Surf Forecasts:
The groyne surf forecast from 13 Jul 2026:
- Most powerful swell: Sunday 19 Jul, 7AM (local time) - 15ft (4.5m), 11s period, ESE swell with 4,491 kJ wave energy.
Best Forecast Surf Conditions for The groyne this week:
The most powerful waves expected at The groyne in the next 16 days are 4.5m 11s and forecast to arrive on Sunday (Jul 19) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Wednesday (Jul 15) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 7AM (Sun 19th Jul) | 15ft (4.5m) 11s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, let’s break it down for The groyne.
Right now, there’s nothing happening. We’ve got a dry spell from Tuesday morning all the way through the end of next week. A few pulses of swell show up – Wednesday the 16th pushes chest-high at 2.2m from the SE, energy climbs to 622 – but the wind is all over the place. Cross-shore, cross-on, lumpy chop. Thursday the 16th bumps up to 2.5m with over 800 units of energy, but strong cross-shore winds make it a mess. Not worth your time.
From the 17th through the 20th, the swell stays solid – 2.5m to 4.0m – and the combined energy jumps from 817 all the way to 3716 on the morning of the 19th. That’s a lot of power. But the wind is fresh to strong cross-onshore, and on the 19th the period hits 11 seconds, so it’s proper groundswell. With that wind direction, it’s gonna be blown out and ugly. Honestly, with that much energy and that wind, you’re better off kite surfing than paddling. Water temp is around 69°, about normal for this time of year.
Things go marginal on the 21st and 22nd – the wind drops a bit, swell holds at 2.2m to 2.5m, and the period stretches to 11-12 seconds. That means long lines, but it’s still cross or cross-on, so it won’t be clean. A few waves for the patient, but nothing to hype.
Here’s the one to circle: Saturday the 25th and Sunday the 26th. Saturday morning (25 July) brings a clean 2.1m SE groundswell with a 12-second period, and the wind goes glassy – light SW at just 3 mph. Energy is 1655, so there’s plenty of push without it being scary. This is excellent surf for experienced surfers, and the reef at The groyne will handle that long-period swell nicely. Sunday morning (26 July) is nearly as good: 2.2m, 11-second period, light cross-off wind from the SW, clean. That’s your weekend window. Water temp is normal, no surprises.
After that, Monday the 27th still has a clean 1.6m morning with light NW cross-off wind, but by Tuesday it drops under waist-high and fades. The following Wednesday and Thursday offer small, clean waves but nothing special.
So, you’ve got a long stretch of junk – nearly a week and a half – then the real deal hits on Saturday the 25th and Sunday the 26th. Glassy morning, solid groundswell, proper reef. That’s your window.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Thu night. Warm (max 20°C on Tue morning, min 12°C on Tue night). Winds increasing (calm on Tue morning, strong winds from the SSE by Thu afternoon). | Days 4-6 Weather SummaryHeavy rain (total 24mm), heaviest during Fri morning. Very mild (max 19°C on Fri afternoon, min 17°C on Fri night). Mainly strong winds. | ||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||
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) | SE 10 | ESE 10 | ESE 10 | ESE 10 | SE 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 25 | 19 | 19 | 9 | 49 | 427 | 619 | 805 | 979 | 817 | 694 | 672 | 792 | 1108 | 3378 | 3716 | 3113 | 2434 | 1667 | 1384 | 1626 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-off | cross | cross-on | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 8:20PM2.03m | 8:32AM1.32m | 9:07PM2.01m | 9:21AM1.36m | 9:52PM1.93m | 10:10AM1.37m | 10:36PM1.80m | 10:59AM1.37m | 11:19PM1.64m | 11:51AM1.36m | 00:01AM1.47m | 12:48PM1.34m | 00:46AM1.30m | ||||||||
Low Tide | 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 | 5:49AM0.32m | 5:50PM0.44m | 6:31AM0.36m | 6:50PM0.56m | ||||||||
 | |  | | |  |  | |  | | | | | | | |  | |  | | | |
 | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — | — | 5:12 | — | — | 5:12 | — | — | 5:13 | — | — | 5:13 | — |
mm | — | — | — | — | — | — | 1 | 1 | 7 | 4 | 2 | 2 | 2 | 3 | 5 | 2 | — | 4 | 1 | — | 2 |
Temp °C | 20 | 20 | 17 | 17 | 17 | 16 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 19 | 17 |
Feels °C | 18 | 18 | 13 | 12 | 12 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | — | NE 9 | NE 8 | NE 8 | — | — | — | E 21 | NE 8 | — | — | — | — | — | — | ESE 10 |
| kJ | 25 | 19 | 19 | 9 | 9 | — | 3 | 11 | 11 | — | — | — | 9 | 3 | — | — | — | — | — | — | 1156 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NE 9 | NE 9 | — | — | — | — | — | — | — | — | E 20 | — | — | — | — | — | — | — |
| kJ | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | E 9 | N 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 3 | SW 3 | S 3 | SE 5 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | — | 1 | 2 | 5 | 49 | 427 | 619 | 805 | 979 | 817 | 694 | 672 | 792 | 1108 | 3378 | 3716 | 3113 | 2434 | 1667 | 1384 | 1626 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 30 | 539 | 173 | 412 | 197 | 13 | 426 | 473 | 293 | 293 | 293 | 157 | 763 | 874 | 473 | 803 | 787 | 157 | 293 | 157 | 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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