Ponta Das Aranhas Surf Forecast

/ Santa Catarina – Florianópolis (24 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (27.48° S 48.38° W)

Surf Forecasts:

Ponta Das Aranhas surfForecast / Santa Catarina – Florianópolis / Brazil

12 Day Weather and Surf, issued 8 am Monday 15 Sep 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 18.5° 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 Monday (Sep 15) at 9PM. The primary swell is predicted to be 1.9m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ponta Das Aranhas in the next 12 days are 2.0m 14s and forecast to arrive on Monday (Sep 15) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Tuesday (Sep 16) at 6AM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	9PM (Mon 15th Sep)	6ft (1.9m) 14s
Best Surf	9PM (Mon 15th Sep)	6ft (1.9m) 14s
Most Powerful	3PM (Mon 15th Sep)	6.5ft (2.0m) 14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 5mm), mostly falling on Mon night. Warm (max 21°C on Tue morning, min 17°C on Mon morning). Wind will be generally light.									Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Fri night. Warm (max 24°C on Sat morning, min 18°C on Thu night). Wind will be generally light.
	Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night
Rating (10 max)	3	3	4	4	3	3	1	1	3	3	1	2	3	2	2	2	2	2	1	2	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	ESE	ESE	SE	SE	ESE	SE	ESE	E	SE	SE	E	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
Period(s) (?)	14	14	13	13	13	13	13	10	9	12	12	8	9	10	10	9	9	9	9	9	9
Wave Graph (?)
Energy (?)	1451	1487	1426	1173	1191	1003	932	666	782	573	487	404	534	883	696	432	361	380	339	388	328
Wind (km/h)	N	NNE	NW	NNW	ENE	SSW	S	ESE	S	ENE	NNE	NNW	NNW	NNE	N	NNW	NE	N	N	NNE	S
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	glass	cross- off	cross	cross- on	cross- on	cross- on	glass	glass	cross- off	cross- off	off	cross- off	cross- off	off	glass	cross- off	cross- off	cross- off	cross- on
High Tide / height (m)		12:44PM 0.78	12:19AM 0.42		1:05PM 0.81	11:38PM 0.51		1:15PM 0.82	11:43PM 0.63		1:17PM 0.83	12:09AM 0.74		1:23PM 0.84	12:39AM 0.83		1:36PM 0.84	1:10AM 0.89		1:53PM 0.84	1:40AM 0.92
Low Tide / height (m)			9:53PM 0.39	4:52AM 0.23		6:52PM 0.43	5:46AM 0.14		6:55PM 0.40	6:27AM 0.07		7:11PM 0.36	7:01AM 0.03		7:28PM 0.33	7:31AM 0.01		7:44PM 0.29	7:57AM 0.03		7:58PM 0.25

	Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21
Sunrise	6:11	-	-	6:09	-	-	6:09	-	-	6:07	-	-	6:07	-	-	6:05	-	-	6:03	-	-
Sunset	-	6:06	-	-	6:06	-	-	6:07	-	-	6:07	-	-	6:07	-	-	6:07	-	-	6:07	-

Rain (mm)	-	-	5	-	-	-	-	-	-	-	-	-	-	-	1	-	1	1	-	-	6
Temp. °C	18	19	19	21	21	18	20	20	19	20	20	18	21	22	23	24	22	21	22	22	21
Feels °C (?)	16	17	19	21	21	18	21	20	19	19	18	18	20	21	22	25	24	24	21	22	21

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Santa Catarina - Florianópolis

Wind Update The wind is still cross-off at Ponta Das Aranhas (moderate winds from the NNW at Florianopolis Airport 25 km from Ponta Das Aranhas). A 2.1m groundswell from the ESE
2 hours 36 minutes ago Ponta Das Aranhas

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25 km away, 2 h 36 min ago

26 km/h

NNW

0.0

18.5

Air / Water (°C)

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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.