Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 8 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Riozinho sea temperature is
17.5°C
1.7° 

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 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 2.5ft (0.8m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 3ft (0.9m), 11s period with SSE swell.
  • Evening surf: Evening surf (17 Sep, local time) - 3ft (0.9m), 11s period with SSE swell.

The current surf forecast for Riozinho at 3PM is: 0.9m 11s primary swell from a South-southeast direction and 0.3m 7s secondary swell from a East direction (forecast issued at 08:00am September 17). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Sep)2.5ft (0.8m)9s
Afternoon (17 Sep)3ft (0.9m)11s
Evening (17 Sep)3ft (0.9m)11s

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


Short Range Forecast

Heavy rain (total 70mm), heaviest during Sat night. Very mild (max 19°C on Fri morning, min 15°C on Thu morning). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
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
1
0
0
0
1
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
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)
0.9
SSE
9
0.8
SSE
9
0.8
SSE
8
0.9
SSE
11
0.9
SSE
11
0.9
SSE
11
0.8
SSE
10
0.9
SE
10
0.8
SSE
10
0.8
SE
10
0.7
SSE
10
0.7
SSE
9
0.7
SSE
9
0.6
SSE
9
1.2
NE
6
1.5
NE
6
1.6
NE
7
1.1
ENE
7
0.9
E
7
1.2
ENE
7
1.3
ENE
7
1.6
ENE
7
Wave Graph
Metric surfscale
Energy kJ
143
86
82
170
186
183
135
145
125
113
80
76
75
57
98
170
214
118
72
143
166
245
Wind (km/h)
5
WNW
5
NNW
10
NE
15
NE
15
NNE
10
NNW
10
NW
10
NW
10
NNW
5
NNW
10
NNE
15
NNE
5
N
5
NNE
10
NNE
10
NNE
15
NE
20
NE
20
NE
20
NE
20
NE
25
NE
Wind State
cross-off
glassy
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross
glassy
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
High Tide
4:44AM0.62m
3:54PM0.60m
5:40AM0.54m
12:15PM0.56m
4:00PM0.55m
11:50PM0.33m
12:03PM0.62m
Low Tide
8:50AM0.45m
9:37PM0.25m
8:30AM0.49m
2:46PM0.55m
9:54PM0.32m
1:57AM0.32m
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
light rain
mod rain
heavy rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:07
 mm
1
2
4
3
7
5
6
11
14
Temp °C
14
15
18
18
17
17
16
16
17
17
19
19
18
17
17
18
18
18
18
18
18
19
Feels °C
13
14
16
15
15
16
15
15
16
16
18
18
18
18
18
19
17
16
17
17
17
17
  • 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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