Prainha Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 8 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
19.8° C
1.2° 

Prainha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Prainha today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.0m), 8s period with S swell.
  • Evening surf: Evening surf (21 Aug, local time) - 7.5ft (2.3m), 10s period with S swell.

The current surf forecast for Prainha at 1AM is: 0.9m 7s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a South direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 08:00pm August 20). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Aug)2.5ft (0.7m)7s
Afternoon (21 Aug)3.5ft (1.0m)8s
Evening (21 Aug)7.5ft (2.3m)10s

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


Short Range Forecast

Mostly dry. Warm (max 21°C on Thu night, min 12°C on Sat night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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
0
0
1
0
2
4
4
4
3
3
2
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ENE
7
0.8
ENE
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
0.7
ENE
7
0.9
S
8
1
S
8
1.7
S
9
2.3
S
10
2.4
S
10
2.5
S
10
2
S
10
1.9
S
10
1.8
S
10
1.7
S
10
1.6
S
10
1.5
S
10
Wave Graph
Metric surfscale
Energy kJ
94
71
93
59
57
49
94
114
465
993
1124
1375
755
683
614
527
469
423
Wind (km/h)
10
N
10
NNW
10
WNW
15
W
20
W
20
W
5
WSW
15
ESE
15
SSE
15
S
10
S
5
SSW
5
SSE
5
SSE
10
SE
15
SE
10
SE
5
SSE
Wind State
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross
cross
cross-off
cross-off
High Tide
5:13PM0.59m
12:51PM0.64m
12:32PM0.72m
Low Tide
3:15PM0.59m
11:46PM0.38m
4:39AM0.33m
6:36PM0.46m
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:55
 mm
Temp °C
19
19
21
19
18
18
21
18
15
14
14
13
13
13
14
14
13
12
Feels °C
20
20
21
16
14
14
20
15
12
11
13
12
12
12
12
11
11
10
  • 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 Prainha 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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