
Surf Forecasts:
Turtles surf forecast from 4 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 5PM (local time) - 6.5ft (2.0m), 16s period, WSW swell with offshore winds.
- Most powerful swell: Sunday 6 Sep, 8AM (local time) - 13ft (4.0m), 13s period, SW swell with 4,597 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 5PM (local time) - 6.5ft (2.0m), 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 Wednesday (Sep 09) at 5PM. The primary swell is predicted to be 2.0m 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 4.0m 13s and forecast to arrive on Sunday (Sep 06) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Tuesday (Sep 08) at 5AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Wed 9th Sep) | 6.5ft (2.0m) 16s |
| Best Surf | 5PM (Wed 9th Sep) | 6.5ft (2.0m) 16s |
| Most Powerful | 8AM (Sun 6th Sep) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Turtles over the next 16 days.
The Lowdown
Alright, let’s get into it. This is Rusty, checking in on the only spot on the table: Turtles.
Right off the bat, it’s not looking great. Saturday morning the 5th kicks off with a solid 8ft SW swell, a 16-second period—proper groundswell energy—and a combined energy reading of 3178, which is strong. But that cross-onshore wind from the SW is making it messy. It stays lumpy all day and into Sunday, when the swell jumps to 12ft but the cross-shore wind cranks up to 28 mph on Sunday morning. That’s just ugly, and on a reef—if you’re an expert and you can handle the hack, maybe, but for most of us it’s a write-off.
The first real glimpse of something decent comes on Monday morning the 7th. The swell drops back to 8ft from the SW, still a 17-second period, and the wind swings SE—clean, cross-offshore. The combined energy is through the roof at 4393, so there’s plenty of push. That morning slot looks like the best of the early week, but it’s still marginal due to tide issues, and the crowds at Turtles can be a problem—this spot is often busy, and you’ll have company.
We have to wait until Wednesday the 9th afternoon for the first real standout. By then the swell has shifted to 7ft from the WSW, still a long 16-second period, but the wind goes offshore from the ESE at 12 mph. That’s clean, lined-up, and with 1904 combined energy, it’s moderate but well-angled. The condition is described as excellent for experienced surfers. Thursday morning the 10th is similar—6ft WSW, 15-second swell, offshore E wind at 12 mph, 1357 energy. That’s a nice, clean window for the advanced crew.
After that, the week goes flat and ragged. The following Saturday the 12th has a 6ft WSW groundswell at 18 seconds—very long period—and light cross-on wind, but that’s a beach reef setup and the wind is onshore, so it won’t hold shape well. Sunday the 13th through to the 18th is mostly messy, with lumpy wind or poor conditions. There’s a gap of several days with nothing worth paddling out for.
But then, hold on—Saturday the 19th brings a big pulse. The swell jumps to 10ft on the morning, 19-second period, from the WSW, and 7239 combined energy—that’s very strong. The wind is cross-shore from the S at 12 mph, so there’s some chop. It’s only for experts at that size, and it’s marginal due to tide, but that’s a lot of water moving. Sunday the 20th settles a bit to 8ft WSW, still strong at 3659 energy, with cleaner cross-offshore wind from the SE—that morning is your other standout for the second week.
Water temp? It’s about average for this time of year, nothing unusual. Turtles is a reef slab, so it handles the long-period groundswell well, but those big sets will be very noticeable. Expect wide lulls between the monster sets on the 19th.
Bottom line: if you’re an expert, the mornings of Wednesday the 9th through Thursday the 10th are the pick for clean, solid waves. The weekend of the 19th–20th is promising but less certain this far out. For everyone else, the first week is mostly a wipeout.
- Rusty
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 24°C on Mon afternoon, min 16°C on Sat morning). Winds increasing (light winds from the SW on Sat morning, near gales from the SW by Sat night). | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Wed afternoon, min 16°C on Tue morning). Winds decreasing (strong winds from the ESE on Wed night, light winds from the WSW by Thu afternoon). | ||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||
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 16 | SW 14 | SW 14 | SW 12 | SW 12 | SW 13 | SW 17 | SW 16 | WSW 16 | SW 16 | SW 15 | SW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 14 |
Wave Graph | |||||||||||||||||||
846 | 3178 | 2185 | 4005 | 3797 | 3385 | 2618 | 4393 | 3897 | 2102 | 2185 | 2179 | 2228 | 2058 | 1904 | 1620 | 1344 | 1132 | 785 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-on | cross |
High Tide | 2:17AM1.21m | 3:56PM0.55m | 3:12AM1.16m | 4:33AM1.09m | 6:19AM1.06m | 9:36PM0.72m | 7:52AM1.07m | 9:47PM0.83m | 9:01AM1.09m | 10:08PM0.94m | |||||||||
Low Tide | 9:55AM0.29m | 7:19PM0.48m | 11:51AM0.31m | 1:41PM0.28m | 2:40PM0.24m | 1:25AM0.64m | 3:19PM0.21m | 2:52AM0.52m | 3:51PM0.21m | 3:48AM0.39m | |||||||||
— | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | |
6:15 | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | |
mm | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 20 | 20 | 20 | 21 | 20 | 21 | 24 | 21 | 20 | 25 | 23 | 21 | 27 | 25 | 22 | 24 | 21 |
Feels °C | 15 | 17 | 15 | 14 | 12 | 13 | 13 | 15 | 18 | 14 | 11 | 17 | 15 | 14 | 23 | 18 | 18 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 16 | SW 14 | — | W 22 | SW 12 | SW 13 | SW 17 | SW 16 | WSW 16 | SW 16 | SW 15 | SW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 14 |
846 | 3178 | 2185 | — | 9 | 3385 | 2618 | 4393 | 3897 | 2102 | 2185 | 2179 | 2228 | 2058 | 1904 | 1620 | 1344 | 1132 | 785 | |
Swell 2 Height (m) Direction Period (s) | WSW 16 | — | — | — | — | WSW 21 | WSW 20 | — | — | — | — | — | — | — | — | S 5 | SSE 5 | W 24 | W 24 |
604 | — | — | — | — | 89 | 507 | — | — | — | — | — | — | — | — | 16 | 5 | 44 | 98 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 26 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 | — | — | |
Wind waves Height (m) Direction Period (s) | SSW 5 | — | SW 4 | SW 14 | SW 12 | — | SE 4 | SE 4 | S 4 | S 7 | SE 5 | S 5 | ESE 4 | E 4 | — | ESE 4 | E 4 | S 3 | S 4 |
37 | — | 17 | 4005 | 3797 | — | 25 | 24 | 36 | 303 | 54 | 51 | 29 | 30 | — | 24 | 13 | 4 | 10 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 424 | 241 | 1275 | 607 | 1456 | 1060 | 980 | 424 | 920 | 25 | 1075 | 241 | 521 | 1124 | 0 | 792 | 0 | 422 | 422 |
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.










