Ribanceira surfForecast / Santa Catarina – Sul / Brazil

information circle16 Day Weather and Surf, issued 2 am Sunday 17 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Ribanceira surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ribanceira sea temperature is
21.1° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Ribanceira this week:

The surf forecast for Ribanceira over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 17) at 9AM. The primary swell is predicted to be 1.0m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ribanceira in the next 16 days are 3.0m 15s and forecast to arrive on Thursday (May 21) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Sunday (May 24) at 6AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 17th May)3.5ft (1.0m) 10s
Best Surf12AM (Thu 21st May)10ft (3.0m) 14s
Most Powerful 3AM (Thu 21st May)10ft (3.0m) 16s

Table - best surf conditions forecast for Ribanceira over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 25mm), heaviest during Sun night. Warm (max 21°C on Sun morning, min 13°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Very mild (max 17°C on Wed morning, min 12°C on Wed night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
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
2
1
2
4
4
3
2
3
5
4
4
4
3
3
3
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
S
10
0.9
S
10
0.7
S
10
2
SSE
7
1.5
S
6
1.8
S
8
2.3
SSE
17
2.5
S
15
2.1
S
14
1.6
S
13
1.7
S
13
3
S
14
3
S
14
3
S
14
2.5
S
14
2.3
S
13
2.3
S
13
2.1
S
13
2
SSE
12
1.6
S
12
1.6
S
12
Wave Graph
Metric surfscale
Energy kJ
206
158
90
371
176
368
2987
2906
1662
826
1032
3512
3504
3728
2466
1894
1866
1514
1197
734
723
Wind (km/h)
5
SW
10
S
15
WSW
20
SW
25
WSW
20
WSW
15
SW
15
S
5
WSW
5
SW
10
SSE
10
WSW
10
SW
20
S
15
SW
10
SW
15
SSE
5
WSW
5
SSW
0
SW
5
NW
off
cross-off
off
off
off
off
off
cross-off
glassy
off
cross-off
cross-off
off
cross-off
off
off
cross-off
glassy
glassy
glassy
glassy
High Tide
3:17PM0.68m
3:00AM0.55m
3:57PM0.66m
3:31AM0.55m
4:43PM0.62m
4:02AM0.54m
5:57PM0.58m
4:41AM0.53m
7:07PM0.55m
5:53AM0.52m
7:49PM0.53m
7:03AM0.52m
8:34PM0.51m
Low Tide
9:14PM0.21m
8:59AM0.05m
10:04PM0.28m
9:37AM0.08m
11:27PM0.34m
10:57AM0.13m
00:25AM0.37m
12:12PM0.15m
8:59PM0.48m
1:06PM0.17m
8:45PM0.47m
2:17PM0.20m
8:46PM0.46m
clear
part cloud
heavy rain
mod rain
light rain
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
mod rain
mod rain
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
6:50
6:50
6:52
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:30
5:30
5:29
5:29
5:29
14
6
3
2
9
7
1
Temp °C
21
20
18
17
14
13
17
16
15
17
17
15
16
16
14
16
16
15
15
16
17
22
21
18
15
10
10
15
14
14
16
15
13
12
11
11
13
14
15
15
17
17
Swell 1
Height (m)
Direction
Period (s)
1
S
10
0.9
S
10
0.7
S
10
1.7
SSE
7
0.4
SSE
13
0.8
ESE
6
2.3
SSE
17
2.5
S
15
2.1
S
14
1.6
S
13
1.7
S
13
2.5
S
14
3
S
14
3
S
14
2.5
S
14
2.3
S
13
2.3
S
13
2.1
S
13
2
SSE
12
1.6
S
12
1.6
S
12
Energy kJ
206
158
90
265
58
42
2987
2906
1662
826
1032
2785
3504
3004
2466
1894
1866
1514
1197
734
723
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
7
0.2
ESE
5
0.2
ENE
7
0.5
S
10
0.1
S
17
0.4
S
12
0.1
E
11
0.5
E
6
0.5
E
6
0.4
E
7
0.3
ENE
7
0.2
ENE
7
0.1
E
10
1.2
ESE
6
1.3
E
6
Energy kJ
5
2
5
44
6
45
2
17
16
17
10
5
2
107
128
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.2
ENE
6
0.2
SSE
16
0.4
SSE
14
0.1
SE
11
0.3
SSE
15
Energy kJ
6
3
25
70
5
44
Wind waves
Height (m)
Direction
Period (s)
0.7
S
5
2
SSE
7
1.5
S
6
1.8
S
8
2.3
S
14
3
S
14
3
S
14
1.5
ESE
6
Energy kJ
21
371
176
368
1979
3512
3728
155
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
2
4
4
3
2
3
5
4
5
4
3
3
3
3
2
2
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
17
0
0
0
0
0
0
0
Best forecast wave conditions in Santa Catarina - Sul
Rating
(10 max)
2
1
1
3
2
3
5
4
4
3
4
7
4
5
4
4
4
4
4
4
3
Best forecast wave conditions in Brazil
Rating
(10 max)
2
1
2
3
2
3
5
4
4
5
4
7
4
5
5
4
4
4
4
4
3
Header Global
Rating
(10 max)
4
6
4
4
4
5
4
5
4
5
6
5
5
9
5
4
5
5
4
4
4
  • 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 Ribanceira Surf forecast

The above surf forecast table for Ribanceira provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ribanceira can be found by selecting the local surf guide option on the grey menu. Our Ribanceira 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 (Ribanceira) 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 Ribanceira 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.

Ribanceira is 6 km (4 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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