Ponta Das Aranhas surfForecast / Santa Catarina – Florianópolis / Brazil

information circle16 Day Weather and Surf, issued 2 am 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 3PM. The primary swell is predicted to be 2.2m and 14s period with a secondary swell of 0.2m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Ponta Das Aranhas in the next 16 days are 3.0m 15s and forecast to arrive on Thursday (May 21) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Tuesday (May 26) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Fri 22nd May)7ft (2.2m) 14s
Best Surf 3PM (Fri 22nd May)7ft (2.2m) 14s
Most Powerful 3AM (Thu 21st May)10ft (3.0m) 15s

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

Moderate rain (total 12mm), heaviest on Fri night. Very mild (max 17°C on Wed morning, min 13°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 37mm), heaviest during Sat night. Warm (max 20°C on Mon morning, min 14°C on Sat morning). Wind will be generally light.

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
2
2
1
3
3
4
4
2
1
0
0
0
2
2
2
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)
1.4
S
13
1.5
S
13
2.3
SSE
15
3
SSE
15
2.5
S
14
2.5
SSE
14
2.3
SSE
14
2.2
SSE
14
1.9
SSE
13
1.7
SSE
12
1.4
SSE
12
1.2
S
12
1.1
S
11
1
S
11
0.9
S
10
0.8
S
10
0.6
SSE
17
1.4
SSE
15
1.2
SSE
13
0.9
SSE
12
0.8
SSE
12
Wave Graph
Metric surfscale
Energy kJ
653
775
2306
3197
2733
2244
2056
1791
1192
920
569
390
286
233
161
122
200
856
461
258
176
Wind (km/h)
10
SSW
15
SE
15
SSW
20
SSW
15
SSE
15
SSW
10
S
5
SSE
15
SW
10
SW
20
SSW
25
SE
15
SE
15
ESE
5
SSW
5
WSW
10
NE
5
NW
10
NW
10
N
10
NNW
cross
on
cross-on
cross-on
cross-on
cross
cross-on
glassy
cross-off
cross
cross
on
on
on
glassy
glassy
cross-off
off
off
cross-off
cross-off
High Tide
5:22PM0.69m
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
Low Tide
10:56AM0.15m
7:35PM0.65m
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
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
heavy rain
light rain
mod rain
heavy rain
rain showers
rain showers
rain showers
clear
rain showers
part cloud
rain showers
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:50
6:50
6:50
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:30
5:30
5:29
5:29
5:28
5:28
5:28
1
11
3
6
15
8
2
2
1
2
1
Temp °C
17
17
16
16
16
15
16
17
15
14
15
18
18
19
19
20
20
20
19
20
20
17
15
13
12
12
12
15
17
15
12
13
16
17
18
20
21
20
21
20
21
21
Swell 1
Height (m)
Direction
Period (s)
1.4
S
13
1.5
S
13
2.3
SSE
15
3
SSE
15
2.5
S
14
2.5
SSE
14
2.3
SSE
14
2.2
SSE
14
1.9
SSE
13
1.7
SSE
12
1.4
SSE
12
1.2
S
12
1.1
S
11
1.2
E
6
1.2
E
6
1
E
6
1.1
ENE
7
1.4
SSE
15
1.2
SSE
13
1.1
ENE
7
1.1
ENE
7
Energy kJ
653
775
2306
3197
2733
2244
2056
1791
1192
920
569
390
286
123
99
78
114
856
461
120
127
Swell 2
Height (m)
Direction
Period (s)
0.4
E
6
0.4
ENE
7
0.3
ENE
7
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
9
0.5
E
6
1.2
ENE
7
1
S
11
0.9
S
10
0.8
S
10
0.7
S
10
1.1
ENE
6
1
ENE
6
0.9
SSE
12
0.8
SSE
12
Energy kJ
11
15
9
5
5
6
6
15
143
233
161
122
92
104
85
258
176
Swell 3
Height (m)
Direction
Period (s)
0.1
E
8
0.3
ENE
7
0.2
SSE
19
0.6
SSE
17
0.1
E
13
0.1
E
13
0.1
E
12
0.1
E
12
Energy kJ
1
9
35
200
3
3
3
3
Wind waves
Height (m)
Direction
Period (s)
0.9
SE
6
0.7
S
4
1.8
E
7
1.4
E
7
0.5
N
3
Energy kJ
50
13
297
184
5
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
4
4
4
3
1
1
2
2
2
2
2
3
3
2
2
Distance (km)
12
12
10
12
12
10
11
0
0
1
7
12
12
12
0
0
0
0
0
0
0
Best forecast wave conditions in Florianópolis
Rating
(10 max)
2
3
4
4
1
4
4
4
4
3
2
2
2
2
2
2
2
3
3
2
2
Best forecast wave conditions in Brazil
Rating
(10 max)
2
4
4
4
5
4
4
4
4
3
4
4
3
2
3
3
2
4
4
4
3
Header Global
Rating
(10 max)
4
4
5
4
5
5
7
6
5
5
8
5
5
5
4
4
4
4
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 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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