Prainha Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 2 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
18.3° C
0.3° 

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 (18 Aug):

  • Afternoon surf: Afternoon surf (18 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 5ft (1.5m), 9s period with ENE swell.

The current surf forecast for Prainha at 8PM is: 1.5m 9s primary swell from a East-northeast direction and 0.1m 10s secondary swell from a South direction, 0.4m 3s secondary swell from a North-northwest direction (forecast issued at 02:00pm August 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (18 Aug)--
Afternoon (18 Aug)5ft (1.6m)8s
Evening (18 Aug)5ft (1.5m)9s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 18°C on Wed night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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
1
2
2
2
2
1
0
1
1
1
1
1
1
1
0
0
0
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)
1.6
ENE
8
1.6
ENE
8
1.7
ENE
9
1.5
ENE
9
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.2
ENE
8
1.1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
1
E
8
1
E
8
0.9
ENE
8
0.9
ENE
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
344
361
397
336
284
237
217
172
138
113
102
102
102
118
114
99
78
76
71
69
Wind (km/h)
10
N
10
N
10
NNW
5
WNW
5
N
10
SSE
5
S
5
S
15
SE
15
SSE
15
S
10
SSE
5
S
5
SSW
5
SE
5
N
10
NNE
15
NNE
10
N
15
N
Wind State
cross-on
cross-on
cross-on
glassy
glassy
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
High Tide
4:51PM0.70m
5:35AM0.71m
5:10PM0.65m
6:41AM0.62m
2:35PM0.59m
5:13PM0.59m
Low Tide
10:05AM0.37m
10:09PM0.28m
10:17AM0.45m
10:46PM0.32m
10:20AM0.53m
3:15PM0.59m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:53
5:54
 mm
Temp °C
26
28
27
26
24
20
19
20
22
22
20
19
18
18
18
19
20
21
19
19
Feels °C
27
29
29
28
27
21
21
22
22
22
21
20
20
20
20
22
21
21
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 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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