Ponta Das Aranhas surfForecast / Santa Catarina – Florianópolis / Brazil

information circle12 Day Weather and Surf, issued 8 am Tuesday 18 Nov 2025 -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
21.8° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Nov 18) at 9PM. The primary swell is predicted to be 1.2m and 10s period with a secondary swell of 0.8m 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 12 days are 2.1m 16s and forecast to arrive on Thursday (Nov 20) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Nov 21) at 3PM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 18th Nov)4ft (1.2m) 10s
Best Surf 6AM (Thu 20th Nov)4.5ft (1.3m) 17s
Most Powerful 9AM (Thu 20th Nov)7ft (2.1m) 16s

Table - best surf conditions forecast for Ponta Das Aranhas over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 7mm), mostly falling on Tue morning. Warm (max 22°C on Wed morning, min 17°C on Tue morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 22°C on Fri morning, min 17°C on Sun night). Winds decreasing (fresh winds from the S on Sat afternoon, light winds from the SSW by Sun night).

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
2
1
0
1
4
3
2
1
0
0
0
0
0
0
0
0
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
S
1.3
S
1.2
S
1
S
1.7
S
1.3
SSE
2.1
SSE
2
S
1.4
S
1
S
0.8
S
0.7
S
0.7
S
1.6
S
1.6
S
1.8
SSE
1.7
SSE
1.5
SSE
1.3
SSE
1
SSE
0.8
SSE
Period(s) (?)111110968161413121212115610109888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4763892841712032352054166865329519914412713118165052832921614792
Wind
(km/h)
10
SSW
5
SSE
5
WSW
5
SSW
25
SSE
5
SSE
15
N
25
NNE
20
N
20
N
25
NNE
20
N
10
SSE
40
S
20
S
20
S
25
S
20
SSE
10
SSW
15
ENE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
glasscross-
on
oncross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
High Tide
/ height (m)
12:41PM
0.75
1:15AM
0.86
1:06PM
0.75
1:49AM
0.87
1:30PM
0.74
2:22AM
0.86
1:56PM
0.73
2:56AM
0.84
2:25PM
0.73
3:32AM
0.81
2:59PM
0.72
4:13AM
0.77
3:38PM
0.71
Low Tide
/ height (m)
6:57PM
0.14
7:34AM
0.26
7:21PM
0.11
8:04AM
0.30
7:47PM
0.08
8:34AM
0.34
8:15PM
0.08
9:05AM
0.38
8:49PM
0.10
9:42AM
0.41
9:31PM
0.13
10:37AM
0.45
10:31PM
0.17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise5:11--5:11--5:11--5:11--5:11--5:11--5:11--
Sunset-6:44--6:45--6:45--6:45--6:46--6:47--6:49-
light rain
light rain
rain showers
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
331----------3-------
Temp. °C191818222120222221222220222019191919202020
Feels °C (?)201920191818191919191919191516161515181718
  • 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 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 12 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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