Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 2 pm 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):

  • Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.0m), 9s period with SSE swell.
  • Evening surf: Evening surf (21 Aug, local time) - 6ft (1.8m), 10s period with SSE swell.

The current surf forecast for Riozinho at 7PM is: 1.6m 9s primary swell from a South-southeast direction and 0.5m 8s secondary swell from a East direction (forecast issued at 02:00pm August 21). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Aug)--
Afternoon (21 Aug)3.5ft (1.0m)9s
Evening (21 Aug)6ft (1.8m)10s

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


Short Range Forecast

Mostly dry. Very mild (max 17°C on Fri afternoon, min 11°C on Sat night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
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
1
2
4
4
4
4
4
0
0
2
2
2
2
2
2
1
2
4
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
S
8
1
SSE
9
1.5
SSE
9
1.8
SSE
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
1.4
SSE
9
1.3
SSE
10
1.2
SSE
10
1.2
SSE
10
1.2
SSE
11
1.2
SSE
11
1.3
SSE
13
1.4
SSE
13
2.3
S
12
2.5
S
12
Wave Graph
Metric surfscale
Energy kJ
227
158
360
575
1297
1113
1070
978
876
336
336
299
263
274
340
372
543
638
1522
1918
Wind (km/h)
10
SE
25
SSE
25
S
25
SSW
15
SSW
15
SSW
15
SSW
15
S
15
SSE
20
SSE
15
SSE
10
S
5
SSW
5
WSW
5
WSW
5
SSW
10
SSE
15
SSE
20
SSE
15
SSW
Wind State
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
off
off
glassy
cross
cross
cross
cross-off
High Tide
12:28PM0.60m
12:35PM0.66m
11:25PM0.49m
12:50PM0.72m
Low Tide
4:14AM0.27m
6:21PM0.42m
5:19AM0.20m
6:35PM0.37m
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
19
17
16
14
14
13
13
13
13
13
12
12
12
11
11
12
13
14
14
13
Feels °C
17
12
12
10
11
10
10
10
9
8
8
10
10
9
9
11
10
10
9
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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