Ponta Das Aranhas surfForecast / Santa Catarina – Florianópolis / Brazil

information circle16 Day Weather and Surf, issued 8 pm Thursday 14 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
21.7° 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 Saturday (May 16) at 9AM. The primary swell is predicted to be 1.1m and 11s 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 13s and forecast to arrive on Thursday (May 21) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Monday (May 18) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sat 16th May)3.5ft (1.1m) 11s
Best Surf 6AM (Wed 20th May)6ft (1.8m) 14s
Most Powerful 6AM (Thu 21st May)10ft (3.0m) 13s

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

Light rain (total 6mm), mostly falling on Sat night. Warm (max 22°C on Sun afternoon, min 17°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 26mm), heaviest during Mon afternoon. Very mild (max 19°C on Sun night, min 14°C on Wed morning). Winds decreasing (fresh winds from the S on Mon morning, light winds from the WSW by Tue night).

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thu
21
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
2
0
0
1
2
2
2
1
1
0
0
0
1
0
0
3
4
2
3
2
2
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)
1.5
S
12
1.4
S
12
1.3
S
11
1.1
S
10
1.1
S
11
1.1
S
11
1
S
11
0.9
S
10
0.8
S
10
0.7
S
10
2
S
7
1.9
S
7
2.3
SSE
8
1.6
SSE
14
2.3
SSE
16
2
S
14
1.8
S
13
2.1
S
13
3
S
13
2.4
S
14
2.5
SSE
15
Wave Graph
Metric surfscale
Energy kJ
668
538
389
254
281
275
227
174
130
94
366
377
654
961
2643
1715
1155
1491
3004
2243
2593
Wind (km/h)
10
SW
20
S
15
S
10
SSW
5
SW
5
NNE
15
NNW
15
NNW
10
N
15
SSW
25
SSW
20
SSW
15
SW
25
SSW
25
S
10
SSW
10
W
15
SE
25
SSW
15
SSW
15
S
cross
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
off
cross-off
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-off
on
cross
cross
cross-on
High Tide
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
4:27PM0.77m
3:09AM0.64m
5:22PM0.69m
9:56PM0.68m
3:41AM0.65m
Low Tide
7:29AM0.16m
8:18PM0.17m
8:04AM0.13m
9:13PM0.26m
8:38AM0.11m
10:10PM0.36m
9:14AM0.10m
11:09PM0.47m
9:54AM0.12m
00:12AM0.55m
10:56AM0.15m
7:35PM0.65m
12:21PM0.19m
part cloud
part cloud
light rain
light rain
part cloud
part cloud
light rain
rain showers
clear
part cloud
mod rain
mod rain
mod rain
rain showers
clear
part cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
6:47
6:48
6:48
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:31
5:30
5:30
5:30
5:30
5:30
1
2
2
1
6
9
10
1
Temp °C
18
18
18
17
18
19
19
20
22
19
19
17
17
17
18
17
17
17
17
14
15
18
16
17
16
19
20
19
20
23
19
17
15
16
14
14
15
16
15
14
10
11
Swell 1
Height (m)
Direction
Period (s)
1.5
S
12
1.4
S
12
1.3
S
11
1.1
S
10
1.1
S
11
1.1
S
11
1
S
11
0.9
S
10
0.8
S
10
0.7
S
10
0.3
SSE
15
0.3
SSE
14
0.3
SSE
16
1.6
SSE
14
2.3
SSE
16
2
S
14
0.4
ESE
6
0.2
ENE
7
2.4
S
14
2.5
SSE
15
Energy kJ
668
538
389
254
281
275
227
174
130
94
42
36
51
961
2643
1715
12
5
2243
2593
Swell 2
Height (m)
Direction
Period (s)
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.2
ENE
8
0.2
E
8
0.2
E
8
0.4
ENE
7
0.6
E
5
0.5
E
5
0.5
NE
6
0.2
E
6
0.2
E
6
0.1
SE
14
0.1
SE
10
1
ESE
6
0.8
ESE
6
0.2
ENE
8
0.2
ESE
6
1.1
SSE
16
Energy kJ
14
14
13
6
5
4
18
19
13
16
3
3
8
4
80
42
6
4
659
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
14
0.2
ESE
14
0.1
SE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
E
8
0.1
SE
12
0.3
E
5
0.2
NNE
5
0.1
E
15
Energy kJ
18
19
7
7
7
7
6
1
6
5
3
4
Wind waves
Height (m)
Direction
Period (s)
0.9
S
4
0.3
ESE
3
0.3
N
3
0.2
NNE
2
0.7
S
4
2
S
7
1.9
S
7
2.3
SSE
8
1.7
SSE
7
1.8
S
13
2.1
S
13
3
S
13
Energy kJ
29
2
1
1
15
366
377
654
301
1155
1491
3004
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
1
2
2
2
1
1
1
1
2
3
1
1
1
4
1
1
2
1
Distance (km)
1
12
12
12
0
0
0
0
0
12
12
12
11
12
12
10
0
12
12
11
12
Best forecast wave conditions in Florianópolis
Rating
(10 max)
3
2
2
1
2
2
2
1
1
1
1
2
3
3
4
4
4
3
4
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
4
3
3
1
3
2
2
1
1
2
1
2
4
3
4
4
4
4
5
4
4
Header Global
Rating
(10 max)
5
5
5
4
4
5
5
8
5
4
6
4
4
4
5
4
5
6
9
9
8
  • 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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