Prainha Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 8 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
18.0°C
1.3° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 6ft (1.9m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 6ft (1.8m), 7s period with ENE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 7.5ft (2.3m), 7s period with ENE swell.

The current surf forecast for Prainha at 4AM is: 1.7m 7s primary swell from a East-northeast direction and 0.7m 9s secondary swell from a South-southeast direction, 0.5m 8s secondary swell from a East direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Sep)6ft (1.9m)7s
Afternoon (19 Sep)6ft (1.8m)7s
Evening (19 Sep)7.5ft (2.3m)7s

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


Short Range Forecast

Heavy rain (total 73mm), heaviest during Sat afternoon. Warm (max 27°C on Mon morning, min 18°C on Fri night). Winds decreasing (fresh winds from the NNE on Sat night, calm by Mon morning).

Fri
18
Saturday
19
Sunday
20
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
!
!
3
3
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
SSE
9
0.9
SSE
9
1.4
ENE
6
1.6
ENE
6
1.8
ENE
7
1.9
ENE
7
1.9
ENE
7
1.8
ENE
7
1.9
ENE
7
2.3
ENE
7
2.5
ENE
8
3
NE
8
3
NE
8
3
NE
9
3
ENE
9
3
ENE
9
2.5
ENE
9
2.5
ENE
9
Wave Graph
Metric surfscale
Energy kJ
126
121
135
209
299
359
376
325
345
515
750
1158
1266
1441
1463
1318
1247
1166
Wind (km/h)
10
NE
15
NE
15
NE
20
NE
20
NE
15
NE
15
NE
15
NE
20
NE
25
NE
25
NE
25
NNE
30
NNE
25
N
20
NNE
15
N
10
N
5
N
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
12:29PM0.66m
12:12PM0.73m
Low Tide
10:46PM0.36m
4:13AM0.32m
5:56PM0.46m
light rain
light rain
light rain
light rain
light rain
light rain
cloud
light rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
cloud
thunderstorm
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:08
 mm
1
1
1
2
1
1
5
15
12
14
12
5
1
1
2
Temp °C
19
18
18
18
18
18
19
18
18
18
18
19
19
19
19
20
20
19
Feels °C
19
17
18
16
17
17
19
18
17
16
16
17
16
17
19
21
22
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 

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