Barra do Sul Surf Break

Lat Long: 26.50° S 48.63° W

Barra do Sul 48 hour detailed Surf Forecast

Issued: 8 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barra do Sul sea temperature is
19.7°C
0.4° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 5s period with ENE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 4ft (1.2m), 6s period with ENE swell.

The current surf forecast for Barra do Sul at 1PM is: 0.4m 10s primary swell from a Southeast direction and 0.5m 5s secondary swell from a East direction (forecast issued at 08:00am September 18). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (18 Sep)1.5ft (0.4m)10s
Afternoon (18 Sep)2.5ft (0.8m)5s
Evening (18 Sep)4ft (1.2m)6s

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


Short Range Forecast

Heavy rain (total 54mm), heaviest during Sat night. Warm (max 22°C on Sun morning, min 16°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)
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
2
0
4
4
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)
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.9
ENE
5
1.2
ENE
6
1.4
ENE
6
1.6
ENE
7
1.6
ENE
7
1.5
ENE
7
1.4
ENE
7
1.4
ENE
7
1.6
ENE
7
1.9
ENE
7
2.2
ENE
7
2.2
ENE
8
2.1
ENE
8
3
ENE
9
2.5
ENE
9
2.1
ENE
9
2.5
ENE
9
2.5
ENE
9
Wave Graph
Metric surfscale
Energy kJ
54
26
25
36
45
94
135
206
225
215
203
197
232
348
498
650
592
1115
1185
690
1122
1079
Wind (km/h)
5
SW
10
SSW
5
SSE
10
E
15
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
NE
25
NE
25
NE
25
NNE
20
NNE
15
NNE
10
NE
15
NE
5
NE
5
NNE
Wind State
cross-off
cross-off
glassy
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
glassy
glassy
High Tide
7:19AM0.78m
2:18PM0.77m
6:32PM0.68m
3:00AM0.52m
9:19AM0.78m
1:47PM0.77m
8:59PM0.67m
11:07AM0.88m
Low Tide
10:49AM0.63m
5:54PM0.68m
11:33PM0.43m
4:13AM0.52m
11:37AM0.75m
6:00PM0.59m
5:15AM0.40m
6:19PM0.51m
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
light rain
mod rain
mod rain
heavy rain
mod rain
light rain
light rain
part cloud
part cloud
part cloud
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:08
6:08
 mm
1
2
2
2
10
7
16
6
5
1
1
Temp °C
16
16
19
19
18
18
18
18
18
19
18
18
18
18
19
19
19
20
22
22
20
20
Feels °C
16
16
20
20
18
17
16
17
17
18
16
17
16
15
17
17
18
20
23
22
23
23
  • 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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