
Surf Forecasts:
Turtles surf forecast from 10 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 5PM (local time) - 7.5ft (2.3m), 16s period, SW swell with offshore winds.
- Most powerful swell: Tuesday 11 Aug, 11PM (local time) - 10ft (3.0m), 16s period, SW swell with 3,937 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 5PM (local time) - 7.5ft (2.3m), 16s period with SW swell.
Best Forecast Surf Conditions for Turtles this week:
The surf forecast for Turtles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 12) at 5PM. The primary swell is predicted to be 2.3m and 16s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Turtles in the next 16 days are 3.0m 16s and forecast to arrive on Tuesday (Aug 11) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Tuesday (Aug 11) at 11AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 12th Aug) | 7.5ft (2.3m) 16s |
| Best Surf | 5PM (Wed 12th Aug) | 7.5ft (2.3m) 16s |
| Most Powerful | 11PM (Tue 11th Aug) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Turtles over the next 16 days.
The Lowdown
Alright surfers – Rusty here. We’ve only got one spot on the radar for the next couple weeks, and it’s a beauty for the crew that’s ready for it. This is not beginner territory, so keep that in mind.
The big story is a long run of good-to-excellent groundswell at Turtles, a reef break that demands respect. The water’s sitting right around 73°, which is pretty average for this time of year, so nothing weird there.
We kick things off Monday afternoon, but that’s a write-off: cross-onshore wind and lumpy conditions on a 7 ft SW swell. Don’t bother.
The real show starts Tuesday morning, August 11. We’ve got a 7 ft SSW swell at 10 seconds, but the wind is a strong 25 mph cross-offshore, keeping it clean. The combined energy is already pumping (1722). Tuesday afternoon bumps up to a 10 ft SW swell with a 16-second period – that’s proper groundswell, and the energy is massive (3916). That’s expert territory, and the cross-off wind holds.
Wednesday, August 12, is the standout. Morning has a 8 ft SW swell at 16 seconds with fresh offshore wind from the ESE. Clean as a whistle. But Wednesday afternoon is the pick: 8 ft SW, 16-second period, moderate offshore wind, and the conditions are dialed for experienced surfers (2516 combined energy). This is the session to book around.
Thursday morning, August 13, is still clean with a cross-off breeze on 6 ft SW, but Thursday afternoon is better: light breeze, clean, 6 ft SW at 15 seconds, excellent conditions for good surfers (1486 energy).
Friday morning, August 14, is another gem. A 7 ft WSW groundswell with a 17-second period – that’s very long period, so the waves will have serious push. Light cross-off wind, clean, and a solid 2342 energy reading. Excellent.
Saturday morning, August 15, serves up gentle offshore wind on a 6 ft SW swell. Clean and good.
Sunday morning, August 16, is glassy. Absolutely glassy. 5 ft SW at 13 seconds, no wind. The energy is lower (805), but it’ll be smooth and fun. Afternoon turns to cross-on chop though.
Now, heading into the second week, the pattern holds but the winds get trickier. Monday, August 17, brings a 7 ft WSW swell with onshore wind – not ideal, but the quality is marginal, not terrible. Tuesday, August 18 morning has a 8 ft WSW swell (3336 energy) with cross-off wind, clean. That’s a big one. Wednesday morning, August 19, has a 8 ft WSW swell with onshore wind again.
The later part of the week (August 20–22) gets messy with strong onshore winds and lumpy conditions. Some big swells (over 10 ft at times) but the wind wrecks it. Not recommended for paddle surfing – that setup on the beach might be more interesting for kite folks.
Sunday, August 23, has a 8 ft WSW swell with light cross-on wind, marginal but maybe worth a look. Monday, August 24, morning is 6 ft SW with gentle cross-on chop.
The clear winner across the whole period: Wednesday afternoon, August 12. That’s the one. Moderate offshore, clean, 8 ft SW at 16 seconds, excellent conditions.
Keep in mind Turtles is fairly consistent but can be inconsistent at times – it’s a reef, so when it’s on, it’s on, but don’t expect non-stop action. Crowds are often, so you’ll have company. This swell comes from the SSW to WSW, and the spot loves it. The 17-second period on Friday the 14th will make the reef work its magic – the waves will have serious shape and the lulls between sets will let you get back out easy.
Stay safe, respect the locals, and paddle hard.
Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Wed afternoon, min 11°C on Wed morning). Mainly strong winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Sat afternoon, min 16°C on Fri morning). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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) | SW 15 | SW 14 | SSW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 17 | WSW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 16 |
Wave Graph | ||||||||||||||||||||
2146 | 911 | 841 | 3916 | 3756 | 2941 | 2516 | 1563 | 1308 | 1486 | 2136 | 2323 | 2328 | 1822 | 1237 | 1289 | 988 | 780 | 613 | 1788 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-off | off | cross-on | cross-off | glassy | cross-on | cross-on |
High Tide | 7:40AM1.19m | 10:31PM0.72m | 8:52AM1.22m | 10:51PM0.81m | 9:53AM1.22m | 11:16PM0.92m | 10:45AM1.19m | 11:43PM1.02m | 11:31AM1.13m | 00:11AM1.11m | 12:14PM1.05m | 00:39AM1.17m | ||||||||
Low Tide | 3:43PM0.11m | 2:13AM0.61m | 4:21PM0.08m | 3:31AM0.52m | 4:54PM0.09m | 4:31AM0.42m | 5:22PM0.13m | 5:22AM0.34m | 5:48PM0.18m | 6:09AM0.29m | 6:12PM0.23m | |||||||||
— | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | |
6:06 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:08 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 15 | 19 | 18 | 15 | 22 | 21 | 20 | 23 | 21 | 19 | 22 | 22 | 23 | 26 | 22 | 22 | 22 | 22 |
Feels °C | 14 | 14 | 5 | 9 | 10 | 5 | 14 | 14 | 11 | 18 | 14 | 15 | 18 | 18 | 18 | 23 | 18 | 21 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SSW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 17 | WSW 17 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 16 |
2146 | 911 | 841 | 3916 | 3756 | 2941 | 2516 | 1563 | 1308 | 1486 | 2136 | 2323 | 2328 | 1822 | 1237 | 1289 | 988 | 780 | 613 | 1788 | |
Swell 2 Height (m) Direction Period (s) | NW 10 | WSW 18 | SW 13 | — | — | — | — | W 23 | WSW 21 | NE 5 | — | S 5 | — | — | S 6 | — | — | S 5 | WSW 16 | — |
4 | 352 | 363 | — | — | — | — | 43 | 150 | 6 | — | 19 | — | — | 39 | — | — | 25 | 385 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 5 | — |
— | — | 518 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | — | |
Wind waves Height (m) Direction Period (s) | — | SSW 6 | SE 5 | SE 5 | SE 5 | ESE 5 | SE 4 | SSE 4 | ENE 4 | — | SSE 4 | — | — | S 5 | — | — | S 4 | — | — | — |
— | 132 | 91 | 26 | 63 | 44 | 15 | 32 | 13 | — | 32 | — | — | 54 | — | — | 29 | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1694 | 1059 | 792 | 792 | 424 | 521 | 0 | 424 | 521 | 0 | 424 | 0 | 424 | 25 | 0 | 792 | 424 | 0 | 424 | 1693 |
Best forecast wave conditions in North West WA | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Turtles Surf forecast
The above surf forecast table for Turtles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Turtles can be found by selecting the local surf guide option on the grey menu. Our Turtles 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 (Turtles) 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 Turtles 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.











