13 | 13 | 0 | 0 | 19 | 0 |
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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