Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 8 pm 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 (18 Sep):

  • Evening surf: Evening surf (18 Sep, local time) - 3ft (0.9m), 11s period with SSE swell.

The current surf forecast for Riozinho at 12AM is: 0.8m 10s primary swell from a South-southeast direction and 0.2m 7s secondary swell from a East direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Sep)--
Afternoon (18 Sep)--
Evening (18 Sep)3ft (0.9m)11s

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


Short Range Forecast

Heavy rain (total 62mm), heaviest during Sat night. Warm (max 21°C on Sun afternoon, min 16°C on Thu night). Winds increasing (light winds from the NNW on Fri morning, fresh winds from the NE by Sat night).

Thu
17
Friday
18
Saturday
19
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
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
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
11
0.9
SSE
11
0.8
SSE
10
0.8
SSE
10
0.8
SSE
10
0.7
SSE
10
0.7
SSE
10
0.7
SSE
9
0.7
SSE
9
0.6
SSE
9
1.2
NE
6
1.4
NE
6
1.7
ENE
7
1.7
ENE
7
0.8
ESE
7
1.2
ENE
7
1.3
ENE
7
1.3
NE
7
Wave Graph
Metric surfscale
Energy kJ
186
183
135
127
125
83
80
76
75
57
98
167
251
266
69
143
166
176
Wind (km/h)
15
NNE
10
NNW
10
NW
10
NW
10
NW
5
NNW
10
NNE
15
NE
10
NNE
15
NE
15
NE
15
NNE
15
NE
15
NE
20
NE
20
NE
20
NE
30
NE
Wind State
cross-on
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
High Tide
3:54PM0.60m
5:40AM0.54m
12:15PM0.56m
4:00PM0.55m
11:50PM0.33m
12:03PM0.62m
Low Tide
9:37PM0.25m
8:30AM0.49m
2:46PM0.55m
9:54PM0.32m
1:57AM0.32m
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
2
1
1
3
5
10
11
Temp °C
18
17
17
16
17
17
20
20
19
18
18
18
19
19
18
18
18
18
Feels °C
16
16
16
15
16
17
19
19
19
17
17
18
18
18
17
17
17
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