Surf Forecasts:
The groyne surf forecast from 12 Jul 2026:
- Best quality surf: Sunday 12 Jul, 1PM (local time) - 2.5ft (0.8m), 11s period, ESE swell with offshore winds.
- Most powerful swell: Saturday 18 Jul, 10PM (local time) - 11ft (3.5m), 12s period, SE swell with 3,599 kJ wave energy.
- Next surfable swell (1★+): Sunday 12 Jul, 1PM (local time) - 2.5ft (0.8m), 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 1PM. The primary swell is predicted to be 0.8m and 11s period. The wind is predicted to be 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 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 0.9m 5s period and expected on Sunday (Jul 19) at 4AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Sun 12th Jul) | 2.5ft (0.8m) 11s |
| Best Surf | 1PM (Sun 12th Jul) | 2.5ft (0.8m) 11s |
| Most Powerful | 10PM (Sat 18th Jul) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for The groyne over the next 16 days.
Alright, Rusty here. Let’s break down what we’ve got in feet and miles per hour.
First week is a washout. We start with the first surfable waves on Sunday the 12th at The Groyne, but they’re limp – about 3ft from the ESE with moderate energy (199), and while the morning wind is offshore and clean, it’s super ordinary. Monday and Tuesday are tiny, under 2ft, and the best you get is a clean surface with no push. Wednesday afternoon bumps to 4ft but it’s short-period slop (5 seconds) with messy cross-onshore wind – skip it.
Thursday the 16th through the 20th brings a big swell – 7ft up to 11ft – but it’s all blown out by strong south and southeast winds (19 to 25 mph), turning the surface into a choppy, lumpy mess. Energy readings are in the thousands, but this is way more interesting for kite surfers than paddle surfers. Not your window.
The turnaround comes Tuesday the 21st, but the real standout is Tuesday the 22nd of July. The Groyne sees a clean 6ft ESE groundswell with a long 12-second period, and light SSW cross-offshore winds leave it glassy. The energy is strong (1066), and this is excellent surf for experienced surfers – the long period means powerful, well-shaped waves, but it’s over 5ft, so beginners beware. The swell direction matches the break’s optimum SE. Crowds are possible, so get there early.
Wednesday the 23rd morning is still good – 4ft ESE swell, 11-second period, light NNW cross-off breezes, clean. Then Saturday the 25th is a sleeper: the swell drops to 2ft but it’s a very long 14-second groundswell from the ESE, with light NW winds keeping it pristine. That’s a perfect longboard day. The afternoon bumps to 3ft with a 12-second period and glassy conditions – real nice.
After that, we taper into small, clean but ordinary surf through the 27th. There’s a 3-4 day gap from the 18th to the 20th where it’s all blown out.
Water temperature at the start is about 69°, which is normal for the time of year – no anomaly to speak of.
Best day: Tuesday morning the 22nd. Saturday the 25th is a close second for small-wave fans on clean, long-period lines. Everything else is either too small or too windy.
Rusty.
Short Range ForecastMostly dry. Warm (max 21°C on Sun morning, min 14°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 17mm), heaviest on Fri morning. Very mild (max 18°C on Fri morning, min 13°C on Wed night). Winds increasing (moderate winds from the S on Wed morning, strong winds from the SSE by Thu night). | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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) | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | SE 5 | SE 7 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 10 | SE 11 | ESE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 183 | 138 | 86 | 60 | 33 | 28 | 25 | 19 | 19 | 9 | 68 | 312 | 230 | 573 | 729 | 415 | 627 | 1019 | 2299 | 3008 | 3342 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | off | cross-on | cross-off | cross-off | cross-on | cross-off | cross | cross-on | cross | cross | cross | cross | cross-on | cross | cross-on | cross | cross | cross |
High Tide | 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 | 11:19PM1.64m | ||||||||
Low Tide | 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 | 1 | 2 | 4 | 5 | 2 | 1 | 2 | — | 3 |
Temp °C | 21 | 21 | 19 | 20 | 19 | 18 | 20 | 19 | 18 | 17 | 17 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 18 |
Feels °C | 18 | 20 | 15 | 18 | 17 | 16 | 18 | 17 | 17 | 13 | 12 | 10 | 9 | 9 | 9 | 11 | 10 | 11 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | SE 10 | ESE 10 | ESE 10 | ESE 10 | NE 6 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | ENE 10 | E 20 | ESE 12 |
| kJ | 183 | 138 | 86 | 60 | 33 | 28 | 25 | 19 | 19 | 9 | 1 | 3 | 18 | 25 | 16 | 14 | 9 | 3 | 10 | 8 | 3342 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | NNW 3 | — | — | — | N 3 | — | — | NE 9 | N 6 | NE 10 | — | — | — | — | E 7 | — | — | — | — | — |
| kJ | 16 | 1 | — | — | — | 1 | — | — | 3 | 1 | 4 | — | — | — | — | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | E 10 | E 10 | — | — | NE 10 | NE 9 | NE 9 | S 7 | NE 9 | E 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 2 | — | — | 4 | 3 | 3 | 1 | 3 | 2 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 4 | WSW 2 | — | — | NNW 3 | — | — | — | SSW 3 | SE 5 | SE 7 | SSE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 10 | SE 11 | SW 5 |
| kJ | 3 | 5 | 1 | — | — | 1 | — | — | — | 3 | 68 | 312 | 230 | 573 | 729 | 415 | 627 | 1019 | 2299 | 3008 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 96 | 96 | 30 | 173 | 173 | 412 | 539 | 152 | 582 | 582 | 473 | 582 | 830 | 539 | 734 | 293 | 293 |
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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