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Surf Forecasts:

Barra da Lagoa surfForecast / Santa Catarina – Florianópolis / Brazil

information circle12 Day Weather and Surf, issued 2 pm Thursday 18 Sep 2025 -03
Forecast update in hr  min  s Forecast update imminent
Barra da Lagoa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barra da Lagoa sea temperature is
19.8° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Barra da Lagoa this week:

The surf forecast for Barra da Lagoa over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 9PM. The primary swell is predicted to be 1.0m and 12s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Barra da Lagoa in the next 12 days are 1.0m 12s and forecast to arrive on Thursday (Sep 18) at 9PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Monday (Sep 22) at 6PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 18th Sep)3.5ft (1.0m) 12s
Best Surf 9PM (Thu 18th Sep)3.5ft (1.0m) 12s
Most Powerful 9PM (Thu 18th Sep)3.5ft (1.0m) 12s

Table - best surf conditions forecast for Barra da Lagoa over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 6mm), mostly falling on Sun morning. Warm (max 23°C on Sat morning, min 18°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 69mm), heaviest during Sun night. Warm (max 20°C on Sun afternoon, min 13°C on Mon night). Winds increasing (calm on Sun afternoon, fresh winds from the S by Mon afternoon).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
SE
0.9
SE
0.6
SE
0.6
SE
0.6
SE
0.5
SE
0.4
SE
0.3
SE
0.2
ESE
0.4
NNW
0.1
SE
0.2
SSE
1.4
ENE
2.4
S
1.6
S
1.2
S
1.2
S
1.2
S
1.1
S
0.3
SSE
0.9
ENE
Period(s) (?)1211111110109993151399910111010145
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2282029290604629128381700000004030
Wind
(km/h)
10
NE
5
NNE
10
N
20
NNE
10
NNW
10
N
15
NE
5
NNE
10
NNW
5
SW
5
NNE
20
N
35
S
10
SSW
10
WNW
15
ENE
5
S
5
SW
15
SSE
10
SSE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		crosscross-
on		crosscrosscross-
on		cross-
on		crossglasscross-
on		crosscross-
off		cross-
off		cross-
off		onglasscross-
off		crosscrosscross
High Tide
/ height (m)
12:06AM
0.72
1:24PM
0.82
12:36AM
0.81
1:35PM
0.82
1:06AM
0.87
1:51PM
0.82
1:37AM
0.90
2:10PM
0.81
2:08AM
0.91
2:29PM
0.79
2:39AM
0.89
2:48PM
0.76
3:10AM
0.85
Low Tide
/ height (m)
7:08PM
0.36
6:59AM
0.02
7:26PM
0.32
7:30AM
0.01
7:44PM
0.28
7:56AM
0.03
7:59PM
0.25
8:20AM
0.07
8:11PM
0.21
8:39AM
0.13
8:23PM
0.18
8:56AM
0.19
8:37PM
0.16
9:10AM
0.27
Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise--6:07--6:05--6:03--6:03--6:01--6:01--6:00
Sunset6:07--6:07--6:07--6:08--6:08--6:09--6:09--
clear
rain showers
part cloud
clear
part cloud
clear
part cloud
rain showers
rain showers
mod rain
heavy rain
light rain
heavy rain
clear
clear
clear
clear
part cloud
part cloud
rain showers
rain showers
Rain (mm)
-1-----141042413------21
Temp. °C212021211923222020202020161618181716181818
Feels °C (?)212220191923212222232219111315151615161616
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Santa Catarina - Florianópolis

  1. weather stationWind Update Continuing clean conditions at Barra da Lagoa (calm at Morro da Cruz wx 11 km from Barra da Lagoa). 1.9m 10s swell from the E with a 0.8m 12s groundswell from the SE. 2 swells combining so expect closeout sets.

    41 minutes ago Barra da Lagoa
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Actual: 41 min ago

0 km/h
ESE
Clean
Please reload the page to see if there are any updates.

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 Barra da Lagoa 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.

View detailed surf forecast for Barra da Lagoa at:
surf-forecast.com

Information about the Barra da Lagoa Surf forecast

The above surf forecast table for Barra da Lagoa provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Barra da Lagoa can be found by selecting the local surf guide option on the grey menu. Our Barra da Lagoa 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 (Barra da Lagoa) 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 Barra da Lagoa 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.

Barra da Lagoa is 9 km (6 miles) from Florianopolis. If you plan a holiday in Florianópolis, look for hotels and other accommodation in Florianopolis. Florianopolis has rooms for a wide range of budgets as well as car hire and transport links.

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