Surf Forecasts:
Turtles surf forecast from 20 Jul 2026:
- Best quality surf: Thursday 23 Jul, 2PM (local time) - 5ft (1.6m), 15s period, SW swell with offshore winds.
- Most powerful swell: Thursday 23 Jul, 8AM (local time) - 5.5ft (1.7m), 16s period, SW swell with 1,428 kJ wave energy.
- Next surfable swell (1★+): Thursday 23 Jul, 2PM (local time) - 5ft (1.6m), 15s 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 Thursday (Jul 23) at 2PM. The primary swell is predicted to be 1.6m and 15s 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 1.7m 16s and forecast to arrive on Thursday (Jul 23) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (Jul 24) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Thu 23rd Jul) | 5ft (1.6m) 15s |
| Best Surf | 2PM (Thu 23rd Jul) | 5ft (1.6m) 15s |
| Most Powerful | 8AM (Thu 23rd Jul) | 5.5ft (1.7m) 16s |
Table - best surf conditions forecast for Turtles over the next 16 days.
The Lowdown
G'day, Rusty here, and I've got the scoop on the surf for the next couple of weeks. It's a bit of a mixed bag, but there's definitely some good water to be had if you time it right.
The first solid window kicks off on Monday morning, July 20th, but to be honest, it's a rough start. Turtles is a reef break that's only for the advanced crew, and it's fairly consistent. The water's sitting at a pretty normal 74.3°, which is about average for this time of year. On Monday morning, we're looking at a 6.6ft SW swell, but that's coming with a 30 km/h SSE wind that's cross-off, so it's clean but the energy is very strong (1360). The conditions are marginal, though. Monday afternoon gets worse with a 35 km/h S cross-shore wind making a mess of a 4.9ft SW swell.
Tuesday the 21st is a bit of a letdown. The morning has a 3.9ft SW swell with a 14-second period, and a 35 km/h SE cross-off wind keeps it clean, but it's just not doing much. The energy is moderate (757). The afternoon is better, picking up to a 6.2ft SSW swell with a 14-second period and a 30 km/h SSE cross-off wind. The energy jumps to strong (1949), but the score is still low.
Wednesday the 22nd and Thursday the 23rd are more of the same—clean surf with cross-off winds, but the swell sits around 4.9ft to 5.2ft. The energy is moderate to strong (817 to 1281). Thursday morning sees a 5.2ft SW swell with a very long 16-second period and a 35 km/h offshore wind from the E. That's a rare combo: clean, offshore, and a long period groundswell. For a reef break like Turtles, this is where it gets interesting. The long period will mean more powerful waves, longer waits between sets, and it's going to wrap in nicely. This is a standout session for the advanced crew.
Friday the 24th starts to fade. The morning has a 3.6ft SW swell with a 13-second period, and an offshore wind keeps it clean, but the energy is weak (458). The afternoon is better, with a 3.6ft swell and a 20 km/h offshore wind, but it's small.
The real highlight of the first week is Saturday, July 25th. The morning is small at 2.6ft, but the afternoon is where it's at. We've got a 3.0ft WSW swell, and the wind goes glassy from the SW at just 5 km/h. That's dead flat water, clean as a whistle. The energy is moderate (309). This is the best on offer for the first week—a tiny, clean, glassy session at Turtles. It's small, but it'll be perfect.
Sunday the 26th is a write-off. The afternoon gets a 15 km/h onshore wind from the WNW, ruining the 3.0ft swell.
The second week starts on Monday, July 27th, with a 4.9ft SW swell and a 15-second period, but the wind is cross-off from the SE. The energy is strong (1116), but the afternoon turns to crap with a cross-on wind.
Tuesday, July 28th, is the next standout. The morning has a 5.9ft SW swell with a 13-second period and a gentle 15 km/h ESE cross-off wind. The energy is strong (1144). This is over 4.9ft, so it's getting too big for beginners, but it's clean and has good power. The afternoon is a mess with a cross-on wind.
Wednesday, July 29th, to Thursday, July 30th, is a mix of clean mornings and crappy afternoons. The swells are 4.3ft with 14-16 second periods, and the energy is moderate to strong (846 to 1170). The afternoons are ruined by cross-shore or onshore winds.
Friday, July 31st, is a washout with strong winds and rain. Saturday, August 1st, sees a 6.9ft WSW swell, but it's onshore and messy. That's over 6.6ft, so it's for experts only, but the wind is poor.
The final standout is Sunday, August 2nd. The morning has a 4.9ft WSW swell with a 13-second period, and the wind is a light 5 km/h ENE—that's nearly glassy and cross-off. The energy is moderate (790). It's not huge, but it's clean, and the crowd profile at Turtles (often crowded) means you'll be sharing the lineup, but it's worth it for a clean session.
The last few days, Monday and Tuesday, August 3rd and 4th, are a letdown. Monday is onshore and messy. Tuesday the 4th has a very long 20-second period swell, but it's a small 3.0ft from the WSW, and the wind is cross-off, so it's clean but tiny. The energy is very strong (1641), but the size is lacking.
Overall, the best on offer is the Saturday morning, July 25th, glassy session, and the Thursday morning, July 23rd, with the long
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 14°C on Tue morning). Winds decreasing (strong winds from the S on Mon night, light winds from the SE by Wed afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Thu afternoon, min 17°C on Fri morning). Winds decreasing (fresh winds from the E on Thu morning, calm by Sat afternoon). | ||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | |||||||||||||||
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) | SW 13 | SW 13 | SW 13 | SW 14 | SSW 14 | SW 14 | SW 13 | SSW 13 | SW 13 | SW 16 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1360 | 746 | 466 | 518 | 1376 | 447 | 792 | 784 | 418 | 1281 | 1006 | 799 | 458 | 386 | 282 | 175 | 309 | 299 | 260 | 251 | 402 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | off | glassy | off | cross-off | on | cross-off |
High Tide | 1:54PM0.88m | 2:31AM1.13m | 2:40PM0.75m | 3:06AM1.13m | 3:30PM0.65m | 3:44AM1.11m | 4:39PM0.56m | 4:28AM1.08m | 5:22AM1.05m | 6:27AM1.04m | |||||||||||
Low Tide | 8:06AM0.39m | 7:40PM0.31m | 9:05AM0.40m | 7:59PM0.38m | 10:11AM0.41m | 8:13PM0.44m | 11:34AM0.41m | 8:20PM0.48m | 1:09PM0.38m | 2:24PM0.33m | 3:15PM0.27m | ||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | |
 | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | 5:57 | — | — | 5:58 | — | — | 5:58 | — | — | 5:59 | — | — | 5:59 | — | — | 5:59 | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 21 | 19 | 18 | 23 | 20 | 21 | 26 | 23 | 22 | 25 | 24 | 21 | 25 | 24 | 21 | 24 | 23 | 21 | 23 | 21 |
Feels °C | 13 | 15 | 12 | 10 | 16 | 12 | 14 | 21 | 16 | 13 | 18 | 17 | 13 | 18 | 18 | 14 | 20 | 20 | 14 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 18 | SW 13 | SW 16 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 16 |
| kJ | 1360 | 746 | 466 | 518 | 573 | 447 | 792 | 31 | 418 | 1281 | 1006 | 799 | 458 | 386 | 282 | 175 | 309 | 299 | 260 | 251 | 402 |
Swell 2 Height (m) Direction Period (s) | — | WSW 18 | WSW 16 | — | — | — | W 18 | WSW 18 | SSW 6 | — | — | N 6 | — | NNE 5 | W 15 | WSW 15 | N 5 | N 6 | WSW 17 | WSW 16 | WSW 12 |
| kJ | — | 32 | 103 | — | — | — | 25 | 31 | 80 | — | — | 3 | — | 17 | 121 | 167 | 12 | 6 | 119 | 171 | 180 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WSW 16 | — | — | — | — | WSW 16 | N 9 | S 4 | — | — | N 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | 339 | — | — | — | — | 87 | 15 | 1 | — | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SSW 6 | SSW 6 | S 7 | SSW 14 | S 7 | SE 4 | SSW 13 | SE 4 | ENE 4 | NE 4 | ESE 4 | ENE 4 | — | SE 3 | NE 4 | — | SSE 3 | S 3 | SSW 3 | S 3 |
| kJ | 11 | 176 | 282 | 239 | 1376 | 247 | 16 | 784 | 20 | 17 | 9 | 18 | 29 | — | 9 | 29 | — | 2 | 2 | 1 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 241 | 1059 | 424 | 541 | 241 | 521 | 535 | 25 | 792 | 845 | 7 | 535 | 796 | 0 | 241 | 796 | 0 | 0 | 243 | 243 | 241 |
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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