Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 2 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Riozinho sea temperature is
18.3° C
0.3° 

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 (17 Aug):

  • Afternoon surf: Afternoon surf (17 Aug, local time) - 4.5ft (1.4m), 8s period with ENE swell.
  • Evening surf: Evening surf (17 Aug, local time) - 7ft (2.1m), 8s period with NE swell.

The current surf forecast for Riozinho at 7PM is: 1.9m 8s primary swell from a Northeast direction and 1.3m 8s secondary swell from a East-northeast direction, 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 02:00pm August 17). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Aug)--
Afternoon (17 Aug)4.5ft (1.4m)8s
Evening (17 Aug)7ft (2.1m)8s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Tue afternoon, min 18°C on Mon night). Wind will be generally light.

Mon
17
Tuesday
18
Wednesday
19
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)
0
0
0
0
0
1
0
0
0
0
1
1
1
1
1
1
0
0
1
1
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)
1.9
NE
8
1.4
ENE
8
1.9
NE
8
2.1
NE
8
2
NE
8
1.8
NE
8
1.1
ENE
8
1.1
ENE
8
1.8
NE
8
1.8
NE
8
1.1
ENE
8
1
E
9
1
E
9
0.9
ENE
8
0.9
E
8
0.8
E
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
8
Wave Graph
Metric surfscale
Energy kJ
497
262
534
602
545
428
171
171
448
459
180
151
151
118
108
86
84
63
60
58
Wind (km/h)
25
NNE
25
NNE
15
N
15
N
15
N
15
N
15
N
15
N
15
N
20
NNE
10
S
5
WSW
5
S
10
S
5
S
10
S
15
SSE
20
S
15
S
5
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-off
glassy
glassy
cross-off
cross-off
cross-off
cross
cross-off
cross-off
glassy
High Tide
4:02PM0.65m
4:23AM0.71m
4:23PM0.62m
5:07AM0.63m
4:43PM0.59m
Low Tide
10:18AM0.28m
9:18PM0.27m
9:49AM0.36m
9:43PM0.26m
9:34AM0.42m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
5:53
 mm
Temp °C
21
21
19
18
18
18
18
20
26
27
21
21
20
18
18
18
19
19
18
18
Feels °C
19
20
19
18
18
18
18
20
26
27
22
23
22
19
19
19
19
18
18
20
  • 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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