Surf Forecasts:
The groyne surf forecast from 15 Jul 2026:
- Best quality surf: Thursday 23 Jul, 4AM (local time) - 5ft (1.5m), 9s period, E swell with cross-offshore winds.
- Most powerful swell: Saturday 18 Jul, 10PM (local time) - 11ft (3.5m), 10s period, SE swell with 2,741 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 4AM (local time) - 5ft (1.5m), 9s 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 Thursday (Jul 23) at 4AM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.1m and 10s. 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 10s and forecast to arrive on Saturday (Jul 18) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (Jul 18) at 7AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 23rd Jul) | 5ft (1.5m) 9s |
| Best Surf | 4AM (Thu 23rd Jul) | 5ft (1.5m) 9s |
| Most Powerful | 10PM (Sat 18th Jul) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, let’s talk about The Groyne in feet and miles per hour for the next couple of weeks.
Honestly, the first few days are a write-off. We don’t see a proper surfable window until Saturday the 18th, and even then it’s just okay. There’s a solid 6 to 11 feet of swell coming from the SSE, with a ton of energy in the water (numbers from 480 up to 2108), but the wind is all wrong. It’s blowing cross-shore or cross-onshore, making it a lumpy, choppy mess. The period is short, around 6 to 10 seconds, so it’s just not gonna hold together on that reef. The Groyne needs clean conditions to shine.
The real standout, the one you want to circle on your calendar, is Thursday the 30th and Friday the 31st of July. The wind finally plays ball, swinging offshore from the WSW. The swell drops to a clean 5 feet, coming from the ENE with an 8-second period. The energy is moderate (314 to 339), but with offshore wind, that reef will be firing with clean, lined-up waves. It’s not a huge swell, but it’ll be pure fun. The water temp is about normal for this time of year.
Just a heads up, The Groyne can get crowded *sometimes*, so for that Thursday and Friday morning, get down early. The Thursday morning session is glassy and perfect. The Saturday morning the 25th is also a decent option – a bit smaller at 4 feet with cross-off winds and clean lines – but it’s not the quality of that last week run.
After the 31st, it goes flat. The last few days of July into August are dead. So, you’ve got a long, frustrating wait, a couple of rough days, and then a beautiful, clean window on the 30th and 31st. Don’t bother with the rest.
Rusty.
Short Range ForecastHeavy rain (total 36mm), heaviest during Thu afternoon. Very mild (max 18°C on Fri morning, min 14°C on Thu afternoon). Mainly strong winds. | Days 4-6 Weather SummaryHeavy rain (total 20mm), heaviest during Sun morning. Warm (max 20°C on Mon night, min 18°C on Sun morning). Winds decreasing (strong winds from the SSE on Sun morning, light winds from the SE by Tue night). | ||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||
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 8 | SSE 8 | SE 8 | SE 6 | SE 6 | SE 7 | SE 9 | SE 10 | SE 10 | SE 10 | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 530 | 532 | 724 | 256 | 331 | 362 | 519 | 1902 | 2523 | 1967 | 1701 | 1839 | 1913 | 1623 | 1461 | 1176 | 878 | 767 | 539 | 431 | 364 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 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 | 1:52PM1.34m | 1:35AM1.15m | 3:01PM1.36m | 2:35AM1.04m | ||||||||
Low Tide | 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 | 7:14AM0.40m | 8:01PM0.66m | 8:01AM0.42m | 9:22PM0.71m | ||||||||
 |  |  |  | |  |  |  | | | | | | |  |  | |  | | | | |
 | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — |
 | — | 5:10 | — | — | 5:12 | — | — | 5:12 | — | — | 5:13 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — |
mm | 1 | 10 | 10 | 3 | 4 | 2 | — | 1 | 5 | 4 | 3 | 7 | 3 | 1 | — | — | — | 2 | — | 1 | 1 |
Temp °C | 17 | 16 | 17 | 18 | 18 | 15 | 18 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 20 | 18 | 18 |
Feels °C | 10 | 9 | 12 | 14 | 12 | 10 | 11 | 11 | 11 | 12 | 13 | 15 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 8 | NE 7 | NE 7 | NE 9 | SE 9 | E 20 | E 18 | E 17 | ESE 12 | — | — | — | — | S 12 | E 10 | E 11 | E 10 | E 9 | E 9 |
| kJ | 3 | 11 | 17 | 14 | 12 | 3 | 519 | 7 | 7 | 24 | 29 | — | — | — | — | 3 | 354 | 269 | 539 | 431 | 364 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NE 8 | — | — | — | ESE 16 | — | — | — | — | — | — | S 10 | S 10 | S 10 | S 10 |
| kJ | — | — | — | — | — | — | 3 | — | — | — | 49 | — | — | — | — | — | — | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | E 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 8 | SSE 8 | SE 8 | SE 6 | SE 6 | SE 7 | SW 4 | SE 10 | SE 10 | SE 10 | SE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 9 | ESE 8 | — |
| kJ | 530 | 532 | 724 | 256 | 331 | 362 | 16 | 1902 | 2523 | 1967 | 1701 | 1839 | 1913 | 1623 | 1461 | 1176 | 878 | 767 | 485 | 241 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 152 | 426 | 582 | 582 | 693 | 780 | 152 | 426 | 868 | 780 | 735 | 582 | 426 | 293 | 157 | 157 | 157 | 47 | 15 | 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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