Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 2 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Riozinho sea temperature is
19.3°C
0.4° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 3.5ft (1.1m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
  • Evening surf: Evening surf (31 Aug, local time) - 4ft (1.2m), 8s period with ESE swell.

The current surf forecast for Riozinho at 11AM is: 1.0m 7s primary swell from a Southeast direction and 0.6m 9s secondary swell from a East-northeast direction (forecast issued at 02:00am August 31). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (31 Aug)3.5ft (1.1m)7s
Afternoon (31 Aug)3.5ft (1.1m)7s
Evening (31 Aug)4ft (1.2m)8s

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


Short Range Forecast

Heavy rain (total 44mm), heaviest during Mon afternoon. Warm (max 21°C on Tue morning, min 13°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Tue afternoon).

Monday
31
Tuesday
1
Wednesday
2
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
1
1
1
1
2
1
1
0
0
2
1
0
0
1
2
3
2
2
0
1
1
1
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)
1
E
8
0.9
E
8
1
ESE
7
1.1
SE
7
1
SE
7
1.1
ESE
7
1.8
E
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.3
ESE
8
1.3
ESE
8
1.4
SE
8
1.4
SE
8
1.5
SE
8
2
SSE
8
1.9
SE
8
1.4
SE
8
1.4
SE
8
1.4
SE
9
1.4
SE
9
1.4
SE
10
1.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
140
112
105
100
88
117
418
168
168
168
159
196
220
232
266
297
541
509
279
286
281
300
334
356
Wind (km/h)
10
S
15
SSE
10
SSE
5
SSW
0
NW
5
W
10
N
10
N
5
WNW
10
NNE
10
NNW
5
NNW
5
ESE
25
S
30
SSW
20
SSW
20
SSW
15
SW
10
SW
10
SW
15
SSE
15
SE
5
E
5
N
Wind State
cross-off
cross
cross
cross-off
glassy
cross-off
cross
cross-on
cross-off
cross-on
cross
glassy
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross
on
cross
High Tide
3:09AM0.86m
3:38PM0.71m
3:47AM0.81m
4:04PM0.64m
4:31AM0.73m
4:31PM0.57m
Low Tide
10:17AM0.14m
10:01PM0.27m
11:07AM0.26m
9:37PM0.29m
12:29PM0.38m
light rain
light rain
light rain
light rain
mod rain
heavy rain
heavy rain
light rain
light rain
light rain
cloud
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
6:00
6:00
 mm
5
4
2
2
8
14
11
1
3
2
3
Temp °C
18
17
17
18
18
18
18
18
18
18
18
18
21
20
17
17
16
16
15
16
18
18
17
16
Feels °C
18
16
17
20
20
20
19
19
19
18
19
19
22
17
12
14
13
14
13
14
15
15
16
15
  • 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.


Nearest locationNearest