Barre do Sai surfForecast / Santa Catarina – Norte / Brazil

information circle16 Day Weather and Surf, issued 8 pm Thursday 07 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Barre do Sai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barre do Sai sea temperature is
24.2° C
(Which is 1.6°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Barre do Sai this week:

The surf forecast for Barre do Sai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 08) at 6AM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 0.8m and 7s. Another secondary swell of 0.1m and 13s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Barre do Sai in the next 16 days are 0.8m 15s and forecast to arrive on Tuesday (May 12) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Friday (May 08) at 6PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 8th May)4.5ft (1.4m) 7s
Best Surf 6AM (Fri 8th May)4.5ft (1.4m) 7s
Most Powerful12AM (Tue 12th May)2.5ft (0.8m) 15s

Table - best surf conditions forecast for Barre do Sai over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 60mm), heaviest during Sat night. Warm (max 28°C on Fri morning, min 12°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 20°C on Wed afternoon, min 12°C on Sun night). Wind will be generally light.

Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thu
14
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
1
0
0
2
1
0
0
1
2
2
1
2
2
0
1
1
0
0
0
0
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)
1.4
ENE
6
0.8
E
7
0.8
ENE
7
0.4
SSE
14
1.4
SSE
7
1.4
SSE
6
0.8
SE
7
0.5
E
8
0.2
ESE
18
0.6
SE
16
0.7
SE
16
0.7
SE
16
0.8
SE
15
0.8
SE
14
0.7
SE
14
0.6
SE
13
0.5
SE
13
0.4
SE
12
0.4
SE
12
0.3
SE
11
0.2
SSE
11
Wave Graph
Metric surfscale
Energy kJ
155
61
69
67
175
153
62
35
32
167
239
239
262
251
189
113
84
54
37
19
12
Wind (km/h)
10
N
10
NNW
15
NE
20
S
10
SW
10
SSW
20
SSW
15
SSW
5
SSW
5
WSW
5
W
10
ESE
5
W
5
WNW
10
ENE
5
WNW
5
W
10
E
5
W
0
WSW
10
ENE
cross-off
cross-off
cross-on
cross
cross-off
cross
cross-off
cross
glassy
cross-off
glassy
on
cross-off
glassy
cross-on
off
glassy
on
glassy
glassy
cross-on
High Tide
2:38AM0.81m
7:18AM0.93m
8:32PM1.03m
8:35AM0.95m
2:34PM0.48m
9:42PM1.09m
9:45AM1.02m
10:45PM1.18m
10:48AM1.13m
11:39PM1.27m
11:43AM1.24m
00:26AM1.32m
12:34PM1.34m
1:09AM1.34m
1:22PM1.42m
Low Tide
11:18PM0.64m
4:11AM0.79m
00:23AM0.73m
5:01AM0.70m
1:31PM0.47m
5:40AM0.60m
5:26PM0.34m
6:14AM0.50m
6:07PM0.24m
6:45AM0.42m
6:45PM0.17m
7:11AM0.36m
7:19PM0.15m
7:27AM0.30m
part cloud
part cloud
cloud
cloud
light rain
mod rain
heavy rain
heavy rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
6:41
6:41
6:43
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:38
5:38
5:37
5:37
5:37
5:36
5
7
31
14
3
Temp °C
23
28
27
25
16
17
14
12
14
14
16
17
16
17
19
17
19
20
18
20
21
25
28
27
26
17
17
11
10
14
14
15
15
15
16
17
16
19
19
18
20
21
Swell 1
Height (m)
Direction
Period (s)
0.9
ENE
6
0.8
E
7
0.1
SE
13
0.7
E
8
0.7
SE
6
0.6
SE
6
0.8
SE
7
0.6
SE
6
0.4
SSE
6
0.6
SE
16
0.7
SE
16
0.7
SE
16
0.8
SE
15
0.8
SE
14
0.7
SE
14
0.6
SE
13
0.5
SE
13
0.4
SE
12
0.4
SE
12
0.3
SE
11
0.2
E
9
Energy kJ
62
61
6
60
38
31
62
24
15
167
239
239
262
251
189
113
84
54
37
19
6
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
13
0.1
SE
13
0.6
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.4
E
8
0.5
SE
10
0.4
E
8
0.3
E
8
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.2
E
9
0.2
E
9
0.2
SSE
11
Energy kJ
7
6
41
41
46
35
22
46
23
13
13
14
14
14
15
15
6
6
12
Swell 3
Height (m)
Direction
Period (s)
0.1
S
10
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
ESE
18
0.4
E
9
0.2
ENE
4
0.2
ENE
4
0.1
SE
14
Energy kJ
2
7
6
6
6
32
24
2
2
7
Wind waves
Height (m)
Direction
Period (s)
1.4
ENE
6
0.8
ENE
7
0.4
SSE
14
1.4
SSE
7
1.4
SSE
6
0.3
SW
3
0.4
SSW
3
0.4
SW
4
0.4
NNE
3
0.3
NE
4
0.2
ENE
4
Energy kJ
155
69
67
175
153
1
4
3
4
3
2
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
2
2
1
1
1
2
2
2
2
2
3
1
1
1
1
1
1
Distance (km)
0
0
75
126
0
27
27
57
0
0
0
57
0
0
51
0
0
75
13
38
51
Best forecast wave conditions in Santa Catarina - Norte
Rating
(10 max)
2
1
1
2
2
2
2
1
1
2
2
3
2
2
1
1
1
1
1
Best forecast wave conditions in Brazil
Rating
(10 max)
3
1
2
2
3
2
2
1
1
4
4
4
4
3
4
2
2
2
1
1
1
Header Global
Rating
(10 max)
7
7
5
5
4
5
4
4
4
5
5
5
5
9
6
9
8
6
5
5
4
  • 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 do Sai Surf forecast

The above surf forecast table for Barre do Sai provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Barre do Sai can be found by selecting the local surf guide option on the grey menu. Our Barre do Sai 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 do Sai) 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 do Sai 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.

Barre do Sai is 13 km (8 miles) from Guaratuba. If you plan a holiday in Santa Catarina - Norte, look for hotels and other accommodation in Guaratuba. Guaratuba has rooms for a wide range of budgets as well as car hire and transport links.

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