Surf Forecasts:
Turtles surf forecast from 7 Sep 2026:
- Best quality surf: Thursday 10 Sep, 8AM (local time) - 6ft (1.8m), 15s period, WSW swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 5AM (local time) - 8ft (2.5m), 16s period, SW swell with 3,039 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 8AM (local time) - 6ft (1.8m), 15s 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 Thursday (Sep 10) at 8AM. The primary swell is predicted to be 1.8m and 15s 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 2.5m 16s and forecast to arrive on Tuesday (Sep 08) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Wednesday (Sep 09) at 2AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 10th Sep) | 6ft (1.8m) 15s |
| Best Surf | 8AM (Thu 10th Sep) | 6ft (1.8m) 15s |
| Most Powerful | 5AM (Tue 8th Sep) | 8ft (2.5m) 16s |
Table - best surf conditions forecast for Turtles over the next 16 days.
The Lowdown
G’day, Rusty here. I’m gonna be straight with ya – this stretch at Turtles is a proper love-hate thing. Plenty of swell, but the wind is gonna be an absolute mongrel for most of it. There’s one morning that’s a real gem if you’re keen to wait.
Water temp is around 71°, pretty much normal for the time of year.
The first real chance to get wet is Tuesday, September 8th. A solid SW groundswell, 8ft at 16 seconds, with a clean cross-off SE breeze at 19 mph. That’s good for the advanced crew. Wave energy is strong (2484). The arvo gets a bit chopped though.
Wednesday 9th is similar, with the swell easing a touch to 7–7ft. The morning is clean again, but the afternoon wind drops to a gentle 9 mph SSE, still cross-off, and the waves clean right up. That’s a nice option, moderate energy (1982).
Now, the absolute standout – Thursday morning, September 10th. This is the one. Get down early. We’ve got a 6ft WSW groundswell, 15 seconds, and the wind is barely a whisper out of the ESE at just 3 mph. That’s glassy. Perfect conditions. It’s not huge, but for a reef break that loves direction, this is prime for experienced surfers. Wave energy is moderate (1421). Expect company though – crowds are “often” here, so you won’t be alone.
From Thursday arvo onward, the wind turns into a real pain. It’s cross, cross-on, or onshore most of the time. The swell sticks around, often 6ft to 8ft, but the quality tanks. There’s a big gap of poor days from Thursday afternoon until maybe Friday morning September 18th.
Friday morning September 18th is a little reprieve – clean again with a light cross-off SE breeze at 6 mph and a 4ft WSW swell, 13 seconds. Low energy (910) but clean. A nice little session if you’re keen.
Then it gets big. Saturday September 19th morning shows 12ft WSW at 16 seconds with cross-on wind. Huge energy (5507) but messy – only for the brave. Tuesday morning September 22nd is another big one: 10ft WSW at 18 seconds, with a clean cross-off SE wind at 19 mph. That’s a massive, powerful swell (5452) and clean for the morning, before the wind goes crazy in the arvo.
If I’m picking the best, it’s that Thursday morning, September 10th. Small, but perfect. For the big-wave crew, Tuesday morning September 22nd is the biggest clean window, but it’s a long way off – keep it on the radar, but don’t hold your breath.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 16°C on Tue morning). Winds decreasing (strong winds from the S on Mon night, light winds from the ESE by Thu morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Thu afternoon, min 18°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||
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 16 | WSW 16 | SW 16 | SW 15 | SW 16 | SW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 15 | WSW 14 | WSW 19 | WSW 17 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3256 | 2206 | 2484 | 2437 | 2558 | 2173 | 1982 | 1412 | 1368 | 1102 | 785 | 665 | 647 | 1406 | 2842 | 2084 | 1572 | 1589 | 2082 | 1874 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-off | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross | cross-off |
High Tide | 6:19AM1.06m | 9:36PM0.72m | 7:52AM1.07m | 9:47PM0.83m | 9:01AM1.09m | 10:08PM0.94m | 9:56AM1.09m | 10:33PM1.05m | 10:42AM1.07m | 10:58PM1.14m | 11:23AM1.02m | 11:25PM1.21m | ||||||||
Low Tide | 2:40PM0.24m | 1:25AM0.64m | 3:19PM0.21m | 2:52AM0.52m | 3:51PM0.21m | 3:48AM0.39m | 4:18PM0.23m | 4:33AM0.28m | 4:43PM0.26m | 5:14AM0.20m | 5:06PM0.29m | |||||||||
 |  | | | | | | | | | | | | | | | | | | | |
 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:17 | — | — | 6:17 | — | — | 6:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 21 | 19 | 24 | 23 | 20 | 26 | 24 | 24 | 24 | 21 | 22 | 22 | 21 | 21 | 21 | 20 | 21 | 23 | 19 |
Feels °C | 16 | 14 | 12 | 18 | 17 | 14 | 22 | 20 | 23 | 21 | 21 | 20 | 20 | 19 | 20 | 19 | 17 | 18 | 19 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 16 | SW 16 | WSW 15 | SW 16 | SW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 15 | WSW 14 | WSW 14 | WSW 17 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 |
| kJ | 3256 | 2206 | 2484 | 1809 | 2558 | 2173 | 1982 | 1412 | 1368 | 1102 | 785 | 665 | 647 | 789 | 2842 | 2084 | 1572 | 1589 | 2082 | 1874 |
Swell 2 Height (m) Direction Period (s) | — | SSW 8 | — | — | — | — | — | — | W 26 | W 24 | W 24 | W 22 | W 20 | WSW 19 | — | — | — | — | — | — |
| kJ | — | 300 | — | — | — | — | — | — | 53 | 44 | 98 | 335 | 392 | 1406 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 24 | SSW 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 98 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SE 4 | SE 4 | SW 15 | SE 4 | ESE 4 | — | S 5 | — | — | — | NNW 3 | NNW 3 | — | — | — | — | — | SSW 3 | SSW 5 |
| kJ | 185 | 32 | 22 | 2437 | 43 | 26 | — | 50 | — | — | — | 3 | 6 | — | — | — | — | — | 8 | 69 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 980 | 424 | 1060 | 902 | 541 | 1124 | 25 | 521 | 0 | 792 | 0 | 916 | 1269 | 1163 | 1693 | 1693 | 424 | 241 | 1695 | 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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