Barra do Sul Surf Break

Lat Long: 26.50° S 48.63° W

Barra do Sul 48 hour detailed Surf Forecast

Issued: 2 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barra do Sul sea temperature is
19.7°C
0.3° 

Barra do Sul 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 Sul today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.3m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 3.5ft (1.1m), 8s period with ENE swell.

The current surf forecast for Barra do Sul at 9AM is: 1.3m 9s primary swell from a East-northeast direction (forecast issued at 02:00am September 21). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (21 Sep)4.5ft (1.3m)9s
Afternoon (21 Sep)5.5ft (1.7m)8s
Evening (21 Sep)3.5ft (1.1m)8s

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


Short Range Forecast

Heavy rain (total 48mm), heaviest during Tue morning. Warm (max 31°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
1
2
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
E
9
1.4
ENE
9
1.3
ENE
9
1.3
ENE
9
1.2
ENE
9
1.7
ENE
8
1.2
ENE
8
1.1
ENE
8
1
E
8
0.9
ENE
8
1.1
SE
6
0.8
E
8
0.7
E
8
0.7
E
8
1.4
SSE
6
1.4
SSE
6
1.5
SSE
6
1.5
SSE
6
1.6
SE
6
1.4
SE
6
1.1
SE
6
0.4
SE
18
0.7
SE
16
0.7
SE
15
Wave Graph
Metric surfscale
Energy kJ
355
311
270
264
222
388
217
184
144
112
85
82
63
67
114
132
164
159
188
137
86
111
251
224
Wind (km/h)
10
NNW
10
N
5
NNW
10
N
15
NNE
15
N
15
SSE
10
SSE
15
S
10
SE
15
SE
25
SE
20
SE
20
SSE
20
SSE
20
SSE
20
SSE
15
SSE
20
SSE
15
SSE
10
SSE
10
SE
5
SE
5
SE
Wind State
cross-off
cross
cross-off
cross
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
glassy
High Tide
11:51AM0.99m
11:31PM0.92m
12:24PM1.10m
00:11AM1.05m
12:55PM1.19m
Low Tide
5:53AM0.28m
6:39PM0.43m
6:24AM0.17m
6:59PM0.36m
6:52AM0.08m
7:18PM0.31m
clear
clear
clear
clear
clear
clear
clear
part cloud
rain showers
mod rain
light rain
mod rain
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:09
6:09
 mm
2
7
1
6
14
2
1
2
1
3
3
6
Temp °C
23
21
20
24
30
31
23
20
20
19
17
17
13
14
14
14
13
12
12
12
14
15
15
15
Feels °C
24
22
21
25
30
31
24
21
21
20
17
15
9
11
11
10
10
9
8
10
12
12
13
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 

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