Barra do Sai Surf Break

Lat Long: 19.77° S 40.03° W

Barra do Sai 48 hour detailed Surf Forecast

Issued: 8 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barra do Sai sea temperature is
23.8°C
0.6° 

Barra do Sai 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 Sai today (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 2.5ft (0.7m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4ft (1.2m), 10s period with SE swell.
  • Evening surf: Evening surf (17 Sep, local time) - 2.5ft (0.8m), 7s period with ESE swell.

The current surf forecast for Barra do Sai at 3PM is: 1.2m 10s primary swell from a Southeast direction and 0.4m 11s secondary swell from a South-southeast direction, 0.3m 15s secondary swell from a South-southeast direction (forecast issued at 08:00am September 17). The wind direction is predicted to be cross-shore.

Time (-03) & DateWave HeightWave Period
Morning (17 Sep)2.5ft (0.7m)10s
Afternoon (17 Sep)4ft (1.2m)10s
Evening (17 Sep)2.5ft (0.8m)7s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Thu morning. Warm (max 22°C on Thu morning, min 20°C on Fri night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
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
1
1
1
2
2
1
1
1
1
1
1
2
2
1
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)
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
1.2
SE
10
0.3
SSE
15
0.8
ESE
7
0.6
ESE
8
1.3
ESE
6
1.2
ESE
6
1.1
ESE
6
1.1
ESE
6
1.2
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.3
ESE
6
1.2
ESE
6
1.2
ESE
6
1.2
ESE
6
1.2
ESE
6
1.1
ESE
6
0.9
ESE
7
Wave Graph
Metric surfscale
Energy kJ
102
102
100
275
42
57
51
131
103
94
94
110
127
127
132
132
114
110
110
110
87
75
Wind (km/h)
15
SSE
15
SSE
15
SSE
15
SSE
15
SSE
15
SE
15
SE
10
SE
10
SE
10
SE
15
SE
15
ESE
15
ESE
15
ESE
10
SE
10
ESE
10
ESE
10
E
10
E
15
ESE
10
E
10
ESE
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:37AM1.05m
7:07PM0.99m
9:54AM1.01m
9:17PM0.94m
11:42AM1.08m
Low Tide
1:28PM0.78m
2:16AM0.62m
4:05PM0.83m
4:25AM0.60m
5:49PM0.76m
cloud
light rain
cloud
cloud
light rain
light rain
light rain
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
light rain
cloud
light rain
rain showers
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:33
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:35
5:35
 mm
1
1
1
1
1
1
1
1
Temp °C
21
21
22
22
21
21
21
21
21
21
21
21
21
21
21
20
20
21
22
22
22
22
Feels °C
21
21
22
22
21
21
21
21
21
21
21
20
20
21
21
20
20
21
22
21
22
22
  • 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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