Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 8 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Riozinho sea temperature is
17.2°C
2.2° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 8ft (2.4m), 9s period with NNE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 10ft (3.0m), 10s period with NE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 5ft (1.6m), 10s period with ENE swell.

The current surf forecast for Riozinho at 4PM is: 3.0m 10s primary swell from a Northeast direction and 1.8m 10s secondary swell from a East-northeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00am September 20). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (20 Sep)8ft (2.4m)9s
Afternoon (20 Sep)10ft (3.0m)10s
Evening (20 Sep)5ft (1.6m)10s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon night. Warm (max 24°C on Mon morning, min 12°C on Tue night). Winds increasing (light winds from the SSW on Mon afternoon, fresh winds from the S by Tue morning).

Sunday
20
Monday
21
Tuesday
22
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)
0
0
!
0
1
1
0
3
3
2
2
4
2
2
1
0
0
0
0
0
1
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)
3
NE
8
2.4
NNE
9
3
NE
9
3
NE
10
2.5
NE
10
1.6
ENE
10
1.4
ENE
9
2.4
NE
9
2.2
NE
9
2.3
NE
9
2.2
NE
9
2.2
NE
9
1.3
E
9
1.3
E
9
1.1
E
9
1
E
9
0.9
E
9
0.8
E
8
0.7
E
8
1.1
SSE
7
1.3
SSE
7
1.5
SSE
8
Wave Graph
Metric surfscale
Energy kJ
1220
893
1341
1397
1319
426
348
904
783
826
783
743
281
281
203
157
125
92
69
99
163
270
Wind (km/h)
30
N
25
N
20
N
20
NNE
15
NNE
15
N
15
N
15
N
15
N
15
NNW
30
S
15
S
10
SSW
10
WSW
20
S
25
S
25
S
30
S
25
S
25
S
25
S
25
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
12:09PM0.68m
11:14PM0.50m
12:23PM0.73m
11:33PM0.59m
12:41PM0.78m
Low Tide
3:46AM0.27m
5:37PM0.42m
4:50AM0.19m
5:53PM0.36m
5:36AM0.11m
6:19PM0.31m
light rain
cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
light rain
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:08
 mm
4
1
3
1
2
2
1
2
1
Temp °C
19
19
21
22
20
19
19
19
19
24
23
20
20
20
18
16
16
14
13
13
13
13
Feels °C
16
18
21
21
20
20
20
19
19
24
20
20
21
21
17
13
12
9
8
8
8
8
  • 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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