Ponta Das Aranhas surfForecast / Santa Catarina – Florianópolis / Brazil

information circle16 Day Weather and Surf, issued 2 am Tuesday 12 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Ponta Das Aranhas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ponta Das Aranhas sea temperature is
22.3° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Ponta Das Aranhas this week:

The surf forecast for Ponta Das Aranhas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 12) at 6AM. The primary swell is predicted to be 2.5m and 14s period with a secondary swell of 0.5m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ponta Das Aranhas in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (May 19) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Sunday (May 17) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Tue 12th May)8ft (2.5m) 14s
Best Surf 6AM (Tue 12th May)8ft (2.5m) 14s
Most Powerful 9AM (Tue 19th May)8ft (2.5m) 14s

Table - best surf conditions forecast for Ponta Das Aranhas over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 19°C on Thu morning, min 13°C on Tue morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Warm (max 21°C on Sat afternoon, min 18°C on Fri morning). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
Monday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
4
2
2
2
3
3
1
2
1
2
2
1
2
2
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
SSE
14
2.3
SSE
13
1.9
SSE
13
1.6
S
12
1.4
S
12
1.4
S
11
1.3
SSE
14
1.7
S
13
1.5
S
12
1.4
S
12
1.3
S
11
1.1
S
10
1
S
10
1
S
10
0.9
S
10
0.8
S
10
0.7
S
10
0.9
ENE
7
1
S
6
1.4
SSE
7
2.1
SSE
7
Wave Graph
Metric surfscale
Energy kJ
2180
1792
1269
786
555
476
597
986
649
538
389
254
206
206
174
141
104
73
66
168
462
Wind (km/h)
10
NW
25
N
10
NW
5
SW
10
S
10
S
10
SW
10
SE
15
S
10
S
5
NE
10
N
10
NW
15
NNE
10
NW
15
NNW
20
NNW
10
SW
10
SSW
15
SSW
25
SE
off
cross-off
off
cross
cross-on
cross-on
cross
on
cross-on
cross-on
cross
cross-off
off
cross-off
off
cross-off
cross-off
cross
cross
cross-on
on
High Tide
11:08AM0.74m
00:12AM0.82m
11:56AM0.81m
00:41AM0.81m
12:41PM0.88m
1:08AM0.77m
1:25PM0.92m
1:33AM0.72m
2:09PM0.93m
1:56AM0.67m
2:53PM0.91m
2:18AM0.64m
3:39PM0.85m
2:42AM0.63m
Low Tide
5:42PM0.08m
6:14AM0.25m
6:34PM0.08m
6:53AM0.20m
7:26PM0.10m
7:29AM0.16m
8:18PM0.17m
8:04AM0.13m
9:13PM0.26m
8:38AM0.11m
10:10PM0.36m
9:14AM0.10m
11:09PM0.47m
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
light rain
rain showers
part cloud
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:45
6:46
6:46
6:47
6:47
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:32
5:31
5:31
5:30
5:30
5
1
7
21
Temp °C
16
18
17
17
18
18
19
19
18
19
19
19
20
21
20
21
21
19
20
19
19
11
13
15
16
17
18
19
18
16
18
18
19
21
21
21
21
20
20
20
19
18
Swell 1
Height (m)
Direction
Period (s)
2.5
SSE
14
2.3
SSE
13
1.9
SSE
13
1.6
S
12
1.4
S
12
1.4
S
11
1.3
S
11
1.7
S
13
1.5
S
12
1.4
S
12
1.3
S
11
1.1
S
10
1
S
10
1
S
10
0.9
S
10
1
NE
6
0.9
ENE
6
0.9
ENE
7
0.7
ENE
7
0.6
ENE
7
0.6
ENE
7
Energy kJ
2180
1792
1269
786
555
476
394
986
649
538
389
254
206
206
174
66
71
73
42
31
37
Swell 2
Height (m)
Direction
Period (s)
0.4
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
10
0.4
ENE
10
0.4
ENE
9
1.3
SSE
14
0.4
ENE
9
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.2
E
8
0.4
NE
3
0.2
E
8
0.8
NE
5
0.8
S
10
0.7
S
10
0.6
S
10
0.5
S
10
0.3
SSE
14
0.6
SSE
13
Energy kJ
28
28
27
30
30
28
597
26
14
14
13
5
4
4
32
141
104
71
47
40
133
Swell 3
Height (m)
Direction
Period (s)
0.1
E
17
0.2
ESE
16
0.3
NNE
4
0.2
NNE
4
0.2
ESE
14
0.4
ENE
9
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.1
SE
14
0.2
ENE
6
0.2
ENE
8
0.1
SE
13
0.1
E
8
0.1
SE
12
0.1
SE
12
0.1
SE
17
0.2
SSE
15
0.1
E
11
0.7
ENE
7
Energy kJ
5
25
3
1
21
26
18
18
19
7
4
6
7
1
6
6
11
22
2
48
Wind waves
Height (m)
Direction
Period (s)
0.7
N
3
0.6
N
4
0.6
S
4
0.5
S
4
0.5
NE
4
1
NE
5
0.6
NNW
4
0.4
WNW
3
0.8
S
5
1
S
6
1.4
SSE
7
2.1
SSE
7
Energy kJ
11
10
9
6
9
53
8
4
31
66
168
462
Nearest Offshore or Glassy
Rating
(10 max)
1
4
3
4
3
2
2
4
3
2
3
3
2
2
1
1
2
1
1
1
1
Distance (km)
10
0
36
0
1
12
12
0
12
12
1
0
0
0
36
1
0
7
12
12
12
Best forecast wave conditions in Florianópolis
Rating
(10 max)
4
4
3
4
3
2
2
4
3
2
3
3
2
2
1
1
2
1
3
3
2
Best forecast wave conditions in Brazil
Rating
(10 max)
4
5
4
5
4
2
2
4
3
2
3
3
4
3
3
2
2
2
3
3
2
Header Global
Rating
(10 max)
8
9
8
9
4
8
5
4
5
5
5
5
4
4
5
4
4
4
4
5
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 Ponta Das Aranhas Surf forecast

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

Ponta Das Aranhas is 18 km (11 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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