Silveira surfForecast / Santa Catarina – Sul / Brazil

information circle16 Day Weather and Surf, issued 2 am Saturday 21 Mar 2026 -03
Forecast update in hr  min  s Forecast update imminent
Silveira surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Silveira sea temperature is
26.8° C
(Which is 1.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Silveira this week:

The surf forecast for Silveira over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 22) at 9AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.1m and 6s. Another secondary swell of 0.7m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Silveira in the next 16 days are 1.2m 13s and forecast to arrive on Wednesday (Mar 25) 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 0.9m 5s period and expected on Tuesday (Mar 24) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 22nd Mar)2.5ft (0.8m) 9s
Best Surf 9PM (Wed 25th Mar)4ft (1.2m) 13s
Most Powerful 9PM (Wed 25th Mar)4ft (1.2m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Sun night. Warm (max 29°C on Sat morning, min 23°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Tue afternoon. Warm (max 29°C on Tue morning, min 20°C on Tue night). Wind will be generally light.

Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
1
0
0
0
0
0
0
0
0
0
0
3
2
0
2
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
ESE
1
NE
1.1
NE
0.5
ESE
0.9
SSW
1.1
SSW
1.2
S
1.1
S
1
S
0.9
S
1.3
ENE
1.3
ENE
1.1
NE
Period(s) (?)999910109996696912121110776
Wave
Graph
(?)Metric surfscale
Energy kJ (?)145103999410510598947061724452211446327235164160147106
Wind
(km/h)
10
NNE
20
NE
20
NNE
10
N
5
E
10
NNE
15
NNE
30
NE
25
N
20
N
10
ENE
20
SSW
15
SSW
15
SSE
5
W
0
SW
15
ENE
10
N
15
NNE
25
NE
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
cross-
off
cross-
off
cross-
on
crosscrosscrosscross-
off
cross-
off
cross-
on
crosscrosscross-
on
glassglasscross-
on
cross-
off
crosscross-
on
cross-
off
High Tide
/ height (m)
3:06PM
0.70
3:08AM
0.51
3:43PM
0.65
3:22AM
0.49
4:24PM
0.58
10:28PM
0.51
3:32AM
0.47
5:13PM
0.48
11:25PM
0.61
11:58AM
0.26
6:30PM 12:09AM
0.39 0.68
12:17PM
0.30
12:48AM
0.71
12:33PM
0.35
1:21AM
0.72
Low Tide
/ height (m)
9:44AM
0.20
10:52PM
0.22
8:18AM
0.20
11:57PM
0.34
7:58AM
0.16
7:40PM 1:25AM
0.44 0.44
8:17AM
0.13
7:38PM
0.43
8:43AM
0.15
2:09PM
0.23
7:21PM
0.39
9:12AM
0.19
3:39PM
0.18
9:39AM
0.27
4:50PM
0.11
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sunrise6:18--6:18--6:18--6:18--6:20--6:20--6:20--
Sunset-6:23--6:22--6:22--6:21--6:20--6:19--6:16-
clear
clear
part cloud
clear
part cloud
thunderstorm
clear
clear
part cloud
clear
light rain
light rain
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
clear
Rain (mm)
-----1----12---------
Temp. °C292824292824282824292822242423272724292824
Feels °C (?)302926313229282724303022242426292826292825
  • Map Icons:
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  • 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 Silveira Surf forecast

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

Silveira is 22 km (14 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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