Prainha Surf Break

Lat Long: 29.47° S 49.82° W

Prainha 48 hour detailed Surf Forecast

Issued: 2 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
16.2°C
1.6° 

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 (19 Sep):

  • Afternoon surf: Afternoon surf (19 Sep, local time) - 0.5ft (0.2m), 12s period with SSE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 1ft (0.3m), 11s period with SSE swell.

The current surf forecast for Prainha at 7PM is: 0.2m 12s primary swell from a South-southeast direction and 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm September 19). An open ocean swell of 1.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Sep)--
Afternoon (19 Sep)0.5ft (0.2m)12s
Evening (19 Sep)1ft (0.3m)11s

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


Short Range Forecast

Heavy rain (total 120mm), heaviest during Mon morning. Warm (max 21°C on Sun morning, min 13°C on Mon night). Winds decreasing (fresh winds from the NE on Sat night, light winds from the WSW by Mon morning).

Sat
19
Sunday
20
Monday
21
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
0
0
0
0
0
0
0
0
2
0
0
0
2
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)
0.4
SSE
8
0.2
SSE
12
0.2
SSE
12
0.3
SSE
11
0.3
SSE
11
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
12
0.2
S
11
0.2
S
10
0.2
S
10
0.2
S
10
0.2
S
10
0.2
S
9
1.4
E
10
0.2
S
9
0.3
SSW
9
1.3
E
9
1.2
E
9
Wave Graph
Metric surfscale
Energy kJ
24
15
14
25
25
11
11
11
11
9
8
8
8
7
7
377
6
15
300
256
Wind (km/h)
25
NE
30
NE
30
NE
30
NE
40
NE
30
NNE
15
NNE
5
N
10
ESE
10
E
10
NE
10
N
15
N
20
NNE
20
S
5
WSW
10
N
10
N
20
S
10
SW
Wind State
cross
cross
cross-on
cross
cross-on
cross
cross
cross-off
on
cross-on
cross
cross-off
cross-off
cross
cross-on
cross-off
cross-off
cross-off
cross
cross-off
High Tide
11:33AM0.47m
3:59PM0.39m
11:28PM0.24m
12:01PM0.50m
11:41PM0.28m
12:29PM0.53m
Low Tide
3:00PM0.38m
8:45PM0.17m
2:31AM0.16m
8:56PM0.23m
3:52AM0.12m
8:35PM0.27m
light rain
light rain
light rain
mod rain
heavy rain
mod rain
part cloud
part cloud
thunderstorm
part cloud
rain showers
clear
clear
clear
light rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:14
6:14
 mm
3
1
5
9
13
6
1
1
3
25
19
22
11
4
Temp °C
17
17
17
17
17
18
18
20
21
21
20
20
20
21
18
20
19
19
17
16
Feels °C
14
14
13
13
12
15
18
21
22
22
22
21
21
20
16
22
20
20
16
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 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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