Surf Forecasts:
Turtles surf forecast from 28 Aug 2026:
- Best quality surf: Sunday 30 Aug, 5AM (local time) - 4.5ft (1.3m), 17s period, WSW swell with cross-offshore winds.
- Most powerful swell: Saturday 5 Sep, 2AM (local time) - 8ft (2.5m), 14s period, SW swell with 2,723 kJ wave energy.
- Next surfable swell (1★+): Sunday 30 Aug, 5AM (local time) - 4.5ft (1.3m), 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 Sunday (Aug 30) at 5AM. The primary swell is predicted to be 1.3m and 17s period with a secondary swell of 0.9m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Turtles in the next 16 days are 2.5m 14s and forecast to arrive on Saturday (Sep 05) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Tuesday (Sep 01) at 8AM.
| Wave Type | Time (AWST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 30th Aug) | 4.5ft (1.3m) 17s |
| Best Surf | 5AM (Sun 30th Aug) | 4.5ft (1.3m) 17s |
| Most Powerful | 2AM (Sat 5th Sep) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Turtles over the next 16 days.
The Lowdown
Imperial Version
Alright, Rusty here. Let’s have a good look at what’s coming our way over the next couple of weeks. We’ve got some serious potential on the cards, but you’re going to have to be patient and pick your moments.
The standout session, and it’s a real beauty, is looking like Sunday morning, the 30th of August at Turtles. Get this – glassy conditions, a clean 5ft swell rolling in from the WSW with a super long period of 17 seconds. This is proper groundswell, packing heaps of energy (2089) and it’s an advanced spot for a reason. That long period will mean some beautiful, powerful lines on the reef, perfect for the experienced crew. The water temp is about average for this time of year, so no surprises there.
The run-up to that is a bit average. Saturday is a write-off with a strong cross-off wind and a messy 5ft SW swell – looking more like a kitesurfing session than a paddle. After Sunday’s glass-off, the quality takes a hit. Monday the 31st and Tuesday the 1st of September have solid swell hanging around the 6ft to 7ft mark, but the cross-onshore winds will chop it up.
The second week gets interesting again, but it’s a bit touch and go. We get a clean window on Monday the 7th of September morning with a strong offshore breeze from the ESE and a 6ft SW swell. It’ll be clean, but that strong offshore will make paddling into the waves tough. The real dark horse for the long-range is Tuesday the 8th of September. The morning has a fresh offshore ENE breeze on a small 3ft swell, but it’s the afternoon that has my attention – a light breeze, a 3ft WSW swell with a very long 18-second period, and the forecast is calling it excellent for experienced surfers. That’s a sleeper pick for the connoisseurs.
Later in the second week, on Friday the 11th of September, there’s a big 8ft WSW groundswell on the cards, but the winds look messy. It’s one to watch, but far out and uncertain. Stay sharp, and pick your windows.
- Rusty
Short Range ForecastMostly dry. Warm (max 21°C on Sun afternoon, min 15°C on Sat morning). Winds decreasing (fresh winds from the S on Fri night, calm by Sun morning). | Days 5-7 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 15°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||||
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 12 | SW 12 | WSW 19 | WSW 17 | WSW 18 | WSW 17 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 1408 | 760 | 524 | 772 | 2089 | 2299 | 2404 | 1972 | 2096 | 1915 | 1675 | 1324 | 1093 | 911 | 874 | 845 | 854 | 1027 | 1330 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | glassy | cross-on | cross | cross-on | cross-on | cross-off | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross | cross-off |
High Tide | 11:03PM0.96m | 10:37AM1.08m | 11:22PM1.04m | 11:15AM1.06m | 11:43PM1.12m | 11:52AM1.01m | 00:07AM1.18m | 12:29PM0.94m | 00:33AM1.23m | 1:08PM0.85m | 1:02AM1.25m | 1:50PM0.75m | 1:36AM1.24m | ||||||
Low Tide | 4:37AM0.43m | 5:01PM0.20m | 5:13AM0.34m | 5:21PM0.23m | 5:49AM0.27m | 5:41PM0.26m | 6:26AM0.22m | 6:02PM0.30m | 7:06AM0.19m | 6:23PM0.34m | 7:50AM0.20m | 6:44PM0.38m | |||||||
 |  | | | | | | | | | | | |  | | | | | | |
 | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — |
 | 6:13 | — | 6:13 | — | — | 6:14 | — | — | 6:14 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 20 | 18 | 20 | 21 | 20 | 20 | 21 | 19 | 21 | 24 | 20 | 21 | 23 | 18 | 20 | 24 | 20 |
Feels °C | 11 | 13 | 16 | 14 | 20 | 18 | 17 | 19 | 17 | 16 | 17 | 21 | 16 | 17 | 18 | 13 | 14 | 19 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | WSW 19 | WSW 17 | WSW 18 | WSW 17 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | SW 14 |
| kJ | 1408 | 760 | 524 | 772 | 2089 | 2299 | 2404 | 1972 | 2096 | 1915 | 1675 | 1324 | 1093 | 911 | 874 | 845 | 854 | 1027 | 1330 |
Swell 2 Height (m) Direction Period (s) | W 20 | WSW 21 | WSW 19 | SW 11 | — | — | — | W 20 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 153 | 292 | 237 | — | — | — | 373 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | — | — | SSW 5 | — | — | — | — | — | S 4 | S 4 | SSW 4 | S 5 | SSW 6 | SSW 6 | S 6 | S 6 | SSW 5 | SSW 4 |
| kJ | 11 | — | — | 23 | — | — | — | — | — | 18 | 26 | 27 | 54 | 101 | 159 | 165 | 112 | 53 | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 541 | 241 | 920 | 25 | 0 | 424 | 25 | 25 | 1281 | 521 | 25 | 916 | 541 | 241 | 1281 | 424 | 241 | 982 | 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.
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