Surf Forecasts:
The groyne surf forecast from 25 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 7PM (local time) - 4.5ft (1.3m), 7s period, E swell with glassy winds.
- Most powerful swell: Thursday 27 Aug, 10PM (local time) - 4.5ft (1.4m), 8s period, ESE swell with 226 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 1AM (local time) - 3.5ft (1.1m), 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 Wednesday (Aug 26) at 1AM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.1m and 16s. Another secondary swell of 0.6m and 4s 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 1.4m 8s and forecast to arrive on Thursday (Aug 27) 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 0.6m 3s period and expected on Thursday (Aug 27) at 1AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Wed 26th Aug) | 3.5ft (1.1m) 8s |
| Best Surf | 7PM (Tue 1st Sep) | 4.5ft (1.3m) 7s |
| Most Powerful | 10PM (Thu 27th Aug) | 4.5ft (1.4m) 8s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, let's have a look at what's ahead. This is a pretty tough stretch, I gotta be straight with you. For the next sixteen days, it's a bit of a wasteland. There’s a massive gap right from the start, and honestly, the only real window to even think about paddling out is in the first week of September.
Alright, so for the first week, forget it. August 25th through the 31st is a write-off. You’ve got persistent cross-onshore winds from the SSE and SE, mostly moderate to fresh, turning everything into a choppy, lumpy mess. The swell is there, anywhere from 3ft to 5ft, but the conditions are just poor. It’s going to be a frustrating grind, and I wouldn't bother. The water temp is sitting at 68°F, which is a touch below average for this time of year, that slight chill in the air will just add to the misery.
Now, the one bright spot, and I mean the *only* bright spot, comes on Wednesday September 2nd. The groyne itself is the spot. Tuesday afternoon the 1st sees an easterly swell building, but the wind is on it and onshore. But then Wednesday morning rolls around... magic. We’ve got a clean 4ft swell from the east, an 8-second period, and glassy conditions with a light NE breeze. The combined energy is a solid 250 (moderate wave energy), so there's some push behind it. It's not a huge day, but for this run, clean, glassy waves at 4ft is as good as it gets. This is your standout. The break is a reef, fairly consistent, and you might see a few others out, it gets crowds sometimes, but on a Wednesday morning with this kind of outlook, I’d expect it to be pretty quiet. Best for intermediates. That window is tight, though. It gets spoilt again by Wednesday afternoon with a cross-onshore breeze that chops it up.
After that, from Thursday the 3rd right through to the 9th of September, it's back to poor conditions. The swell fades away to under 3ft, and the wind is either cross-onshore or a fresh cross-shore that kills any chance of a clean wave. The energy drops away, the sets get weak, and it's just not worth the paddle. A few mornings look clean with a cross-off wind, like the 8th, but the swell is tiny at 3ft. That’s a background bump, not a session.
So to wrap it up: if you want a wave, your one and only shot is the morning of Wednesday September 2nd at The groyne. Get up early, enjoy the glass, and make the most of that small, clean window. Because for the rest of this outlook, it's a waiting game.
Stay salty,
Rusty
Short Range ForecastSome drizzle, heaviest during Wed morning. Warm (max 21°C on Tue afternoon, min 16°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Sun night. Very mild (max 19°C on Fri afternoon, min 16°C on Sat night). Winds increasing (light winds from the SE on Fri night, fresh winds from the SSE by Sun morning). | |||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||
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) | ENE 8 | ENE 8 | ENE 7 | E 7 | E 7 | SE 5 | SE 6 | E 7 | E 7 | E 7 | E 8 | ESE 8 | ESE 8 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 140 | 135 | 89 | 69 | 70 | 62 | 77 | 181 | 123 | 61 | 80 | 112 | 180 | 88 | 127 | 107 | 123 | 142 | 97 | 150 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | glassy | cross-off | cross | cross-on | cross-on | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:35PM1.71m | 6:54AM1.17m | 7:08PM1.78m | 7:28AM1.28m | 7:39PM1.82m | 8:01AM1.38m | 8:11PM1.82m | 8:34AM1.47m | 8:43PM1.79m | 9:09AM1.54m | 9:15PM1.71m | 9:47AM1.58m | 9:50PM1.59m | |||||||
Low Tide | 1:15AM0.32m | 12:30PM0.30m | 1:42AM0.25m | 1:09PM0.26m | 2:09AM0.20m | 1:47PM0.24m | 2:37AM0.17m | 2:25PM0.24m | 3:06AM0.15m | 3:05PM0.27m | 3:35AM0.15m | 3:48PM0.33m | ||||||||
 |  |  | | | | |  |  | | | | | | | |  | | | | |
 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — |
 | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — | 5:31 | — | — | 5:32 | — | — | 5:32 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — |
Temp °C | 21 | 19 | 18 | 21 | 21 | 20 | 19 | 18 | 20 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 20 | 19 |
Feels °C | 20 | 19 | 18 | 22 | 18 | 17 | 16 | 16 | 18 | 17 | 17 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | E 7 | E 7 | E 7 | E 8 | NE 10 | E 7 | NE 7 | E 8 | SE 11 | SE 12 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ENE 11 |
| kJ | 140 | 135 | 89 | 69 | 70 | 47 | 76 | 4 | 123 | 14 | 80 | 5 | 6 | 50 | 50 | 60 | 25 | 24 | 23 | 39 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | E 16 | NE 8 | NE 7 | NE 7 | NE 7 | NE 8 | NE 10 | SSE 7 | SE 6 | NE 7 | NE 10 | NE 10 | SE 11 | SSE 11 | NE 10 | E 13 | E 13 | E 12 | SE 12 |
| kJ | 9 | 5 | 15 | 45 | 44 | 29 | 43 | 4 | 81 | 9 | 8 | 4 | 4 | 20 | 65 | 4 | 4 | 3 | 11 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | E 14 | E 14 | E 13 | NE 10 | — | — | — | S 10 | SE 13 | NE 11 | S 10 | NE 10 | NE 10 | — | — | — | SE 19 | SE 18 |
| kJ | — | — | 4 | 4 | 3 | 4 | — | — | — | 2 | 7 | 4 | 2 | 4 | 4 | — | — | — | 15 | 12 |
Wind waves Height (m) Direction Period (s) | NE 7 | N 4 | — | — | SW 3 | SE 5 | SE 6 | E 7 | — | E 7 | — | ESE 8 | ESE 8 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 |
| kJ | 9 | 10 | — | — | 6 | 62 | 77 | 181 | — | 61 | — | 112 | 180 | 88 | 127 | 107 | 123 | 142 | 97 | 150 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 26 | 0 | 0 | 0 | 1 | 47 | 47 | 13 | 1 | 13 | 1 | 47 | 157 | 47 | 157 | 157 | 197 | 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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