Prainha Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 2 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
18.2°C
1.1° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 2.5ft (0.8m), 9s period with S swell.
  • Evening surf: Evening surf (17 Sep, local time) - 3.5ft (1.1m), 11s period with SSE swell.

The current surf forecast for Prainha at 11AM is: 1.0m 9s primary swell from a South direction and 0.5m 11s secondary swell from a South-southeast direction (forecast issued at 02:00am September 17). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Sep)3.5ft (1.1m)9s
Afternoon (17 Sep)2.5ft (0.8m)9s
Evening (17 Sep)3.5ft (1.1m)11s

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


Short Range Forecast

Heavy rain (total 60mm), heaviest during Sat afternoon. Very mild (max 19°C on Sat afternoon, min 15°C on Thu night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
2
2
2
1
0
1
1
2
2
2
2
2
2
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSE
11
1.3
SSE
10
1.2
S
10
1.1
S
9
0.9
S
9
0.8
S
9
1
S
11
1.1
SSE
11
1.1
SSE
11
1
SSE
10
1.1
SSE
10
1
SSE
10
0.9
SSE
10
0.9
SSE
10
0.9
SSE
9
0.9
SSE
9
1.3
ENE
6
1.8
ENE
7
2
ENE
7
1.9
ENE
7
1.9
ENE
7
1.8
NE
7
2.1
ENE
7
2.4
NE
8
Wave Graph
Metric surfscale
Energy kJ
392
349
267
199
119
95
242
303
286
222
245
209
169
163
126
121
119
306
384
369
397
331
465
657
Wind (km/h)
5
SW
5
WSW
5
WSW
5
WSW
10
NE
10
NE
10
NNE
5
N
5
WNW
5
W
5
WSW
5
WSW
5
NNE
5
NNE
0
S
5
NE
10
NE
15
NE
20
NE
15
NE
20
NE
20
NE
20
NE
25
NNE
Wind State
off
off
cross-off
glassy
on
on
on
cross-on
glassy
cross-off
glassy
glassy
glassy
glassy
glassy
on
on
on
on
on
on
on
on
on
High Tide
5:10AM0.71m
4:13PM0.66m
6:12AM0.62m
1:30PM0.62m
12:29PM0.66m
Low Tide
9:34AM0.47m
10:08PM0.27m
9:31AM0.54m
10:46PM0.36m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
heavy rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
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
3
2
4
4
4
13
12
Temp °C
14
14
14
16
18
18
17
17
16
15
16
17
18
17
17
17
18
18
18
18
18
18
19
19
Feels °C
13
13
13
16
16
16
16
17
16
15
16
17
18
17
19
18
18
17
17
17
17
17
18
17
  • 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.


Nearest locationNearest