Barre do Sai Surf Break

Lat Long: 25.99° S 48.60° W

Barre do Sai Surf Forecast and Surf Report

Issued: 8 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barre do Sai sea temperature is
20.7°C
1.7° 

Barre do Sai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Barre do Sai surf forecast from 14 Sep 2026:

  • Best quality surf: Sunday 20 Sep, 6AM (local time) - 7ft (2.2m), 9s period, E swell with cross-offshore winds.
  • Most powerful swell: Sunday 20 Sep, 9AM (local time) - 8ft (2.4m), 9s period, ENE swell with 878 kJ wave energy.
  • Next surfable swell (1★+): Monday 14 Sep, 3PM (local time) - 4.5ft (1.4m), 6s period with SSE swell.

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 Monday (Sep 14) at 3PM. The primary swell is predicted to be 1.4m and 6s period with a secondary swell of 0.8m and 6s. Another secondary swell of 0.3m and 8s 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 2.4m 9s and forecast to arrive on Sunday (Sep 20) at 9AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Mon 14th Sep)4.5ft (1.4m) 6s
Best Surf 6AM (Sun 20th Sep)7ft (2.2m) 9s
Most Powerful 9AM (Sun 20th Sep)8ft (2.4m) 9s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Mon morning. Very mild (max 19°C on Tue afternoon, min 13°C on Mon morning). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 76mm), heaviest during Sat morning. Warm (max 20°C on Sat afternoon, min 16°C on Thu morning). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
1
1
0
0
0
0
0
1
0
0
0
0
0
0
0
1
3
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SSE
6
1.4
SSE
6
0.6
SE
8
0.6
SE
9
0.5
SE
9
0.4
SE
8
0.3
SE
12
0.8
ESE
8
0.6
SE
9
0.5
SE
10
0.4
SE
12
0.4
SE
13
0.9
E
6
1
E
6
1.2
E
7
1.6
E
7
1.8
E
8
2.2
E
8
2.4
ENE
9
1.3
E
9
1.1
E
9
Wave Graph
Metric surfscale
Energy kJ
182
144
45
52
36
24
23
72
50
46
37
61
63
83
147
279
377
675
878
276
194
Wind (km/h)
15
SSW
10
SW
5
SW
0
W
10
ENE
5
SSW
10
S
10
SE
5
SE
5
SSE
10
E
10
ENE
15
ENE
15
ENE
20
ENE
20
ENE
15
NE
15
NNE
5
NNE
5
E
5
W
Wind State
cross
cross-off
cross-off
glassy
cross-on
cross
cross-on
on
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
glassy
glassy
High Tide
4:29PM1.17m
4:52AM1.26m
4:52PM1.08m
5:34AM1.13m
5:15PM0.98m
6:29AM1.01m
3:12PM0.90m
7:46AM0.91m
2:54PM0.88m
7:35PM0.79m
3:24AM0.63m
2:40PM0.87m
9:23PM0.80m
10:57AM0.98m
10:48PM0.91m
Low Tide
9:28AM0.19m
9:33PM0.14m
9:54AM0.29m
10:03PM0.16m
10:21AM0.41m
10:35PM0.23m
10:50AM0.53m
5:21PM0.88m
11:12PM0.33m
11:24AM0.67m
5:58PM0.77m
11:58PM0.47m
5:05AM0.61m
12:12PM0.80m
6:21PM0.66m
5:53AM0.47m
6:44PM0.56m
light rain
light rain
rain showers
cloud
clear
rain showers
light rain
cloud
light rain
part cloud
cloud
mod rain
light rain
light rain
mod rain
heavy rain
heavy rain
heavy rain
light rain
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
6:11
6:09
6:07
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:07
6:07
6:07
6:08
6:08
 mm
4
3
1
1
2
1
6
4
2
9
17
11
27
1
1
1
Temp °C
13
13
14
17
19
17
17
17
16
18
18
17
18
19
19
19
20
19
22
21
21
Feels °C
11
12
13
17
19
17
17
16
15
18
17
16
18
19
18
18
20
18
24
24
24
  • 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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