Surf Forecasts:
Chinamans surf forecast from 10 Aug 2026:
- Best quality surf: Friday 14 Aug, 6AM (local time) - 10ft (3.0m), 18s period, SW swell with cross-offshore winds.
- Most powerful swell: Wednesday 12 Aug, 6PM (local time) - 11ft (3.5m), 16s period, SW swell with 5,965 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 12AM (local time) - 7ft (2.2m), 16s period with SW swell.
Best Forecast Surf Conditions for Chinamans this week:
The surf forecast for Chinamans over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 12AM. The primary swell is predicted to be 2.2m and 16s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Chinamans in the next 16 days are 3.5m 16s and forecast to arrive on Wednesday (Aug 12) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Tuesday (Aug 11) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Tue 11th Aug) | 7ft (2.2m) 16s |
| Best Surf | 6AM (Fri 14th Aug) | 10ft (3.0m) 18s |
| Most Powerful | 6PM (Wed 12th Aug) | 11ft (3.5m) 16s |
Table - best surf conditions forecast for Chinamans over the next 16 days.
The Lowdown
Alright, Rusty here, let’s break down what’s coming at Chinamans.
Water temp is 59°F, right about average for this time of year.
We start on Monday the 10th of August, but it’s a rough one: a 10-foot swell from the WSW, 16-second period, but a 15 mph cross-shore wind makes it lumpy. The combined energy is a massive 9483, but it’s messy.
Tuesday the 11th is a step up. Morning has a 6-foot SW swell, 14-second period, with a strong 22 mph offshore wind – clean. The afternoon stays clean with a 5-foot SW swell, 18-second period, and 25 mph offshore wind, but it’s a tough paddle.
Wednesday the 12th and Thursday the 13th see the swell holding around 10 feet, but the wind keeps it lumpy. Energy stays in the four-thousands to seven-thousands.
The standout is Friday the 14th of August. The morning brings a 10-foot SW groundswell, 17-second period, and a light 6 mph cross-offshore breeze. Clean, powerful, energy at 5435. This is the one for experts. The afternoon stays clean with a 10-foot swell and 16-second period, though the wind goes light cross-shore.
The weekend goes bad. From Saturday the 15th through Monday the 17th, the wind turns onshore from the ESE at 9 to 13 mph, making it choppy. Swell drops from 7 feet to 5 feet.
Tuesday the 18th and Wednesday the 19th offer a reprieve. Tuesday afternoon has a 5-foot SW swell, 16-second period, with a light offshore wind – clean. Wednesday is small, 3 feet, but clean.
Then a lull. Thursday the 20th to Saturday the 22nd sees swell between 2 and 5 feet. Saturday the 22nd afternoon has a 3-foot SW swell, but a 21-second period and light wind make it glassy and clean.
Sunday the 23rd of August jumps back to 7-foot SW swell, 17 seconds, energy 4210. The morning is onshore, but the afternoon goes glassy – calm and clean for experienced surfers.
Monday the 24th gets messy again. Then Tuesday the 25th of August closes with a 8-foot SW swell, 16 seconds, and a 13 mph offshore wind, clean and powerful.
The best call is Friday the 14th of August morning. That 10-foot groundswell, long period, and light offshore wind deliver a serious, clean session for experts only.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Very mild (max 15°C on Tue afternoon, min 12°C on Mon afternoon). Winds decreasing (strong winds from the SSW on Tue night, light winds from the WSW by Thu morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 15°C on Thu night, min 12°C on Sat morning). Wind will be generally light. | |||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||
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 | SW 16 | SW 14 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 5155 | 2314 | 1521 | 1499 | 4998 | 5808 | 5357 | 4869 | 4136 | 3280 | 3080 | 5435 | 4261 | 3058 | 2314 | 2129 | 1825 | 1563 | 1290 | 1092 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | off | off | off | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:55AM0.27m | 1:14PM1.05m | 2:11AM0.35m | 1:53PM1.08m | 2:26AM0.46m | 2:27PM1.08m | 2:49AM0.57m | 2:57PM1.03m | 3:17AM0.67m | 3:23PM0.96m | 3:45AM0.75m | 3:46PM0.86m | ||||||||
Low Tide | 9:24PM0.14m | 4:16AM0.27m | 9:11PM0.13m | 6:22AM0.21m | 9:14PM0.12m | 7:25AM0.15m | 9:24PM0.11m | 8:14AM0.11m | 9:36PM0.09m | 8:57AM0.11m | 9:50PM0.09m | 9:36AM0.13m | 10:03PM0.08m | |||||||
 |  | | |  |  |  |  | | | | | |  | | | | |  | | |
 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — |
 | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — | — | 5:51 | — |
mm | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 15 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 12 | 12 | 12 |
Feels °C | 8 | 9 | 6 | 7 | 7 | 6 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 10 | 8 | 7 | 8 | 7 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | WSW 16 | SW 16 | SW 14 | SW 18 | W 8 | SW 18 | — | SW 16 | SW 16 | SW 15 | SW 15 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 |
| kJ | 5155 | 2314 | 1521 | 1499 | 270 | 2030 | — | 2349 | 4136 | 3280 | 3080 | 5435 | 4261 | 3058 | 2314 | 2129 | 1825 | 1563 | 1290 | 1092 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WSW 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 203 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 289 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 16 | — | NW 5 | NNW 5 | SW 17 | SW 17 | SW 17 | SW 16 | — | — | — | — | — | — | — | E 3 | E 4 | ESE 4 | — | ESE 3 |
| kJ | 4328 | — | 98 | 83 | 4998 | 5808 | 5357 | 4869 | — | — | — | — | — | — | — | 5 | 7 | 4 | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 943 | 0 | 472 | 540 | 540 | 1034 | 729 | 162 | 11 | 162 | 0 | 0 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Best forecast wave conditions in Yorke Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
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Information about the Chinamans Surf forecast
The above surf forecast table for Chinamans provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Chinamans can be found by selecting the local surf guide option on the grey menu. Our Chinamans 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 (Chinamans) 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 Chinamans 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 Yorke Peninsula? If you are looking for accommodation near Chinamans, camping, hotels and holiday cottages in Yorke Peninsula, consider staying in Kingscote which is 80 km (50 miles) away.
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