Barre do Sai Surf Break

Lat Long: 25.99° S 48.60° W

Barre do Sai Surf Forecast and Surf Report

Issued: 8 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Barre do Sai sea temperature is
20.9°C
2.6° 

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 22 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 6AM (local time) - 3ft (0.9m), 16s period, SE swell with glassy winds.
  • Most powerful swell: Monday 24 Aug, 12PM (local time) - 3ft (0.9m), 16s period, SE swell with 411 kJ wave energy.
  • Next surfable swell (1★+): Saturday 22 Aug, 6AM (local time) - 2.5ft (0.8m), 11s period with SE 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 Saturday (Aug 22) at 6AM. The primary swell is predicted to be 0.8m and 11s period with a secondary swell of 0.4m and 8s. 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 0.9m 16s and forecast to arrive on Monday (Aug 24) at 12PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sat 22nd Aug)2.5ft (0.8m) 11s
Best Surf 6AM (Wed 26th Aug)3ft (0.9m) 16s
Most Powerful12PM (Mon 24th Aug)3ft (0.9m) 16s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Very mild (max 17°C on Fri night, min 14°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Thu afternoon, min 15°C on Mon night). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
0
0
0
0
2
1
2
1
0
1
2
1
2
2
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSE
10
0.7
SE
11
0.7
SE
11
0.6
SE
10
0.6
SE
12
0.6
SE
13
0.6
SE
13
0.9
SE
15
0.8
SE
16
0.7
SE
14
0.6
SE
13
0.6
SE
13
0.6
SE
12
0.8
SE
16
0.9
SE
16
0.8
SE
14
0.7
SE
14
0.6
SE
13
0.6
SE
13
Wave Graph
Metric surfscale
Energy kJ
442
114
110
63
86
104
144
380
339
206
113
106
95
302
400
297
187
144
106
Wind (km/h)
5
S
5
SSW
15
E
5
SSE
5
SSW
10
ESE
10
SSE
5
S
5
ESE
5
NNE
5
SSW
10
NE
5
NE
0
NNE
5
NE
5
W
5
NNW
15
ENE
10
NNE
Wind State
cross-on
glassy
on
cross-on
cross
on
cross-on
glassy
on
glassy
glassy
cross-on
glassy
glassy
cross
glassy
glassy
cross-on
cross
High Tide
9:51PM0.81m
11:22AM0.98m
11:14PM0.89m
12:25PM1.10m
00:14AM1.02m
1:07PM1.22m
00:58AM1.16m
1:43PM1.32m
1:35AM1.28m
2:16PM1.40m
2:11AM1.39m
2:50PM1.44m
2:46AM1.45m
Low Tide
6:11AM0.48m
7:09PM0.57m
6:49AM0.35m
7:34PM0.49m
7:20AM0.23m
7:56PM0.43m
7:47AM0.13m
8:15PM0.38m
8:09AM0.06m
8:27PM0.35m
8:27AM0.01m
8:34PM0.31m
part cloud
part cloud
part cloud
light rain
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:35
6:35
6:33
6:33
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:57
5:58
5:58
5:59
5:59
5:59
 mm
5
Temp °C
17
17
17
15
16
17
15
15
16
15
17
17
16
18
18
17
20
21
19
Feels °C
15
15
15
14
15
16
14
14
15
14
17
16
16
19
19
18
20
21
21
  • 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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