Barra do Una Surf Break

Lat Long: 24.43° S 47.04° W

Barra do Una 48 hour detailed Surf Forecast

Issued: 8 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barra do Una sea temperature is
20.9°C
1.1° 

Barra do Una 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 do Una today (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.7m), 10s period with S swell.
  • Evening surf: Evening surf (18 Sep, local time) - 4.5ft (1.4m), 7s period with ESE swell.

The current surf forecast for Barra do Una at 3PM is: 0.7m 10s primary swell from a South direction and 0.8m 6s secondary swell from a East-southeast direction (forecast issued at 08:00am September 18). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Sep)2.5ft (0.8m)11s
Afternoon (18 Sep)2.5ft (0.7m)10s
Evening (18 Sep)4.5ft (1.4m)7s

Table - waves today at Barra do Una. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 10mm), heaviest on Sun morning. Warm (max 25°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light.

Friday
18
Saturday
19
Sunday
20
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)
2
1
0
1
0
0
0
1
1
1
1
1
1
0
1
2
2
3
3
2
2
3
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)
0.8
S
11
0.8
S
11
0.7
S
11
0.7
S
10
0.7
S
10
1.4
ESE
7
1.6
E
7
1.6
E
7
1.4
ESE
7
1.3
ESE
7
1.4
ESE
7
1.4
ESE
7
1.3
ESE
7
1.5
E
7
1.7
E
8
1.7
ESE
8
1.6
ESE
8
1.9
E
9
1.8
E
9
1.6
ESE
9
1.5
E
8
1.9
E
8
Wave Graph
Metric surfscale
Energy kJ
157
149
110
100
98
186
247
269
203
176
208
208
186
251
329
361
354
575
517
366
324
489
Wind (km/h)
5
NE
5
ENE
10
SE
15
E
20
E
30
ENE
25
ENE
25
ENE
20
ENE
20
ENE
15
E
20
E
20
ENE
25
ENE
20
ENE
5
NE
5
SW
20
NE
15
NNE
10
NE
5
NNE
5
NE
Wind State
off
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
off
off
off
off
glassy
High Tide
6:25AM0.91m
5:37PM0.87m
8:05AM0.81m
1:30PM0.87m
7:21PM0.77m
00:32AM0.65m
1:03PM0.96m
Low Tide
10:28AM0.68m
11:08PM0.49m
10:10AM0.78m
5:22PM0.75m
11:49PM0.64m
4:51AM0.49m
5:59PM0.62m
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
light rain
light rain
cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
part cloud
light rain
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:02
 mm
1
1
1
1
1
1
1
3
Temp °C
18
19
20
20
20
19
19
19
19
20
21
20
20
19
19
19
19
19
21
25
22
22
Feels °C
19
21
21
20
19
17
17
17
18
20
21
19
19
17
19
21
21
18
22
27
24
24
  • 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 Barra do Una 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