Surf Break

Lat Long: 27.37° S 48.53° W

Prainha 48 hour detailed Surf Forecast

Issued: 8 pm 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Prainha sea temperature is
20.9°C
0.0° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 6ft (1.9m), 12s period with SSE swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 6.5ft (2.0m), 12s period with S swell.
  • Evening surf: Evening surf (18 Oct, local time) - 7ft (2.1m), 11s period with S swell.

The current surf forecast for Prainha at 3AM is: 2.0m 10s primary swell from a South direction and 1.1m 9s secondary swell from a East direction (forecast issued at 08:00pm October 17). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (18 Oct)6ft (1.9m)12s
Afternoon (18 Oct)6.5ft (2.0m)12s
Evening (18 Oct)7ft (2.1m)11s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Sun morning, min 12°C on Sun night). Wind will be generally light.

Sat
17
Sunday
18
Monday
19
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
3
3
4
3
4
4
3
3
4
4
!
4
3
1
1
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)
1.2
ESE
9
1.4
S
9
1.7
S
10
2
S
10
1.8
S
10
1.9
SSE
12
2.1
SSE
12
2
S
12
2
S
11
2.1
S
11
2.5
S
11
3
S
10
2.1
SSE
11
2
SSE
10
1.8
SSE
10
1.8
SSE
10
1.8
SSE
10
1.8
SSE
10
Wave Graph
Metric surfscale
Energy kJ
254
318
563
851
669
1082
1180
1079
969
1026
1492
1695
961
819
628
616
616
663
Wind (km/h)
15
SSE
5
SW
5
WNW
5
W
10
WSW
5
W
5
NNE
15
SE
15
SSE
10
S
10
WNW
5
SW
5
W
0
N
10
ENE
10
E
10
SSE
5
S
Wind State
cross-off
glassy
glassy
cross-off
off
cross-off
glassy
cross
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-on
cross-on
cross-off
cross-off
High Tide
4:37PM0.62m
11:40AM0.65m
6:21PM0.56m
11:25AM0.72m
Low Tide
11:12PM0.35m
4:06PM0.54m
3:23AM0.31m
4:47PM0.47m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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5:35
—
—
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—
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5:33
—
—
—
—
—
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
—
—
—
—
—
—
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6:22
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—
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6:22
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
18
16
16
14
13
17
20
19
17
16
14
12
12
16
17
18
17
15
Feels °C
16
16
16
13
12
16
18
16
14
14
13
10
10
15
14
15
15
14
  • 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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