Riozinho Surf Break

Lat Long: 27.68° S 48.48° W

Riozinho 48 hour detailed Surf Forecast

Issued: 8 am 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):

  • Morning surf: Morning surf (17 Aug, local time) - 4.5ft (1.4m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 4ft (1.2m), 8s period with E swell.
  • Evening surf: Evening surf (17 Aug, local time) - 6ft (1.9m), 8s period with NE swell.

The current surf forecast for Riozinho at 1PM is: 1.9m 8s primary swell from a East-northeast direction and 1.2m 8s secondary swell from a East-northeast direction, 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 08:00am August 17). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Aug)4.5ft (1.4m)8s
Afternoon (17 Aug)4ft (1.2m)8s
Evening (17 Aug)6ft (1.9m)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 17°C on Tue night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
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)
0
0
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)
2
ENE
8
1.4
NE
8
1.9
ENE
8
1.2
E
8
1.9
NE
8
1.9
NE
8
1.9
NE
8
1.8
NE
8
1.1
ENE
8
1.1
ENE
8
1.7
NE
8
1.1
ENE
8
1.1
ENE
8
1
E
8
1
E
8
0.9
ENE
8
0.8
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
502
266
469
200
534
534
467
448
171
167
390
171
180
147
147
118
86
84
82
61
58
57
Wind (km/h)
20
N
20
N
25
N
25
NNE
15
N
15
N
20
N
15
N
15
N
15
N
15
N
20
NNE
10
S
0
SW
5
S
10
S
5
S
5
S
15
SSE
15
S
10
S
5
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
High Tide
3:45AM0.78m
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
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
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>
6:43
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
18
18
21
21
19
18
18
18
18
20
26
27
24
21
20
18
17
18
19
19
19
19
Feels °C
17
17
20
20
19
18
17
18
18
20
26
27
26
23
22
19
18
20
19
19
20
21
  • 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 

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