Surf Forecasts:
The groyne surf forecast from 18 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 10PM (local time) - 4.5ft (1.4m), 9s period, E swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 10AM (local time) - 13ft (4.0m), 11s period, SE swell with 3,345 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 10PM (local time) - 4.5ft (1.4m), 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 Wednesday (Jul 22) at 10PM. The primary swell is predicted to be 1.4m and 9s period with a secondary swell of 0.2m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at The groyne in the next 16 days are 4.0m 11s and forecast to arrive on Sunday (Jul 19) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Thursday (Jul 23) at 10AM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Wed 22nd Jul) | 4.5ft (1.4m) 9s |
| Best Surf | 10PM (Wed 22nd Jul) | 4.5ft (1.4m) 9s |
| Most Powerful | 10AM (Sun 19th Jul) | 13ft (4.0m) 11s |
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 on the table for The Groyne over the next couple of weeks.
Honestly, mate, it's a bit of a rough start. The first few days are pretty much a write-off. We’ve got a big, powerful swell rolling in on Sunday the 19th, chest to head high plus at 13ft from the SE, with a combined wave energy of 3345, but the wind is howling from the SSE at 28 mph, just ripping across the break. It’s a total mess out there – strong cross-shore wind and cross-chop. It stays like that right through Monday and into Tuesday. The water temp is sitting at 69°, which is about average for this time of year, not that you’d be in any rush to get out there.
The real action doesn't start cleaning up until Wednesday the 22nd. The swell drops right off, down to 5ft from the East, with energy dropping to 413. The wind eases right up, going light and variable, but it's still cross-shore in the morning, leaving small ripples. It's a step in the right direction, but it's still only marginal.
Thursday the 23rd is the first real highlight. The morning is looking sweet. The swell is small at 4ft from the East, with a short period of 8 seconds, but the wind goes light offshore from the WSW, with a slight air. The energy is low at 181, but it's clean. That’s your window for a sneaky, small-wave session with your mates. Expect a few other people out there, as it can get crowded, but with the light offshore, it’ll be worth it.
After that, it gets a bit dicey again. Friday the 24th and Saturday the 25th are blown out or too small. The stand-out session, if you can wait, is actually Sunday the 2nd of August. It's a long way off, so don't book the trip yet, but the forecast is promising. The swell is tiny at 1ft from the SE, but it's got a long period of 12 seconds, and the wind is going gentle offshore from the WSW. The energy is a weak 55. It's a surfable, clean little wave. For a reef break, that long period is a good sign, and the glassy conditions will make it the best on offer.
So, the short story is: ignore the roaring wind and big swell early on. If you're desperate, hit the small, clean window on Thursday morning the 23rd. Otherwise, keep your eyes on that Sunday the 2nd of August for a potential glassy, long-period treat.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Sun afternoon. Warm (max 20°C on Mon morning, min 18°C on Sun morning). Winds decreasing (strong winds from the SSE on Sun afternoon, light winds from the ESE by Tue night). | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Thu morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||
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 11 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | SE 6 | SE 7 | E 8 | ESE 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3345 | 3197 | 3075 | 2890 | 2223 | 1635 | 1086 | 780 | 528 | 399 | 404 | 257 | 169 | 161 | 124 | 159 | 168 | 115 | 69 | 51 | 36 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross | cross-on | cross-off | cross-off | on | cross-off | cross | cross-on | cross-off | off | cross-on | off |
High Tide | 11:51AM1.36m | 00:01AM1.47m | 12:48PM1.34m | 00:46AM1.30m | 1:52PM1.34m | 1:35AM1.15m | 3:01PM1.36m | 2:35AM1.04m | 4:06PM1.41m | 3:43AM0.98m | 5:02PM1.48m | 4:48AM0.97m | 5:48PM1.57m | ||||||||
Low Tide | 5:50PM0.44m | 6:31AM0.36m | 6:50PM0.56m | 7:14AM0.40m | 8:01PM0.66m | 8:01AM0.42m | 9:22PM0.71m | 8:52AM0.43m | 10:42PM0.69m | 9:46AM0.41m | 11:46PM0.63m | 10:38AM0.38m | 00:33AM0.55m | ||||||||
 | |  | | |  |  | |  |  |  |  | | | | | | | | | | |
 | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | — | 5:13 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — |
mm | 2 | 3 | 6 | 1 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 21 | 20 | 18 | 18 | 18 | 17 | 19 | 18 | 16 |
Feels °C | 12 | 11 | 13 | 14 | 13 | 13 | 15 | 16 | 17 | 19 | 18 | 19 | 20 | 18 | 17 | 14 | 15 | 17 | 17 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 7 | E 7 | E 7 |
| kJ | — | — | — | — | — | — | — | 632 | 528 | 399 | 404 | 257 | 169 | 161 | 124 | 71 | 97 | 115 | 69 | 51 | 36 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 10 | S 10 | S 9 | S 8 | S 8 | E 12 | E 12 | NE 8 | NE 8 | SE 7 | NE 8 | NE 8 | NE 7 |
| kJ | — | — | — | — | — | — | — | — | 2 | 7 | 7 | 6 | 6 | 3 | 3 | 29 | 30 | 23 | 15 | 14 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | S 7 | SE 11 | — | NE 7 | E 11 | — | SSE 6 |
| kJ | — | — | — | — | — | — | — | — | — | 7 | 7 | 6 | 6 | 6 | 1 | 5 | — | 19 | 2 | — | 3 |
Wind waves Height (m) Direction Period (s) | SE 11 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | — | — | — | — | WSW 2 | — | — | SE 6 | SE 7 | — | — | — | — |
| kJ | 3345 | 3197 | 3075 | 2890 | 2223 | 1635 | 1086 | 780 | — | — | — | — | 1 | — | — | 159 | 168 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 787 | 693 | 426 | 426 | 293 | 157 | 47 | 47 | 47 | 1 | 13 | 0 | 0 | 19 | 0 | 13 | 15 | 0 | 0 | 19 | 2 |
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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