Chinamans Surf Break

Lat Long: 35.29° S 136.87° E

Chinamans Surf Forecast and Surf Report

Issued: 8 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Chinamans sea temperature is
15.3°C
1.0° 

Chinamans surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Chinamans surf forecast from 16 Sep 2026:

  • Best quality surf: Thursday 17 Sep, 9AM (local time) - 5ft (1.6m), 14s period, SW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 22 Sep, 3PM (local time) - 8ft (2.5m), 16s period, SW swell with 3,555 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 9AM (local time) - 5ft (1.6m), 14s 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 Thursday (Sep 17) at 9AM. The primary swell is predicted to be 1.6m and 14s period with a secondary swell of 0.3m and 4s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Chinamans in the next 16 days are 2.5m 16s and forecast to arrive on Tuesday (Sep 22) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Sunday (Sep 20) at 6AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Thu 17th Sep)5ft (1.6m) 14s
Best Surf 9AM (Thu 17th Sep)5ft (1.6m) 14s
Most Powerful 3PM (Tue 22nd Sep)8ft (2.5m) 16s

Table - best surf conditions forecast for Chinamans over the next 16 days.


The Lowdown

G’day, Rusty here, and I’ve been staring at the charts for Chinamans. It’s a reef setup that’s exposed to the southwest, and the first week is a proper mixed bag—some clean windows, some real slop, and a bit of a wait for the good stuff to line up.

Right now, Wednesday morning, we got a solid 8.2ft of SW groundswell with a 15-second period, but the east-southeast wind is wrecking it. That’s cross-on and choppy, and the energy is strong—the combined swell energy sits at 2697, so there’s plenty of push, but it’s messy. Water temp is 59.5°F, which is bang on average for this time of year—nothing weird there. The afternoon cleans up a touch but it’s still cross-on, not worth your time unless you’re desperate.

Thursday morning is where I’d point you first. The swell drops a bit to 5.2ft, but the wind swings east-northeast, going cross-off, and it’s clean. The period’s still solid at 14 seconds, and the energy has backed off to 1082—still moderate, but it’s got shape. Thursday arvo goes glassy, which is rare—light westerly, zero wind, 4.6ft, period 14 seconds. That’s a quiet, clean session with the reefs holding. Not huge, but damn smooth.

Friday is the pick of the first stretch, honestly. Morning has NNW offshore at 25 km/h, dropping to 15 km/h by the arvo. Swell is down to 4.3ft in the morning, 3.6ft in the afternoon, with a long 16-17 second period. That’s proper groundswell, and it’s going to be clean. The energy is only 940 and 612, so it’s not cranking, but the quality is there—this is the kind of day where you’re trading size for perfection, and at this break, that’s a good deal. The caveat: that long period (17s) at Chinamans can get a bit walled on the takeoff, but it’s not a beachie, so it should hold.

Saturday’s smaller—2.6ft in the morning, 2.3ft in the arvo—and the offshore holds, so it’s clean but tiny. Good for a grovel, not for a headline. Sunday morning is okay, cross-off from the west, 3.9ft, but the arvo turns to junk—25-30 km/h westerly, cross-shore chop. Skip that.

Monday the 21st is a write-off. South-southeast wind, onshore, 7.9ft of bumpy, windblown mess. Energy spikes to 3163 and 4129, but it’s all over the place. You’d be fighting it the whole time. Tuesday the 22nd isn’t much better—east cross-shore, fresh and lumpy, 7.9-8.2ft again. Not your friend.

Then things get interesting again late in the month. Wednesday the 23rd—cross-off from the northeast in the morning, clean, 5.2ft. The arvo goes offshore from the northwest, light, 4.6ft, and it’s clean. Good day, solid energy at 1155 and 833. Thursday the 24th is less exciting—light onshore, small 3.6ft, forget it.

But Friday the 25th is the other standout. Morning is cross-off from the northeast, 3.6ft, but the arvo is where the magic is: a big jump in period to 23 seconds—that’s very long period groundswell, the kind that shoals up proper—with only a light 5 km/h offshore from the northwest. Swell is 2.6ft, but the energy jumps to 1232, which is way more than you’d expect for that size. This is a “shape over size” day. That long period at a reef like Chinamans? It’ll be smooth, lined-up walls, and the glassy conditions make it a classic. This might honestly be the best wave:quality trade-off of the whole window.

The weekend of the 26th–27th brings more size—7.5ft on Saturday morning—but it’s cross-on, a bit lumpy. Sunday the 27th improves: 6.9-7.2ft, cross-off from the west, clean. That’s a proper winter-style groundswell day with energy around 2576-2087. Strong, but still manageable for experienced surfers. For beginners, this is too big—over 5ft, and it’s pushing into expert territory.

After that, it fades again. Monday the 28th has some rain and a fresh west-northwest cross-off, 6.2ft, but it’s short-period and a bit junky. Tuesday the 29th falls apart—strong west winds, 45 km/h in the arvo, messy. Wednesday

Short Range Forecast

Mostly dry. Warm (max 20°C on Fri night, min 9°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 23°C on Sat afternoon, min 10°C on Mon night). Mainly fresh winds.

Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
0
4
3
4
2
3
2
2
2
1
2
0
0
0
2
0
1
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SW
15
2.4
SW
15
2.1
SW
15
1.6
SW
14
1.4
SW
14
1.4
SW
17
1.3
SW
17
1.1
SW
16
0.9
SW
14
0.8
SW
13
0.7
SW
13
0.6
SSW
15
1.2
SW
16
1.5
SW
15
1.7
SW
14
2.4
SW
14
2.5
SW
16
2.5
SW
15
2.4
SW
15
2.5
SW
16
2.1
SW
15
Wave Graph
Metric surfscale
Energy kJ
2686
2620
1900
1079
776
1158
940
612
346
212
166
155
719
966
1171
2103
3439
2856
2725
3555
2130
Wind (km/h)
20
ESE
15
ESE
20
ESE
15
ENE
0
WNW
10
NNE
25
NNW
15
NNW
15
NNW
25
NNW
10
N
25
N
25
W
30
WSW
25
S
20
SSE
20
SSE
25
ESE
30
ENE
20
E
25
NE
Wind State
cross-on
cross-on
cross-on
cross-off
glassy
cross-off
off
off
off
off
off
cross-off
cross-off
cross
on
on
on
cross-on
cross
cross
cross-off
High Tide
3:40PM0.53m
4:25AM0.88m
3:39PM0.48m
4:48AM0.82m
3:20PM0.45m
5:13AM0.75m
2:19PM0.45m
5:43AM0.66m
12:15PM0.61m
12:38PM0.68m
2:44AM0.41m
Low Tide
10:31AM0.16m
9:29PM0.03m
10:57AM0.25m
9:36PM0.04m
11:22AM0.34m
9:38PM0.06m
11:49AM0.43m
9:34PM0.08m
9:19PM0.10m
8:52PM0.12m
8:26PM0.13m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:20
6:18
6:16
6:16
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:14
6:15
6:15
6:15
6:16
6:17
 mm
Temp °C
11
12
10
11
11
13
16
19
20
20
23
23
17
15
14
12
13
11
11
13
15
Feels °C
6
8
6
9
10
10
10
15
15
14
19
18
13
10
9
6
8
4
4
8
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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