Prainha Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 8 pm 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
18.3°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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.8m), 9s period with ENE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 5.5ft (1.7m), 9s period with ENE swell.

The current surf forecast for Prainha at 2AM is: 2.1m 9s primary swell from a East-northeast direction and 0.2m 11s secondary swell from a South direction (forecast issued at 08:00pm September 20). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (21 Sep)6ft (1.9m)9s
Afternoon (21 Sep)6ft (1.8m)9s
Evening (21 Sep)5.5ft (1.7m)9s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon night. Warm (max 29°C on Mon morning, min 12°C on Tue night). Wind will be generally light.

Sun
20
Monday
21
Tuesday
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)
2
2
2
2
2
2
2
1
2
2
1
2
1
0
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
ENE
9
2.4
ENE
9
2.2
ENE
9
2.2
ENE
9
2
ENE
9
1.9
ENE
9
1.8
ENE
9
1.8
ENE
9
1.8
ENE
9
1.7
ENE
9
1.5
ENE
8
1.9
S
6
1.2
ENE
8
1
ENE
8
0.9
ENE
8
1.7
S
6
1.9
S
6
2.3
S
7
Wave Graph
Metric surfscale
Energy kJ
1065
913
812
766
643
575
486
475
464
429
329
273
181
140
116
217
288
502
Wind (km/h)
10
NNE
5
NNW
10
NNW
10
NNW
10
NNW
10
NNW
5
N
10
SE
15
S
10
SSW
15
SSW
10
S
10
SSE
20
S
15
S
15
SSE
20
S
25
S
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:57PM0.58m
12:20PM0.81m
11:34PM0.69m
12:38PM0.88m
Low Tide
5:56PM0.46m
5:12AM0.23m
6:12PM0.39m
5:54AM0.14m
6:35PM0.33m
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:08
6:09
 mm
1
5
5
2
1
1
1
1
Temp °C
20
19
20
20
20
24
29
23
21
19
19
17
16
14
13
13
13
13
Feels °C
21
21
22
22
21
25
31
25
22
20
19
17
16
10
11
10
9
8
  • 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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