Surf Forecasts:
Castles surf forecast from 10 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 9PM (local time) - 6.5ft (2.0m), 15s period, SW swell with cross-offshore winds.
- Most powerful swell: Monday 13 Jul, 6PM (local time) - 10ft (3.0m), 17s period, SW swell with 5,441 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 9PM (local time) - 6.5ft (2.0m), 15s period with SW swell.
Best Forecast Surf Conditions for Castles this week:
The surf forecast for Castles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 14) at 9PM. The primary swell is predicted to be 2.0m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Castles in the next 16 days are 3.0m 17s and forecast to arrive on Monday (Jul 13) at 6PM. Winds are predicted to be onshore 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 17) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Tue 14th Jul) | 6.5ft (2.0m) 15s |
| Best Surf | 9PM (Tue 14th Jul) | 6.5ft (2.0m) 15s |
| Most Powerful | 6PM (Mon 13th Jul) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Castles over the next 16 days.
G'day, I'm Rusty. Let's have a look at what's coming up for Castles.
Alright, this is a bit of a tough stretch to start with. The first few days are a write-off for us. We're looking at a solid patch of onshore wind and messy conditions that'll have you wondering why you bothered. The water temp is sitting about average for this time of year at 61°, so nothing unusual there.
The first real glimmer of hope doesn't show up until Wednesday the 15th. That's a solid week of waiting. The break itself is a consistent reef setup, so when it's on, it's on. It's exposed to a WSW swell, and the optimum direction is a WSW swell, so that's a good match.
So, for the standout window, you've got to circle Wednesday the 15th and Thursday the 16th. Wednesday morning is the highlight. The wind is going to be light and offshore from the ENE, cleaning things right up. You'll get a solid 6 ft of SW groundswell, with a long period of 15 seconds, giving it heaps of energy (moderate energy at 1339). That long period will make the waves shape up beautifully on this reef, and the longer gaps between sets will make paddling out a dream. It's a bit on the bigger side, so it's more for experienced surfers. Wednesday afternoon stays clean with a cross-offshore breeze and 5 ft of the same long-period swell (1140). Thursday morning and afternoon will see the swell drop to 4 ft and 3 ft, but with clean cross-offshore winds, it'll still be fun and much more manageable.
After that, the wind starts to howl from the north again, and the swell fades. By Friday the 17th, it's back to fresh breezes and poor surf. The rest of the run into the 25th is a mix of strong winds, chop, and onshore slop. There's a pulse of bigger swell around the 20th and 21st, but it's all accompanied by terrible onshore or cross-shore winds, making it a mess. Honestly, for the last week, the setup looks more interesting for kite surfing than paddle surfing with all that wind.
So, to sum it up: the first week is a bust. Don't even bother. Your one and only true standout is the morning of Wednesday the 15th. Get out there early for the cleanest, most powerful waves. The 16th is a good backup for a smaller, cleaner session. After that, it's a long wait for anything else.
Rusty.
Short Range ForecastMostly dry. Very mild (max 17°C on Fri afternoon, min 13°C on Fri morning). Winds increasing (light winds from the W on Fri afternoon, fresh winds from the SW by Sat afternoon). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Mon morning. Very mild (max 18°C on Wed afternoon, min 14°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
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 15 | SW 14 | SW 14 | WSW 7 | SW 9 | SW 12 | SW 12 | SW 12 | SW 17 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 | SW 16 | SW 14 | SW 14 | SW 14 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 558 | 459 | 331 | 455 | 772 | 1313 | 1794 | 1767 | 4690 | 3077 | 5083 | 3161 | 2811 | 2384 | 1654 | 1339 | 1140 | 746 | 513 | 377 | 627 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | on | on | on | on | on | cross-on | on | on | on | on | cross-on | off | off | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 10:15AM0.97m | 11:53PM0.50m | 11:07AM1.15m | 00:15AM0.53m | 11:48AM1.29m | 00:34AM0.55m | 12:23PM1.38m | 00:49AM0.58m | 12:54PM1.41m | 1:01AM0.62m | 1:19PM1.39m | 1:14AM0.68m | 1:39PM1.33m | 1:29AM0.76m | |||||||
Low Tide | 6:31PM0.33m | 6:49PM0.21m | 4:29AM0.36m | 7:15PM0.15m | 5:12AM0.27m | 7:39PM0.14m | 5:46AM0.18m | 7:58PM0.18m | 6:17AM0.12m | 8:10PM0.22m | 6:44AM0.10m | 8:17PM0.25m | |||||||||
 | |  | |  |  | | | |  |  | | | | | | | | | | | |
 | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — |
 | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:49 | — | — | 5:50 | — | — | 5:50 | — | — | 5:51 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 17 | 16 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 18 | 18 | 17 | 20 | 19 |
Feels °C | 12 | 13 | 12 | 8 | 6 | 9 | 10 | 10 | 11 | 10 | 10 | 11 | 13 | 14 | 14 | 13 | 15 | 14 | 11 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 14 | SW 14 | — | — | — | SW 12 | SW 12 | SW 17 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | SW 15 | SW 15 | SW 16 | SW 14 | SW 14 | SW 14 | SW 16 |
| kJ | 558 | 459 | 331 | — | — | — | 1794 | 1767 | 4690 | 3077 | 5083 | 3161 | 2811 | 2384 | 1654 | 1339 | 1140 | 746 | 513 | 377 | 627 |
Swell 2 Height (m) Direction Period (s) | WSW 4 | — | — | — | — | — | — | SW 21 | — | — | — | — | — | — | — | — | — | — | SW 19 | SW 18 | S 11 |
| kJ | 2 | — | — | — | — | — | — | 68 | — | — | — | — | — | — | — | — | — | — | 94 | 249 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 4 | WNW 4 | WSW 7 | SW 9 | SW 12 | SW 12 | SW 12 | SW 17 | SW 16 | SW 16 | SW 17 | SW 17 | SW 16 | — | — | — | — | NNE 3 | N 3 | NNE 3 |
| kJ | — | 3 | 11 | 455 | 772 | 1313 | 1144 | 1083 | 2790 | 66 | 2901 | 76 | 73 | 65 | — | — | — | — | 4 | 2 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 501 | 510 | 1228 | 1288 | 1061 | 1620 | 1344 | 648 | 1288 | 1229 | 1035 | 940 | 1045 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
Best forecast wave conditions in Nullarbor | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Castles Surf forecast
The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles 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 (Castles) 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 Castles 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.
Are you planning a holiday in Nullarbor? If you are looking for accommodation near Castles, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 64 km (40 miles) away.
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