Surf Forecasts:
Turtles surf forecast from 3 Aug 2026:
- Best quality surf: Tuesday 4 Aug, 2PM (local time) - 4.5ft (1.3m), 16s period, WSW swell with offshore winds.
- Most powerful swell: Sunday 9 Aug, 11AM (local time) - 10ft (3.0m), 17s period, SW swell with 4,777 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 2PM (local time) - 4.5ft (1.3m), 16s 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 Tuesday (Aug 04) at 2PM. The primary swell is predicted to be 1.3m and 16s period with a secondary swell of 0.8m and 6s. 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 0.8m 4s period and expected on Sunday (Aug 09) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Tue 4th Aug) | 4.5ft (1.3m) 16s |
| Best Surf | 2PM (Tue 4th Aug) | 4.5ft (1.3m) 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, Rusty here. Let’s have a look at what’s coming our way.
We’ve got a solid run of swell on the cards for Turtles, but it’s not all picnic weather. The first few days are a bit of a tease – the swell is there, but the wind is a bit messy, and the surf forecast is only marginal. The real action starts to build from Wednesday the 5th onwards, with a long-period groundswell from the WSW that packs some serious energy. The water temp is sitting at 74°, which is about average for this time of year, so no shock to the system there.
The standout window is going to be Saturday the 15th and Sunday the 16th. Saturday morning at Turtles is looking like a gem. You’ve got a clean 3ft swell from the WSW with a very long period of 18 seconds, and a light offshore breeze from the east. That’s groundswell perfection for a reef break like this – long, grinding lines with plenty of power. The combined energy is 1274 (moderate), but the quality from that period and wind combo will make it feel like a lot more. It’s a bit too small for the beginners, but for anyone who knows how to read a reef, it’s pure magic. Crowds are likely here, so get in early.
Sunday the 16th morning is also a real contender. We’ve got a 7ft swell from the WSW, period of 17 seconds, and a light offshore from the ENE. The combined energy jumps to 2096 (moderate), and the waves will have some real punch. This is expert territory at 7ft on a reef, especially with that long period making the sets a bit more spaced out. It’s clean, powerful, and the paddle out will be easier between sets. Another one to circle on the calendar.
Later in the run, Monday the 17th morning is worth a mention too. A 6ft WSW swell with a 15-second period, and barely a breath of wind from the ENE – near glassy conditions. The energy is 1292 (moderate), and it’ll be another clean, lined-up session for the experienced crew. After that, the wind starts to get a bit onshore and messy through the afternoons, so the mornings are definitely the go.
Overall, it’s a classic long-period groundswell sequence for Turtles. The best windows are Saturday the 15th and Sunday the 16th mornings. The first week is a bit of a write-off with the wind, so don’t get too excited about the early days. The second week brings the goods, but it’s for the advanced crew only. Be ready for crowds, especially on the weekend.
Rusty.
Short Range ForecastHeavy rain (total 40mm), heaviest during Tue morning. Warm (max 24°C on Wed afternoon, min 17°C on Tue morning). Winds decreasing (fresh winds from the NNE on Mon night, light winds from the SE by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Thu afternoon, min 15°C on Sun morning). Winds increasing (light winds from the SSW on Thu afternoon, fresh winds from the SSE by Sat night). | |||||||||||||||||||
Mon 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | ||||||||||||||
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 13 | SW 14 | WSW 16 | WSW 19 | WSW 17 | WSW 16 | SW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SW 16 | WSW 15 | WSW 15 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||
 kJ | 880 | 857 | 811 | 1753 | 2594 | 2450 | 2291 | 3139 | 3504 | 3548 | 2900 | 2330 | 2291 | 2241 | 2155 | 2358 | 3034 | 4777 | 4313 | 2627 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-off | cross-off | cross | cross | cross | on | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:21AM1.10m | 1:16PM0.90m | 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 | |||||||||
Low Tide | 6:42PM0.23m | 7:25AM0.37m | 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 | ||||||||
 |  |  |  |  |  | |  |  |  |  | | | | | | | | | | |
 | — | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — |
 | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:06 | — |
mm | 4 | 14 | 12 | 9 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 20 | 17 | 17 | 19 | 20 | 24 | 22 | 22 | 24 | 21 | 20 | 22 | 21 | 19 | 22 | 19 | 18 | 22 | 18 |
Feels °C | 19 | 15 | 14 | 15 | 18 | 18 | 23 | 19 | 20 | 23 | 19 | 18 | 19 | 19 | 14 | 17 | 13 | 12 | 16 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 14 | WSW 16 | WSW 19 | WSW 17 | WSW 16 | SW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | SW 16 | WSW 15 | WSW 15 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 |
| kJ | 880 | 857 | 811 | 1753 | 2594 | 2450 | 2291 | 3139 | 3504 | 3548 | 2900 | 2330 | 2291 | 2241 | 2155 | 2358 | 3034 | 4777 | 4313 | 2627 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | W 12 | W 21 | N 6 | N 6 | NNE 6 | — | — | — | — | — | WNW 13 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | WNW 10 | WNW 10 | W 21 |
| kJ | 385 | 3 | 227 | 26 | 23 | 10 | — | — | — | — | — | 16 | 23 | 33 | 31 | 30 | 17 | 10 | 10 | 332 |
Swell 3 Height (m) Direction Period (s) | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 11 | — | WNW 10 | NW 11 |
| kJ | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | — | 10 | 5 |
Wind waves Height (m) Direction Period (s) | N 5 | N 6 | N 6 | — | — | — | — | S 4 | S 5 | SSW 4 | S 4 | S 3 | — | S 4 | S 4 | — | SSE 4 | — | — | SSW 6 |
| kJ | 100 | 202 | 59 | — | — | — | — | 17 | 18 | 21 | 13 | 8 | — | 9 | 29 | — | 22 | — | — | 122 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1163 | 243 | 241 | 241 | 0 | 7 | 7 | 241 | 25 | 1269 | 241 | 243 | 1693 | 1693 | 1059 | 1075 | 424 | 424 | 251 | 424 |
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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