Barre da Una surfForecast / São Paulo / Brazil

information circle16 Day Weather and Surf, issued 8 am Wednesday 06 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Barre da Una surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barre da Una sea temperature is
25.2° C
(Which is 1.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Barre da Una this week:

The surf forecast for Barre da Una over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 06) at 3PM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.6m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Barre da Una in the next 16 days are 2.5m 16s and forecast to arrive on Tuesday (May 12) at 3AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Sunday (May 10) at 3PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 6th May)3.5ft (1.0m) 12s
Best Surf 3PM (Mon 11th May)8ft (2.4m) 16s
Most Powerful 3AM (Tue 12th May)8ft (2.5m) 16s

Table - best surf conditions forecast for Barre da Una over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 33°C on Fri morning, min 21°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 38mm), heaviest during Sun afternoon. Warm (max 30°C on Sat morning, min 17°C on Sun afternoon). Wind will be generally light.

Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
1
0
1
1
1
1
1
0
0
0
0
1
3
4
4
4
3
3
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.2
S
13
1
S
12
0.8
S
12
0.7
S
11
0.6
S
11
1.3
E
7
0.9
ESE
7
1
E
7
0.6
S
12
0.6
S
13
0.6
S
13
0.8
E
8
0.5
S
12
0.6
E
8
0.9
S
17
2.4
S
16
2.4
S
16
2.5
S
15
2.5
S
15
2.4
S
15
2
S
14
Wave Graph
Metric surfscale
Energy kJ
480
290
177
116
84
159
91
108
110
128
119
82
69
50
465
2819
2718
2911
3027
2491
1608
Wind (km/h)
0
NNE
5
S
5
N
5
NNW
5
ESE
10
N
15
N
10
N
15
N
5
NW
10
SSW
10
SW
15
WSW
20
SW
5
SSW
10
S
5
S
5
ESE
0
E
5
SSE
5
NNW
glassy
glassy
off
off
cross
off
off
off
off
glassy
cross-on
cross-on
cross-on
cross-on
on
on
glassy
glassy
glassy
cross-on
glassy
High Tide
5:12PM0.97m
4:51AM0.93m
6:03PM0.90m
5:43AM0.88m
7:15PM0.85m
6:53AM0.83m
10:18PM0.85m
8:31AM0.82m
11:30PM0.94m
10:26AM0.88m
00:05AM1.01m
11:36AM0.99m
00:36AM1.06m
Low Tide
10:54AM0.23m
11:42PM0.56m
12:01PM0.30m
1:17AM0.60m
1:39PM0.35m
2:50AM0.60m
3:07PM0.33m
4:05AM0.54m
4:18PM0.27m
5:05AM0.46m
5:18PM0.20m
5:54AM0.37m
6:11PM0.13m
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
thunderstorm
light rain
heavy rain
heavy rain
light rain
light rain
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
6:26
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:32
5:31
5:31
5:30
5:30
5:30
2
5
13
12
5
1
Temp °C
28
26
23
30
30
26
33
33
28
30
27
23
19
18
18
18
18
18
22
22
20
29
29
25
31
32
26
33
34
28
32
30
27
19
17
19
19
20
20
24
24
22
Swell 1
Height (m)
Direction
Period (s)
1.2
S
13
1
S
12
0.8
S
12
0.8
E
6
0.6
S
11
1
E
7
0.9
ESE
7
0.5
S
13
0.8
E
7
0.9
ESE
8
0.8
E
8
0.8
E
8
0.7
E
8
0.6
E
8
1.6
S
8
2.4
S
16
2.4
S
16
2.5
S
15
2.5
S
15
2.4
S
15
2
S
14
Energy kJ
480
290
177
44
84
92
91
87
70
99
78
82
69
50
347
2819
2718
2911
3027
2491
1608
Swell 2
Height (m)
Direction
Period (s)
0.6
E
6
0.6
E
6
0.2
E
8
0.7
S
11
0.5
S
10
0.4
S
10
0.2
S
10
0.6
S
12
0.6
S
13
0.6
S
13
0.6
SSW
5
0.5
S
12
0.2
S
21
0.9
S
17
0.5
E
8
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.1
SE
16
0.5
E
4
Energy kJ
22
24
5
116
52
33
7
110
128
119
19
69
34
465
37
25
26
26
10
9
Swell 3
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.3
SSE
14
0.1
S
20
0.5
S
12
0.5
E
8
0.4
ESE
9
Energy kJ
6
6
36
7
75
37
27
Wind waves
Height (m)
Direction
Period (s)
0.8
E
6
0.6
E
6
1.2
E
6
0.9
ESE
7
1.3
E
7
1
E
7
0.4
NNE
3
0.4
NNW
3
0.6
SW
3
2
SSW
7
2.4
SSW
8
0.5
E
9
0.7
E
4
Energy kJ
40
21
113
75
159
108
3
4
7
394
782
39
20
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
2
3
2
4
4
4
4
3
Distance (km)
0
0
0
0
18
0
0
0
0
0
28
88
96
321
63
72
0
0
0
12
0
Best forecast wave conditions in São Paulo
Rating
(10 max)
3
2
2
2
1
2
2
2
2
2
1
1
1
3
4
5
5
5
5
4
Best forecast wave conditions in Brazil
Rating
(10 max)
3
2
2
2
2
3
2
3
3
2
3
3
4
3
4
5
5
5
5
5
4
Header Global
Rating
(10 max)
7
6
5
5
5
5
5
6
5
5
4
4
5
9
5
9
9
5
9
9
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Barre da Una Surf forecast

The above surf forecast table for Barre da Una provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barre da Una can be found by selecting the local surf guide option on the grey menu. Our Barre da Una surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Barre da Una) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Barre da Una may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in São Paulo? If you are looking for accommodation near Barre da Una, camping, hotels and holiday cottages in São Paulo, consider staying in Biritiba Mirim which is 26 km (16 miles) away. Other places in and around São Paulo where you can find information about places to rent, and car hire include Bertioga which is 27 km (17 miles) away, Mogi das Cruzes, Guararema and Moji das Cruzes.

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