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Surf Forecasts:

Praia do Porto surfForecast / Santa Catarina – Sul / Brazil

information circle12 Day Weather and Surf, issued 2 am Thursday 18 Sep 2025 -03
Forecast update in hr  min  s Forecast update imminent
Praia do Porto surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia do Porto sea temperature is
19.1° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Praia do Porto this week:

The surf forecast for Praia do Porto over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 20) at 6PM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 0.5m and 12s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Praia do Porto in the next 12 days are 2.5m 9s and forecast to arrive on Tuesday (Sep 23) at 9PM. Winds are predicted to be offshore at the time the swell arrives.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sat 20th Sep)5ft (1.6m) 9s
Best Surf12AM (Tue 23rd Sep)8ft (2.4m) 8s
Most Powerful 9PM (Tue 23rd Sep)8ft (2.5m) 9s

Table - best surf conditions forecast for Praia do Porto 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 Sat night. Warm (max 25°C on Sat morning, min 18°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 78mm), heaviest during Sun night. Warm (max 21°C on Sun morning, min 12°C on Mon night). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Tue night).

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
0
0
0
1
2
2
2
0
0
0
4
2
2
4
3
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
E
1.8
E
1.7
E
1.6
E
1.7
ENE
1.3
ENE
1.2
E
1.5
ENE
1.6
ENE
1.4
ENE
1.3
ENE
1.2
ENE
1.3
ENE
1.3
ENE
2.4
SSW
1.4
S
2.2
S
2.5
S
1.8
S
1.7
S
1.5
S
Period(s) (?)10101099888999899812810111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6766665524174272401953064333012512072682807135445581212743651467
Wind
(km/h)
10
NNE
20
ENE
15
NNE
15
NNE
25
NE
10
NNE
5
NNE
10
ENE
5
SW
5
NNE
5
ENE
5
NNE
20
N
35
SW
15
WSW
5
NW
15
SE
10
SW
0
SE
10
ESE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononcross-
on		oncross-
on		glassglassglassoncross-
on		offoffcrosscrossoffglasscross-
on		on
High Tide
/ height (m)
2:00PM
0.55
12:06AM
0.53
1:48PM
0.56
12:44AM
0.59
1:58PM
0.58
1:28AM
0.64
2:18PM
0.60
2:10AM
0.66
2:40PM
0.61
2:45AM
0.67
3:04PM
0.61
3:16AM
0.66
3:28PM
0.59
Low Tide
/ height (m)
6:21PM
0.19
6:29AM
-0.02
6:56PM
0.15
7:11AM
-0.03
7:28PM
0.12
7:46AM
-0.03
7:56PM
0.09
8:15AM
-0.01
8:21PM
0.07
8:40AM
0.03
8:41PM
0.07
9:00AM
0.08
8:55PM
0.08
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Sunrise6:09--6:07--6:07--6:05--6:03--6:03--6:01--
Sunset-6:07--6:08--6:08--6:09--6:09--6:10--6:10-
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
rain showers
rain showers
heavy rain
heavy rain
mod rain
rain showers
clear
clear
clear
part cloud
part cloud
clear
part cloud
Rain (mm)
-------153135264-------
Temp. °C222219242319252220212020211614201816171717
Feels °C (?)21201922211925232122232221109181514161516
  • 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 - Sul

  1. weather stationWind Update Continuing clean conditions at Praia do Porto (calm at Florianopolis Airport 63 km from Praia do Porto). 2.0m 10s swell from the E with a 1.0m 12s groundswell from the SE. 2 swells combining to make bigger set waves.

    2 hours 34 minutes ago Praia do Porto
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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 Praia do Porto 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 Praia do Porto at:
surf-forecast.com

Information about the Praia do Porto Surf forecast

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

Praia do Porto is 2 km (1 miles) from Imbituba. If you plan a holiday in Santa Catarina - Sul, look for hotels and other accommodation in Imbituba. Imbituba has rooms for a wide range of budgets as well as car hire and transport links.

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