Surf Forecasts:
The groyne surf forecast from 25 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 1AM (local time) - 3.5ft (1.1m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Sunday 30 Aug, 1PM (local time) - 5.5ft (1.7m), 6s period, SE swell with 209 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 0.5m 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 1.7m 6s and forecast to arrive on Sunday (Aug 30) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 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 | 1AM (Wed 26th Aug) | 3.5ft (1.1m) 8s |
| Most Powerful | 1PM (Sun 30th Aug) | 5.5ft (1.7m) 6s |
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's cookin' for The Groyne over the next couple of weeks.
Honestly mate, it's a pretty grim stretch for The Groyne. We're looking at a solid 16-day window, but there's a big gap of real junk right off the bat. The first proper chance to even think about paddling out doesn't show up until Wednesday the 26th, and even then, it's barely a whisper. The pattern is mostly small, messy, onshore slop. The water's sitting at about 68°, which is a bit colder than we'd usually expect for this time of year, so factor in a bit of extra rubber.
The whole run is just a series of marginal windows. The only glimmers of hope come from those early morning slots when the wind swings offshore. We get a taste of that on Wednesday the 26th morning. It's tiny, with a 3ft ENE swell, but that offshore wind from the WSW will clean it right up. It's surfable, but you won't get any power from that short 8-second period (combined energy just 97). Then there's a bigger gap of nothing until Wednesday the 2nd of September. That morning looks glassy with a light NNE breeze, but again, it's a weak 3ft ENE swell. The 2nd of September morning is the best bet, but it's still very ordinary.
Later in the window, there are a couple more early morning offshore shots. Thursday the 3rd and Friday the 4th of September both have clean conditions in the morning with the wind coming off the land (W or N). The swell stays stuck around 3ft from the ENE, with periods between 8-9 seconds. The energy is moderate, but nothing to write home about. It's paddle-out-for-the-soul stuff, not for performance. The standouts, if you can call them that, are the mornings of the 2nd, 3rd, and 4th of September. They offer the cleanest conditions with offshore or glassy wind, but don't expect power or size. Everything else is cross-on junk. For a reef break like The Groyne, that onshore chop is a dealbreaker.
Rusty
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 22°C on Wed afternoon, min 16°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Fri night. Very mild (max 19°C on Fri morning, min 16°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the SSE by Sun morning). | ||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||
AM | 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 | E 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 109 | 105 | 135 | 79 | 78 | 64 | 64 | 84 | 138 | 123 | 59 | 78 | 84 | 111 | 51 | 154 | 116 | 127 | 80 | 117 | 135 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-off | off | cross-on | cross-off | cross-on | cross-on | cross-on | cross | on | glassy | cross-on | cross-on | cross-on | cross | cross-on | cross | 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 | 11:48AM0.35m | 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 | — | — | 6:07 | — | — | 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 | — | — | 1 | 1 | — | — | — | — | 1 | 1 | — | — |
Temp °C | 21 | 21 | 19 | 19 | 22 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 18 | 18 | 19 | 18 | 19 | 19 | 18 |
Feels °C | 20 | 20 | 19 | 20 | 21 | 17 | 17 | 16 | 18 | 18 | 17 | 18 | 17 | 15 | 14 | 13 | 14 | 14 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | SE 10 | E 8 | E 9 | E 9 | E 9 | E 9 | E 11 | E 11 |
| kJ | 109 | 105 | 135 | 79 | 78 | 64 | 64 | 84 | 138 | 123 | 59 | 78 | 84 | 4 | 51 | 78 | 103 | 40 | 39 | 10 | 37 |
Swell 2 Height (m) Direction Period (s) | NE 8 | SSE 10 | E 16 | NE 8 | NE 7 | NE 7 | NE 7 | NE 8 | — | SSE 7 | NE 7 | NE 7 | SE 11 | NE 10 | SSE 12 | E 10 | NE 10 | SE 13 | SE 10 | SE 10 | SE 19 |
| kJ | 2 | 9 | 5 | 14 | 33 | 42 | 27 | 37 | — | 42 | 18 | 7 | 5 | 4 | 13 | 2 | 4 | 7 | 4 | 4 | 14 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | — | — | E 14 | E 14 | E 13 | ENE 10 | NNE 10 | — | — | S 10 | SE 13 | NE 11 | NE 10 | NE 10 | — | — | E 13 | SE 21 | SE 20 | SSE 19 |
| kJ | 3 | — | — | 4 | 4 | 3 | 10 | 10 | — | — | 2 | 7 | 4 | 4 | 4 | — | — | 4 | 17 | 15 | 35 |
Wind waves Height (m) Direction Period (s) | — | NE 3 | N 4 | WNW 2 | — | SW 3 | SSE 4 | SE 5 | SSE 5 | — | — | — | — | E 8 | SE 5 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | — | 5 | 6 | 1 | — | 5 | 35 | 62 | 9 | — | — | — | — | 111 | 40 | 154 | 116 | 127 | 80 | 117 | 135 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 19 | 0 | 0 | 19 | 1 | 13 | 47 | 13 | 1 | 47 | 0 | 15 | 47 | 147 | 157 | 47 | 47 | 47 | 47 | 47 |
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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