Barre do Sai Surf Break

Lat Long: 25.99° S 48.60° W

Barre do Sai Surf Forecast and Surf Report

Issued: 8 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Barre do Sai sea temperature is
19.0° C
0.7° 

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 20 Jul 2026:

  • Best quality surf: Monday 20 Jul, 6PM (local time) - 4.5ft (1.4m), 8s period, ENE swell with glassy winds.
  • Most powerful swell: Sunday 26 Jul, 9AM (local time) - 4ft (1.2m), 11s period, SE swell with 338 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 6PM (local time) - 4.5ft (1.4m), 8s period with ENE 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 (Jul 20) at 6PM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 0.8m and 8s. Another secondary swell of 0.1m and 12s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Barre do Sai in the next 16 days are 1.2m 11s and forecast to arrive on Sunday (Jul 26) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Jul 26) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 20th Jul)4.5ft (1.4m) 8s
Best Surf 6PM (Mon 20th Jul)4.5ft (1.4m) 8s
Most Powerful 9AM (Sun 26th Jul)4ft (1.2m) 11s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Wed night. Warm (max 27°C on Tue morning, min 17°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 34mm), heaviest during Fri night. Warm (max 23°C on Sat afternoon, min 15°C on Sat night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
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
1
1
1
0
1
1
0
1
0
0
1
1
1
1
1
0
1
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
8
1.2
ENE
8
0.8
E
8
0.7
E
8
0.7
E
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
9
0.6
E
8
0.7
SE
6
1.1
SSE
8
0.6
SE
9
0.6
SE
9
0.7
SE
9
0.6
SE
9
0.6
SE
9
0.7
SE
9
1.2
SE
11
1.2
SE
11
1
SE
10
Wave Graph
Metric surfscale
Energy kJ
61
197
86
60
58
84
63
65
73
49
38
176
67
52
78
61
61
73
338
319
204
Wind (km/h)
5
NW
10
E
5
NW
5
NNW
10
E
5
NW
5
SSW
15
S
5
NW
15
S
15
S
10
SSW
10
SW
5
SSW
5
W
10
N
10
SSW
10
WSW
5
WSW
5
ESE
5
WSW
Wind State
glassy
cross-on
glassy
glassy
cross-on
off
glassy
cross-on
glassy
cross
cross
cross
cross-off
glassy
cross-off
cross-off
cross
cross-off
glassy
on
glassy
High Tide
7:25PM0.98m
7:44AM1.03m
8:14PM0.93m
8:55AM0.97m
4:00PM0.71m
9:15PM0.89m
4:33AM0.58m
10:25PM0.89m
11:33AM1.02m
11:33PM0.94m
12:36PM1.11m
00:29AM1.01m
1:23PM1.21m
1:16AM1.11m
Low Tide
11:37AM0.37m
11:45PM0.46m
12:17PM0.50m
00:36AM0.49m
1:08PM0.63m
1:46AM0.53m
5:00AM0.58m
6:28PM0.64m
6:08AM0.47m
7:11PM0.58m
6:49AM0.36m
7:44PM0.52m
7:23AM0.27m
8:11PM0.47m
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
mod rain
light rain
light rain
light rain
mod rain
light rain
rain showers
rain showers
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
6:58
6:58
6:58
6:56
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
5:43
5:44
5:44
5:45
 mm
6
2
1
4
6
4
15
1
1
Temp °C
25
25
22
27
27
23
24
22
19
17
17
16
16
16
17
22
23
17
20
20
17
Feels °C
24
25
23
27
27
23
23
22
19
16
16
16
16
17
19
24
22
15
19
19
17
  • 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
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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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