Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 2 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Riozinho sea temperature is
19.4° C
0.8° 

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


How big are the waves at Riozinho today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.1m), 8s period with SSE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 10ft (3.0m), 10s period with S swell.

The current surf forecast for Riozinho at 6AM is: 0.6m 7s primary swell from a East direction and 0.2m 3s secondary swell from a South-southeast direction (forecast issued at 02:00am August 21). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Aug)2.5ft (0.7m)8s
Afternoon (21 Aug)3.5ft (1.1m)8s
Evening (21 Aug)10ft (3.0m)10s

Table - waves today at Riozinho. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri morning, min 11°C on Sat night). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
0
0
1
1
0
1
!
3
4
3
4
4
0
1
2
2
2
2
2
1
1
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
7
0.6
E
7
0.6
E
7
0.7
SSE
8
1.3
S
7
1.1
SSE
8
1.5
SSE
9
3
S
10
2.5
S
10
2.5
S
10
2.4
S
10
2.3
S
10
2.2
S
10
1.4
SSE
9
1.3
SSE
10
1.2
SSE
10
1.2
SSE
10
1.2
SSE
10
1.2
SSE
11
1.2
SSE
12
1.2
SSE
13
1.3
SSE
12
2.2
S
12
2.4
S
12
Wave Graph
Metric surfscale
Energy kJ
52
38
36
58
183
164
352
1424
1325
1229
1070
978
876
336
299
269
274
291
353
379
469
551
1392
1712
Wind (km/h)
10
NW
5
WSW
10
W
10
WSW
15
SE
20
SSE
25
S
20
S
15
SSW
15
S
15
S
15
S
15
S
20
SSE
15
SSE
5
S
5
SSW
5
SW
5
SSW
5
SSW
10
SSE
20
SSE
20
S
15
SSW
Wind State
cross-off
off
cross-off
off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
glassy
cross-off
cross-off
glassy
cross
cross
cross-off
cross-off
High Tide
11:51PM0.34m
12:28PM0.60m
12:35PM0.66m
11:25PM0.49m
12:50PM0.72m
Low Tide
2:27AM0.32m
4:14AM0.27m
6:21PM0.42m
5:19AM0.20m
6:35PM0.37m
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:54
5:55
 mm
Temp °C
21
19
17
18
19
17
15
14
14
13
13
12
13
13
12
12
12
12
11
12
13
14
13
13
Feels °C
22
19
15
17
16
13
10
10
11
10
10
9
10
9
8
10
10
10
9
11
11
10
8
9
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Riozinho 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.


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