Surf Forecasts:
The groyne surf forecast from 19 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 7AM (local time) - 6ft (1.8m), 9s period, E swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 10PM (local time) - 13ft (4.0m), 10s period, SE swell with 3,643 kJ wave energy.
- Next surfable swell (1★+): Wednesday 22 Jul, 7AM (local time) - 6ft (1.8m), 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 7AM. The primary swell is predicted to be 1.8m and 9s period with a secondary swell of 0.1m and 10s. 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 10s and forecast to arrive on Sunday (Jul 19) 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 0.4m 10s period and expected on Friday (Jul 24) at 7PM.
| Wave Type | Time (AEST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Wed 22nd Jul) | 6ft (1.8m) 9s |
| Best Surf | 7AM (Wed 22nd Jul) | 6ft (1.8m) 9s |
| Most Powerful | 10PM (Sun 19th Jul) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for The groyne over the next 16 days.
The Lowdown
Alright, let’s talk about The Groyne (reef) for the next couple of weeks.
Water temp is about 69°F – that’s a touch under the average for this time of year, nothing wild.
The first few days are a total bust. Sunday the 19th and Monday the 20th have a hefty 13ft SE swell, but it’s being hammered by 28 mph cross-winds. The energy is enormous (3323), but it’s just a mess of whitewater. No good.
Tuesday the 21st stays poor with 8ft to 7ft ESE swell, cross-on and choppy. The energy is moderate (1067 to 922), but the wind kills it.
Wednesday the 22nd morning is the first real hope. Swell drops to 6ft from the east, but the wind turns light cross-off from the SSW at 6 mph. The wave comment says “expect good surf conditions.” Energy is moderate (475). It’ll be clean and rideable for a reef break.
Thursday the 23rd morning is the standout. Glassy – wind from the SW at just 3 mph, with a clean 4ft easterly swell. The energy is light (208), but the quality is top-notch. Crowds are “sometimes,” so you might see a few others, but it’s the best window.
The rest of the week into the weekend is a mix of poor and ordinary. Friday the 24th gets lumpy with 7ft SE swell and cross-on wind. Saturday the 25th morning has a tiny 3ft swell but clean cross-off wind – surfable but nothing special.
From Sunday the 26th onward, the swell drops hard. Energy values fall below 100 (weak), and waves shrink to under 3ft through the end of July and into early August. The wind is occasionally clean, but there’s just not enough power. The 4th of August morning has a 4ft SSE swell with clean cross-off wind, but the period is short (6 seconds) and energy is low (91). It’s “surfable but very ordinary.”
The best bet is Thursday the 23rd morning – glassy, 4ft east swell, clean. That’s the one to circle.
Rusty out.
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Warm (max 20°C on Mon morning, min 18°C on Sun afternoon). Winds decreasing (strong winds from the SSE on Sun afternoon, calm by Tue night). | Days 5-7 Weather SummaryMostly dry. Warm (max 21°C on Thu morning, min 13°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||
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 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 7 | SE 7 | E 8 | ESE 7 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3323 | 3580 | 3141 | 2088 | 1733 | 1064 | 755 | 619 | 469 | 359 | 252 | 201 | 161 | 153 | 120 | 357 | 144 | 111 | 100 | 85 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | cross-on | cross-off | glassy | cross-on | cross-off | cross | cross-on | cross-off | cross-off | cross-on | off |
High Tide | 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 | — | — | 6:31 | — | — | 6:31 | — | — | 6:31 | — | — |
 | 5:13 | — | — | 5:13 | — | — | 5:14 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — |
mm | 2 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 20 | 18 | 17 | 17 | 15 | 18 | 18 | 14 |
Feels °C | 12 | 13 | 14 | 14 | 14 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 18 | 17 | 13 | 13 | 14 | 16 | 17 | 10 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | S 12 | ENE 10 | E 10 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 7 | E 8 | E 8 | ESE 7 | E 7 | E 7 |
| kJ | — | — | — | — | — | 3 | 167 | 500 | 469 | 359 | 252 | 201 | 161 | 153 | 120 | 80 | 144 | 111 | 100 | 85 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 10 | S 10 | S 9 | S 9 | S 9 | S 8 | E 12 | E 11 | NE 9 | E 11 | NE 8 | NE 8 | SE 14 |
| kJ | — | — | — | — | — | — | — | 2 | 2 | 7 | 6 | 1 | 1 | 3 | 2 | 14 | 2 | 15 | 2 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 13 | E 13 | SE 12 | SE 12 | SE 12 | — | — | E 11 | — | NE 8 | SE 14 | E 18 |
| kJ | — | — | — | — | — | — | — | — | 4 | 3 | 6 | 6 | 6 | — | — | 2 | — | 18 | 7 | 6 |
Wind waves Height (m) Direction Period (s) | SE 10 | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 9 | — | — | — | WSW 2 | — | SE 4 | SSE 6 | SE 7 | SE 7 | SSE 6 | — | — |
| kJ | 3323 | 3580 | 3141 | 2088 | 1733 | 1064 | 755 | 619 | — | — | — | 1 | — | 24 | 80 | 357 | 67 | 19 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 693 | 426 | 293 | 210 | 157 | 47 | 47 | 13 | 0 | 13 | 0 | 0 | 19 | 0 | 13 | 47 | 0 | 0 | 19 | 0 |
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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