Ponta Das Aranhas surfForecast / Santa Catarina – Florianópolis / Brazil

information circle16 Day Weather and Surf, issued 8 pm Wednesday 20 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
20.9° C
(Which is slightly cooler than normal)

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 Friday (May 22) at 3AM. The primary swell is predicted to be 2.4m and 14s period with a secondary swell of 0.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ponta Das Aranhas in the next 16 days are 3.0m 14s and forecast to arrive on Thursday (May 21) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Sunday (May 24) at 12PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 22nd May)8ft (2.4m) 14s
Best Surf 3AM (Fri 22nd May)8ft (2.4m) 14s
Most Powerful 3PM (Thu 21st May)10ft (3.0m) 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

Heavy rain (total 21mm), heaviest during Fri night. Very mild (max 17°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Warm (max 21°C on Tue afternoon, min 16°C on Sat night). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wed
27
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
3
2
4
3
3
3
4
3
2
2
2
0
1
2
2
3
2
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.3
SSE
15
3
SSE
15
3
SSE
14
2.5
SSE
14
2.3
SSE
14
2.2
SSE
14
1.8
SSE
13
1.6
S
12
1.3
S
12
1.8
E
8
1.2
SSE
11
1.5
S
11
1.9
SSE
7
0.8
S
10
0.7
S
10
1.1
SSE
14
1.1
SSE
12
0.9
SSE
12
0.8
S
11
0.7
S
10
0.6
S
10
Wave Graph
Metric surfscale
Energy kJ
2276
3197
3394
2212
2056
1791
1144
799
472
390
343
505
352
122
90
439
379
228
149
104
73
Wind (km/h)
10
SSW
15
SSW
20
SSE
10
SSW
10
SSW
10
SE
10
SW
5
SSW
10
SSW
10
SSW
15
SSW
15
S
10
SSW
5
WSW
10
NNE
10
NNW
20
NNW
20
NNW
15
S
25
S
15
SSE
cross
cross-on
cross-on
cross
cross-on
on
cross-off
glassy
cross-on
cross
cross
cross-on
cross-on
glassy
cross-off
cross-off
off
cross-off
cross-on
cross-on
cross-on
High Tide
9:56PM0.68m
3:41AM0.65m
6:46PM0.61m
4:25AM0.64m
11:40PM0.69m
5:32AM0.62m
11:59PM0.66m
7:14AM0.60m
11:45PM0.63m
9:23AM0.62m
11:17PM0.64m
10:48AM0.68m
11:28PM0.67m
11:42AM0.74m
Low Tide
1:17AM0.60m
12:21PM0.19m
7:06PM0.61m
1:41PM0.22m
3:16AM0.59m
2:53PM0.24m
4:01AM0.53m
3:55PM0.25m
4:39AM0.46m
4:48PM0.26m
5:14AM0.37m
5:34PM0.27m
5:47AM0.29m
clear
clear
clear
part cloud
part cloud
cloud
heavy rain
light rain
mod rain
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
rain showers
thunderstorm
rain showers
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
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
5:29
5:29
5:28
5:28
5:28
5:27
14
1
6
2
4
1
2
Temp °C
16
15
16
15
16
17
14
15
15
17
18
19
18
20
20
20
19
21
19
20
20
13
11
12
12
15
16
13
15
14
16
17
18
17
21
20
21
19
20
18
18
18
Swell 1
Height (m)
Direction
Period (s)
2.3
SSE
15
3
SSE
15
3
SSE
14
2.5
SSE
14
2.3
SSE
14
2.2
SSE
14
1.8
SSE
13
1.6
S
12
1.3
S
12
1.8
E
8
1.4
ENE
8
1
ENE
7
0.7
ENE
7
0.8
S
10
0.7
S
10
1.1
SSE
14
1.1
SSE
12
0.9
SSE
12
0.8
S
11
0.7
S
10
0.6
S
10
Energy kJ
2276
3197
2857
2212
2056
1791
1144
799
472
367
204
114
49
122
90
439
379
228
149
104
73
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
7
0.2
E
8
0.2
E
8
0.2
E
9
0.2
E
9
0.9
ESE
6
1.3
ESE
6
1.2
S
12
1.2
SSE
11
1.1
ENE
7
0.9
ENE
7
0.7
E
6
0.7
E
6
0.8
ESE
6
0.6
E
6
0.5
ESE
6
0.6
E
6
0.5
E
6
0.5
E
6
Energy kJ
9
5
5
6
6
51
125
390
343
121
66
39
38
46
23
18
26
19
21
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.7
SSE
6
0.2
SSE
14
0.5
SSE
12
0.6
S
9
0.1
E
13
0.2
E
7
0.1
SE
15
0.1
E
12
0.1
E
11
Energy kJ
1
28
18
86
61
3
4
9
3
2
Wind waves
Height (m)
Direction
Period (s)
3
S
14
1.3
E
6
1.6
E
7
0.6
SSW
4
0.5
SW
3
1.5
S
11
1.9
SSE
7
1.1
SSE
6
0.7
SSE
6
0.4
NNE
3
Energy kJ
3394
106
220
10
5
505
352
90
29
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
4
3
2
2
3
1
1
2
2
3
2
1
1
1
1
Distance (km)
10
10
12
10
10
12
0
0
7
7
1
7
7
0
0
0
0
36
12
20
100
Best forecast wave conditions in Florianópolis
Rating
(10 max)
4
4
1
4
4
4
4
3
2
2
3
2
3
2
2
3
2
2
1
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
5
4
4
4
4
4
2
2
3
2
3
2
2
3
2
3
1
1
2
Header Global
Rating
(10 max)
5
5
5
4
7
6
6
7
8
7
5
5
4
4
4
5
5
5
5
5
5
  • 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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