Cardoso Surf Break

Lat Long: 28.61° S 48.82° W

Cardoso Surf Forecast and Surf Report

Issued: 8 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cardoso sea temperature is
15.9°C
2.9° 

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


Cardoso surf forecast from 18 Sep 2026:

  • Best quality surf: Wednesday 23 Sep, 9AM (local time) - 10ft (3.0m), 16s period, S swell with cross-offshore winds.
  • Most powerful swell: Wednesday 23 Sep, 9AM (local time) - 10ft (3.0m), 16s period, S swell with 4,746 kJ wave energy.
  • Next surfable swell (1★+): Monday 21 Sep, 12AM (local time) - 10ft (3.0m), 10s period with NE swell.

Best Forecast Surf Conditions for Cardoso this week:

The surf forecast for Cardoso over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 21) at 12AM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 2.5m and 10s. Another secondary swell of 0.3m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Cardoso in the next 16 days are 3.0m 16s and forecast to arrive on Wednesday (Sep 23) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 21st Sep)10ft (3.0m) 10s
Best Surf 9AM (Wed 23rd Sep)10ft (3.0m) 16s
Most Powerful 9AM (Wed 23rd Sep)10ft (3.0m) 16s

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


Short Range Forecast

Heavy rain (total 38mm), heaviest during Sat night. Warm (max 22°C on Sun morning, min 16°C on Fri morning). Winds decreasing (strong winds from the NNE on Sat night, light winds from the NNW by Sun night).

Days 4-6 Weather Summary

Heavy rain (total 34mm), heaviest during Mon morning. Warm (max 21°C on Mon morning, min 13°C on Tue night). Mainly fresh winds.

Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
2
0
5
3
1
0
0
0
2
6
3
2
3
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
S
10
1
S
9
0.8
S
9
1.9
NE
6
2.2
NE
7
3
NE
8
3
NE
9
3
NE
10
3
NE
10
2
ENE
10
1.9
ENE
10
1.7
ENE
9
1.4
ENE
9
1.5
S
6
2.3
S
10
3
S
16
2.5
S
16
2.3
S
14
2.1
S
13
2
S
12
1.6
S
12
Wave Graph
Metric surfscale
Energy kJ
220
171
103
287
440
1118
1601
1593
1745
763
625
465
295
178
1034
4746
3434
1922
1465
1238
734
Wind (km/h)
15
NNE
35
NE
30
NE
30
NE
30
NE
45
NE
35
NNE
35
NE
10
NNE
15
NNW
15
E
30
SW
25
SSW
25
SSW
15
SSW
5
WSW
10
E
25
NNE
15
NNE
30
NE
25
NNE
Wind State
cross-off
cross
cross-off
cross-off
cross
cross
cross-off
cross
cross-off
cross-off
cross-on
cross
cross-on
cross-on
cross
cross-off
cross-on
cross-off
cross-off
cross
cross-off
High Tide
11:49AM0.49m
3:42PM0.48m
11:26PM0.25m
11:58AM0.54m
11:09PM0.31m
12:13PM0.58m
11:14PM0.39m
12:32PM0.62m
11:31PM0.46m
12:52PM0.66m
11:52PM0.53m
1:14PM0.68m
00:14AM0.59m
1:33PM0.68m
00:38AM0.64m
Low Tide
2:07PM0.47m
9:35PM0.24m
9:34PM0.30m
3:24AM0.21m
8:21PM0.36m
4:40AM0.15m
6:08PM0.33m
5:32AM0.08m
6:26PM0.29m
6:13AM0.02m
6:52PM0.25m
6:51AM-0.02m
7:20PM0.22m
part cloud
part cloud
cloud
mod rain
mod rain
heavy rain
rain showers
rain showers
thunderstorm
heavy rain
mod rain
mod rain
light rain
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:07
6:05
6:05
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:08
6:09
6:09
6:10
6:10
6:12
 mm
7
8
15
1
1
6
16
7
9
2
Temp °C
19
19
18
17
18
19
22
22
21
21
20
19
15
14
14
14
15
15
19
19
18
Feels °C
16
14
14
14
14
15
19
18
22
22
21
20
10
9
10
12
13
11
16
15
14
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Cardoso Surf forecast

The above surf forecast table for Cardoso provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cardoso can be found by selecting the local surf guide option on the grey menu. Our Cardoso 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 (Cardoso) 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 Cardoso 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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