Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 8 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Riozinho sea temperature is
17.4°C
1.9° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 5.5ft (1.7m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 3.5ft (1.0m), 7s period with E swell.
  • Evening surf: Evening surf (19 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.

The current surf forecast for Riozinho at 1AM is: 0.6m 9s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a East-southeast direction, 0.9m 5s secondary swell from a East-northeast direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Sep)5.5ft (1.7m)7s
Afternoon (19 Sep)3.5ft (1.0m)7s
Evening (19 Sep)5ft (1.6m)7s

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


Short Range Forecast

Heavy rain (total 71mm), heaviest during Sat afternoon. Warm (max 24°C on Mon morning, min 18°C on Fri night). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon afternoon).

Fri
18
Saturday
19
Sunday
20
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
0
0
0
0
0
0
0
0
0
0
!
!
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSE
9
0.6
SSE
9
0.6
SSE
9
1.4
NE
6
1.7
ENE
7
1.7
ENE
7
1.8
NE
7
1
E
7
1.2
ENE
7
1.6
ENE
7
1.4
NE
7
1.8
ENE
8
1.9
ENE
8
1.9
ENE
9
3.5
NE
9
3
NE
10
3
NE
10
1.7
ENE
10
Wave Graph
Metric surfscale
Energy kJ
75
56
56
157
262
294
312
92
143
244
211
418
510
559
1769
1593
1714
551
Wind (km/h)
10
NNE
20
NE
20
NE
20
NNE
20
NNE
15
NE
15
NE
15
NE
20
NE
25
NE
30
NE
30
NNE
30
N
30
N
25
N
20
N
15
N
15
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
High Tide
4:00PM0.55m
11:50PM0.33m
12:03PM0.62m
11:09PM0.41m
12:09PM0.68m
Low Tide
9:54PM0.32m
1:57AM0.32m
9:43PM0.40m
3:46AM0.27m
5:37PM0.42m
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
mod rain
light rain
light rain
cloud
clear
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:07
 mm
1
1
2
1
2
1
3
15
13
14
9
5
1
1
Temp °C
19
18
18
18
18
18
19
18
18
18
18
19
19
19
19
21
20
19
Feels °C
20
17
17
17
16
17
18
17
17
16
15
16
16
17
17
20
20
19
  • 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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