Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 8 pm 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
19.4°C
0.4° 

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 (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 4.5ft (1.3m), 7s period with E swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 4.5ft (1.4m), 7s period with ENE swell.
  • Evening surf: Evening surf (29 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.

The current surf forecast for Prainha at 4AM is: 1.1m 7s primary swell from a East direction and 0.4m 10s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 28). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (29 Sep)4.5ft (1.3m)7s
Afternoon (29 Sep)4.5ft (1.4m)7s
Evening (29 Sep)5ft (1.6m)7s

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


Short Range Forecast

Heavy rain (total 67mm), heaviest during Wed night. Warm (max 21°C on Tue morning, min 15°C on Wed night). Wind will be generally light.

Mon
28
Tuesday
29
Wednesday
30
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
1
0
0
0
1
0
0
1
0
1
2
2
2
2
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)
0.8
E
6
0.9
E
6
1
E
6
1
E
7
1.1
E
7
1.3
E
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.6
ENE
7
1.6
ENE
8
1.6
E
8
1.6
E
8
1.5
E
8
1.5
E
8
1.6
E
8
1.3
E
8
1.3
E
8
Wave Graph
Metric surfscale
Energy kJ
43
60
84
86
111
159
191
186
191
284
308
308
316
287
302
338
234
234
Wind (km/h)
10
N
5
WNW
10
NNW
10
NNW
10
N
10
NNW
15
N
15
NE
10
ESE
20
NNW
15
NNW
5
W
5
SSW
5
S
10
SSE
15
SSE
15
SSE
10
S
Wind State
cross-on
glassy
cross
cross-on
cross-on
cross
cross-on
on
cross
cross-on
cross
glassy
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
High Tide
3:01PM0.85m
3:20AM0.98m
3:27PM0.78m
4:02AM0.91m
3:53PM0.70m
Low Tide
8:54PM0.19m
9:51AM0.27m
8:59PM0.20m
10:13AM0.41m
light rain
light rain
rain showers
part cloud
cloud
light rain
rain showers
part cloud
heavy rain
heavy rain
cloud
part cloud
clear
rain showers
light rain
light rain
light rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:56
—
—
—
—
—
—
—
5:54
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
—
6:13
—
 mm
1
5
1
—
—
1
1
—
11
16
—
—
—
1
2
1
1
20
Temp °C
20
19
19
19
19
19
21
21
20
20
20
20
20
21
20
18
16
15
Feels °C
21
21
20
20
20
20
21
22
22
20
21
23
22
24
21
17
14
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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