Barra da Lagoa Surf Break

Lat Long: 27.57° S 48.43° W

Barra da Lagoa 48 hour detailed Surf Forecast

Issued: 8 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Barra da Lagoa sea temperature is
19.5° C
0.8° 

Barra da Lagoa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Barra da Lagoa today (20 Aug):

  • Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.1m), 12s period with SE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.1m), 12s period with SE swell.

The current surf forecast for Barra da Lagoa at 1PM is: 0.1m 12s primary swell from a Southeast direction (forecast issued at 08:00am August 20). An open ocean swell of 0.9m 7s is not directed at the surf break, a second open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (20 Aug)--
Afternoon (20 Aug)0.5ft (0.1m)12s
Evening (20 Aug)0.5ft (0.1m)12s

Table - waves today at Barra da Lagoa. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 21°C on Thu morning, min 12°C on Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
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
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
0
0
0
0
0
0
0
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)
1
E
8
1
E
8
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
SSE
5
0.2
SSE
6
0.3
SSE
4
0.8
S
8
1
S
8
0.9
S
7
1.6
S
9
2.5
S
9
2.5
S
10
2.4
S
10
2.3
S
10
2.1
S
10
1.9
S
10
1.9
S
9
1.8
S
10
1.7
S
10
Wave Graph
Metric surfscale
Energy kJ
0
0
6
6
5
5
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
5
NE
5
NNE
15
N
20
NNE
15
NNE
10
N
10
WNW
10
SW
20
W
15
W
15
SSE
15
SE
20
S
20
S
20
SSW
10
SSW
15
S
15
S
15
S
15
SSE
15
SSE
10
S
Wind State
glassy
cross-on
cross-on
cross-on
cross-on
cross
cross-off
off
cross-off
off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
High Tide
6:21AM0.56m
1:10PM0.55m
5:02PM0.56m
12:32PM0.61m
12:33PM0.68m
Low Tide
9:38AM0.50m
2:43PM0.54m
2:21AM0.34m
4:22AM0.29m
6:28PM0.44m
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
5:54
 mm
Temp °C
19
19
21
21
20
19
21
19
17
18
19
18
16
15
14
14
13
13
14
14
13
13
Feels °C
22
21
21
20
20
20
22
18
13
15
16
15
12
11
11
12
10
10
11
10
9
10
  • 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 

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