Surf Forecasts:
Turtles surf forecast from 4 Aug 2026:
- Best quality surf: Thursday 6 Aug, 11AM (local time) - 8ft (2.5m), 16s period, WSW swell with cross-offshore winds.
- Most powerful swell: Sunday 9 Aug, 11AM (local time) - 10ft (3.0m), 17s period, SW swell with 5,505 kJ wave energy.
- Next surfable swell (1★+): Wednesday 5 Aug, 2AM (local time) - 7ft (2.1m), 17s period with WSW 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 05) at 2AM. The primary swell is predicted to be 2.1m and 17s period with a secondary swell of 0.6m and 5s. 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 17s and forecast to arrive on Sunday (Aug 09) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Tuesday (Aug 11) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 5th Aug) | 7ft (2.1m) 17s |
| Best Surf | 11AM (Thu 6th Aug) | 8ft (2.5m) 16s |
| Most Powerful | 11AM (Sun 9th Aug) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Turtles over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m looking at the next couple of weeks for us. We’ve got one spot on the radar, and it’s a bit of a wild card.
The main event is Turtles, a heavy reef break for advanced surfers only. There’s a huge gap at the start of the period with nothing really worth paddling out for until we get towards the end of the first week. The water is sitting at 74°F, which is about a degree and a half warmer than what we usually see this time of year, so it’s a touch toastier than normal.
The whole run kicks off on Tuesday, August 4th with a 5ft swell from the WSW, but it’s got a decent period of 19 seconds behind it. The wind is a cross-offshore, but the energy is just not there for a proper session. You’ll be fighting the tide and the conditions will feel marginal.
The real standout, the one you want to circle, is Thursday morning, August 6th. We’ve got a solid 8ft swell from the WSW with a 16-second period. The wind is a clean cross-offshore from the SE, and the combined energy is pumping at 3685 – that’s a lot of power in the water. This is excellent, heavy surf for experienced surfers. The sets will be long and powerful, but the paddle out will be easier between them. The direction is a sweet spot for this break.
Friday, August 7th drops back a little to 7ft from the WSW, but the wind is more side-shore, so it’s not as clean. Still a decent option for the skilled crew.
The following Sunday, August 9th, gets a big spike in energy. Swell jumps to 10ft from the SW with a 17-second period, and the combined energy is a massive 5515. The wind is a clean cross-offshore, but at 10ft this is deep water, expert territory only. This is a powerful, intimidating wave.
Thursday morning, August 13th, is another sneaky good one. The swell is back down to a more manageable 5ft from the SW with a 15-second period, but the wind is a light offshore from the E at just 6 mph. Glassy conditions for a tricky reef. The energy is still strong at 2094, so it’ll have plenty of push for the size.
The next big pulse arrives on Sunday, August 16th – again 10ft from the WSW with a 17-second period and a light offshore breeze. The energy is 4762. This is another stand-out day for the experienced, but it’s in the second week, so keep an eye on the forecast.
Monday, August 17th, is worth a mention. The swell drops to 7ft from the WSW, but the wind is almost nothing from the SSE at just 3 mph, giving us clean, glassy conditions early in the morning. That’s a nice window for the big-wave chargers.
This is a spot that’s fairly consistent, but it’s a fickle reef and the crowds are often around. Given the size of the swell on the bigger days, and the fact it’s a reef, if the wind is strong and the quality drops, it could be more interesting for the kite crew than the paddle crew. For now, Thursday the 6th and Sunday the 16th are your best bets for a proper, heavy session.
Rusty.
Short Range ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Warm (max 24°C on Wed afternoon, min 18°C on Tue afternoon). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Fri night. Warm (max 21°C on Fri night, min 12°C on Sat night). Winds increasing (light winds from the SW on Fri night, strong winds from the SSE by Sat night). | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | ||||||||||||||
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) | WSW 19 | WSW 17 | WSW 16 | SW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 15 | WSW 15 | SW 14 | SW 17 | SW 17 | SW 17 | SW 16 | SW 15 | SW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1753 | 2594 | 2450 | 2291 | 3100 | 3685 | 3548 | 2900 | 2472 | 2472 | 2348 | 2326 | 1714 | 2577 | 5505 | 5364 | 3610 | 2185 | 2319 | 965 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:48AM1.15m | 2:00PM0.80m | 2:19AM1.17m | 2:52PM0.69m | 2:57AM1.19m | 4:03PM0.58m | 3:46AM1.19m | 6:11PM0.52m | 4:52AM1.18m | 6:15AM1.17m | ||||||||||
Low Tide | 7:03PM0.28m | 8:11AM0.34m | 7:24PM0.34m | 9:07AM0.33m | 7:45PM0.40m | 10:20AM0.32m | 8:03PM0.45m | 12:03PM0.30m | 8:07PM0.50m | 1:47PM0.23m | 2:55PM0.16m | |||||||||
 |  |  |  |  | | |  | | | | | |  |  | | | | | | |
 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — |
 | 6:04 | — | — | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — | — | 6:06 | — |
mm | 5 | 2 | — | — | — | — | — | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 20 | 24 | 22 | 21 | 23 | 20 | 20 | 19 | 21 | 20 | 20 | 17 | 14 | 19 | 19 | 17 | 21 | 21 |
Feels °C | 18 | 16 | 18 | 23 | 19 | 19 | 21 | 18 | 18 | 18 | 21 | 14 | 13 | 10 | 6 | 12 | 13 | 10 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 19 | WSW 17 | WSW 16 | SW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | SW 15 | WSW 15 | SW 14 | SW 17 | SW 17 | SW 17 | SW 16 | SW 15 | SW 14 |
| kJ | 1753 | 2594 | 2450 | 2291 | 3100 | 3685 | 3548 | 2900 | 2472 | 2472 | 2348 | 2326 | 1714 | 2577 | 5505 | 5364 | 3610 | 2185 | 2319 | 965 |
Swell 2 Height (m) Direction Period (s) | N 5 | N 5 | NNE 5 | — | — | — | — | — | WNW 13 | NW 12 | NW 11 | NW 11 | NW 11 | WSW 18 | WNW 10 | WNW 10 | W 21 | WSW 19 | NW 10 | WSW 18 |
| kJ | 25 | 16 | 11 | — | — | — | — | — | 16 | 23 | 33 | 31 | 29 | 651 | 10 | 10 | 432 | 502 | 4 | 443 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 11 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 5 | — | — | — | S 4 | S 5 | — | — | — | SSW 5 | SSW 5 | SE 5 | SE 4 | — | S 5 | SSE 5 | SE 4 | SSE 5 |
| kJ | — | — | 15 | — | — | — | 13 | 15 | — | — | — | 55 | 69 | 49 | 23 | — | 56 | 56 | 7 | 82 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 241 | 0 | 7 | 7 | 424 | 0 | 1281 | 7 | 7 | 7 | 1292 | 1693 | 1694 | 424 | 424 | 241 | 424 | 424 | 241 | 541 |
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.
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