Surf Break

Lat Long: 25.99° S 48.60° W

Barre do Sai Surf Forecast and Surf Report

Issued: 8 pm 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Barre do Sai sea temperature is
21.4°C
1.6° 

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 29 Sep 2026:

  • Best quality surf: Saturday 3 Oct, 6PM (local time) - 2.5ft (0.7m), 13s period, SE swell with glassy winds.
  • Most powerful swell: Sunday 4 Oct, 3AM (local time) - 5ft (1.5m), 6s period, ENE swell with 181 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 29 Sep, 9PM (local time) - 2.5ft (0.8m), 7s period with E 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 Tuesday (Sep 29) at 9PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.1m and 12s. 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 1.5m 6s and forecast to arrive on Sunday (Oct 04) at 3AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 29th Sep)2.5ft (0.8m) 7s
Best Surf 6PM (Sat 3rd Oct)2.5ft (0.7m) 13s
Most Powerful 3AM (Sun 4th Oct)5ft (1.5m) 6s

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


Short Range Forecast

Heavy rain (total 58mm), heaviest during Thu morning. Warm (max 23°C on Tue morning, min 16°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 16mm), heaviest on Sun morning. Warm (max 22°C on Sun afternoon, min 16°C on Thu night). Wind will be generally light.

Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
1
1
2
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
6
0.6
E
6
0.8
E
7
0.9
E
7
0.9
E
8
0.9
ESE
8
0.9
ESE
8
0.6
E
8
0.6
E
8
0.9
SSE
5
0.4
SE
11
0.4
SE
11
0.5
SE
11
0.6
SE
14
0.7
SE
14
1.3
ENE
6
0.6
SE
12
0.7
E
7
0.6
E
8
Wave Graph
Metric surfscale
Energy kJ
17
30
58
79
100
112
122
47
48
38
41
45
61
114
179
138
95
51
41
Wind (km/h)
5
N
5
NNE
20
NE
10
NNW
15
SSW
5
SSE
15
S
10
S
5
SE
10
SSE
5
SE
5
ESE
10
ENE
15
NE
5
ENE
5
W
5
NNE
0
WSW
10
SE
Wind State
glassy
cross
cross-on
cross-off
cross
cross-on
cross
cross-on
on
cross-on
cross-on
on
cross-on
cross
cross-on
glassy
glassy
glassy
cross-on
High Tide
4:22AM1.40m
4:38PM1.15m
5:10AM1.28m
5:17PM1.00m
6:08AM1.15m
2:06PM0.85m
6:06PM0.87m
7:23AM1.03m
2:07PM0.92m
7:19PM0.77m
8:54AM0.98m
2:17PM0.97m
8:50PM0.76m
10:31AM1.04m
2:12PM1.00m
10:15PM0.86m
Low Tide
9:26AM0.22m
9:28PM0.13m
9:53AM0.36m
10:00PM0.17m
10:24AM0.52m
4:02PM0.82m
10:37PM0.25m
10:57AM0.69m
5:24PM0.72m
11:21PM0.37m
4:46AM0.59m
6:10PM0.62m
5:40AM0.43m
12:46PM0.98m
6:43PM0.55m
rain showers
part cloud
rain showers
rain showers
rain showers
mod rain
heavy rain
heavy rain
mod rain
light rain
cloud
cloud
light rain
light rain
light rain
part cloud
mod rain
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:56
—
—
5:54
—
—
5:54
—
—
5:52
—
—
5:52
—
—
5:50
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
—
6:13
—
—
6:13
—
—
6:14
—
—
6:14
—
—
6:14
—
—
6:15
—
 mm
8
—
6
3
2
10
12
11
6
3
—
—
2
2
3
—
6
—
—
Temp °C
20
23
23
20
22
20
18
17
17
16
16
17
18
18
19
18
20
22
20
Feels °C
23
24
23
23
23
22
18
17
18
16
16
17
17
18
21
20
22
25
20
  • 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
How to use the Wavefinder 
submit an eyeball surf report

Quick surf report for Barre do Sai:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Barre do Sai surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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.

Nearest locationNearest