Surf Forecasts:
The groyne surf forecast from 11 Jul 2026:
- Best quality surf: Sunday 12 Jul, 7AM (local time) - 3ft (0.9m), 11s period, ESE swell with cross-offshore winds.
- Most powerful swell: Sunday 19 Jul, 1AM (local time) - 11ft (3.5m), 12s period, SE swell with 3,073 kJ wave energy.
- Next surfable swell (1★+): Sunday 12 Jul, 7AM (local time) - 3ft (0.9m), 11s period with ESE 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 Sunday (Jul 12) at 7AM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.4m and 9s. 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 3.5m 12s and forecast to arrive on Sunday (Jul 19) at 1AM. 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 4s period and expected on Sunday (Jul 12) at 4PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sun 12th Jul) | 3ft (0.9m) 11s |
| Best Surf | 7AM (Sun 12th Jul) | 3ft (0.9m) 11s |
| Most Powerful | 1AM (Sun 19th Jul) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for The groyne over the next 16 days.
Alright, grab a coffee, let's have a look at this one.
We're focusing on The Groyne, a reef setup that's fairly consistent when the conditions line up. It's exposed to the swell, and the magic number for direction is straight out of the southeast. The water’s sitting right around average for this time of year, so nothing wild there.
Honestly, for the first week and a half, it's a tough watch. The surf is on the small side, under 3 feet, with a bit of energy but the wind is almost always a problem – cross-off, cross-on, just messy. You get a few clean windows, like Sunday morning with 3-foot, 11-second period from the ESE, but the waves are weak and ordinary. Tuesday morning has a tiny 2-foot with offshore wind, but it's just not enough to get excited about. There's a long stretch from Wednesday the 15th right through to the 20th where it's genuinely poor, with strong onshore winds and building swell just getting wrecked. On the 16th, the swell jumps to 5 feet but the wind is howling cross-shore, making it a lumpy, ugly mess. By the 17th and 18th, we're looking at 10 to 12 feet, but with 25 mph cross-on winds and energy readings through the roof, it's a full-on washing machine. That's kite-surfing territory, not for a paddle.
The one true standout, and I mean the only one worth circling, is the morning of Tuesday the 21st of July. The forecast shows a clean 6-foot groundswell, from the ESE, with a period of 12 seconds. The combined energy is solid, and the wind is glassy. Zero wind. That's a rare gift. The waves will be strong, well-shaped, and clean. The longer period means it'll be a bit more lined up and offer better shoulders, though it might break a little straight at times. Get on it early, because by the afternoon, the wind swings onshore and the magic is gone.
Thursday the 23rd morning has a pulse of 6 feet with clean cross-off winds, but it's a week and a half out, so it's a promising "maybe" for now. Still, if that holds, The Groyne could be pumping again.
After that, it fades back into the ordinary, with small, clean but weak surf through the end of the month.
So, bottom line: the 16-day window is mostly a dud, but that Tuesday the 21st morning is a legit corker. Mark it.
Rusty
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Warm (max 22°C on Sun afternoon, min 15°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Wed night. Very mild (max 18°C on Tue night, min 12°C on Wed night). Winds increasing (light winds from the WSW on Tue night, strong winds from the SSE by Thu night). | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | SE 5 | SE 8 | SSE 8 | SE 8 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 256 | 183 | 138 | 86 | 60 | 33 | 28 | 25 | 19 | 19 | 9 | 43 | 358 | 310 | 804 | 2586 | 1716 | 1476 | 1462 | 1850 | 2650 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-on | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:51AM1.19m | 6:39PM1.91m | 6:49AM1.23m | 7:31PM2.00m | 7:42AM1.28m | 8:20PM2.03m | 8:32AM1.32m | 9:07PM2.01m | 9:21AM1.36m | 9:52PM1.93m | 10:10AM1.37m | 10:36PM1.80m | 10:59AM1.37m | ||||||||
Low Tide | 00:21AM0.43m | 11:43AM0.19m | 1:18AM0.35m | 12:39PM0.13m | 2:10AM0.28m | 1:32PM0.09m | 2:57AM0.24m | 2:24PM0.09m | 3:42AM0.23m | 3:14PM0.13m | 4:25AM0.24m | 4:05PM0.20m | 5:07AM0.27m | 4:56PM0.31m | |||||||
 |  |  |  | | | | | | | | | |  | | |  |  |  | | | |
 | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — |
 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — | — | 5:12 | — | — | 5:12 |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 2 | 1 | 1 | — | — | 1 | — |
Temp °C | 17 | 21 | 22 | 19 | 20 | 19 | 18 | 20 | 19 | 18 | 17 | 18 | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 |
Feels °C | 16 | 18 | 20 | 15 | 18 | 17 | 16 | 18 | 17 | 16 | 13 | 13 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | NE 8 | NE 9 | NE 8 | NE 8 | NE 8 | — | NE 9 | ENE 10 | — |
| kJ | 256 | 183 | 138 | 86 | 60 | 33 | 28 | 25 | 19 | 19 | 9 | 9 | 3 | 19 | 18 | 10 | 3 | — | 3 | 9 | — |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 9 | N 3 | N 3 | — | — | NNE 3 | — | NE 9 | NE 9 | NE 9 | N 6 | N 6 | — | — | — | — | — | — | — | — |
| kJ | 20 | 16 | 2 | 1 | — | — | 1 | — | 3 | 3 | 3 | 1 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | E 10 | E 10 | E 10 | — | NE 10 | NE 9 | — | — | N 6 | NE 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 2 | 2 | — | 4 | 3 | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | NW 4 | SW 2 | — | — | — | — | — | SW 2 | S 3 | SE 5 | SE 8 | SSE 8 | SE 8 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 |
| kJ | — | 3 | 7 | 1 | — | — | — | — | — | 2 | 5 | 43 | 358 | 310 | 804 | 2586 | 1716 | 1476 | 1462 | 1850 | 2650 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 201 | 96 | 30 | 201 | 539 | 412 | 197 | 152 | 782 | 702 | 293 | 293 | 293 | 293 | 210 | 210 |
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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