Barra do Una Surf Forecast

/ São Paulo (84 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (24.43° S 47.04° W)

Surf Forecasts:

Barra do Una surfForecast / São Paulo / Brazil

12 Day Weather and Surf, issued 8 am Friday 24 Oct 2025 -03

Forecast update in hr min s Forecast update imminent

Barra do Una surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Barra do Una sea temperature is 21.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Barra do Una this week:

The surf forecast for Barra do Una over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 24) at 12PM. The primary swell is predicted to be 1.4m and 8s period with a secondary swell of 0.6m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Barra do Una in the next 12 days are 2.1m 9s and forecast to arrive on Thursday (Oct 30) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	12PM (Fri 24th Oct)	4.5ft (1.4m) 8s
Best Surf	6AM (Sat 25th Oct)	7ft (2.2m) 8s
Most Powerful	6AM (Thu 30th Oct)	7ft (2.1m) 9s

Table - best surf conditions forecast for Barra do Una over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Some drizzle, heaviest during Sun night. Warm (max 24°C on Sun morning, min 17°C on Fri night). Wind will be generally light.									Days 3-6 Weather Summary Heavy rain (total 51mm), heaviest during Wed morning. Warm (max 23°C on Mon afternoon, min 19°C on Mon night). Wind will be generally light.
	Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30
	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	1	1	4	3	3	0	0	0	1	1	0	0	0	1	2	1	2	1	0	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	ESE	E	E	ESE	E	ESE	ESE	ESE	ESE	ESE	ESE	S	S	SSE	SE	SE	SE	SE	SE	ESE
Period(s) (?)	8	8	8	8	9	9	9	9	9	9	10	10	9	8	7	7	8	9	9	9	9
Wave Graph (?)
kJ (?)	397	226	377	616	493	506	273	244	157	130	151	145	258	314	192	183	427	513	586	314	343
Wind (km/h)	E	E	ENE	E	ENE	N	SW	SSW	WSW	N	WNW	SSW	S	S	SE	ENE	SW	WNW	S	S	SE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	glass	cross- off	cross- off	glass	cross- off	glass	on	on	cross- on	off	cross- off	on	on	on	cross	cross- off	on	cross	on	on	cross
High Tide / height (m)		3:24PM 1.19		4:05AM 1.26	3:54PM 1.14		4:44AM 1.17	4:31PM 1.06		5:34AM 1.06	5:20PM 0.97		6:41AM 0.97	12:58PM 0.77	6:33PM 12:21AM 0.89 0.52	8:17AM 0.94		8:11PM 0.87	10:32AM 1.02		9:55PM 0.95
Low Tide / height (m)	9:14AM 0.35		9:14PM 0.12	9:32AM 0.43		9:37PM 0.18	9:51AM 0.52		10:05PM 0.27	10:13AM 0.62		10:41PM 0.39	10:42AM 0.74	2:59PM 0.75	12:01AM 2:58AM 0.52 0.49		4:26PM 0.65		4:24AM 0.38	5:19PM 0.54

	Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30
Sunrise	5:26	-	-	5:26	-	-	5:24	-	-	5:24	-	-	5:24	-	-	5:22	-	-	5:22	-	-
Sunset	-	6:16	-	-	6:17	-	-	6:17	-	-	6:19	-	-	6:20	-	-	6:20	-	-	6:21	-

Rain (mm)	-	-	-	-	-	-	-	-	1	5	3	10	7	5	11	9	1	-	5	7	4
Temp. °C	21	21	19	22	22	19	24	23	22	21	23	20	19	19	19	20	20	19	20	20	20
Feels °C (?)	20	19	17	22	22	19	22	23	23	22	26	19	18	18	19	22	22	20	21	21	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 São Paulo

Wind Update Continuing clean conditions at Barra do Una (calm at Santos wx 89 km from Barra do Una). 1.9m 8s swell from the E with a 1.0m 8s swell from the ESE and a 0.5m 11s groundswell from the SE as well as a 0.4m 13s groundswell, also from the SE. 4 swells combining so expect closeout sets.
58 minutes ago Barra do Una

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Barra do Una surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Information about the Barra do Una Surf forecast

The above surf forecast table for Barra do Una provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Barra do Una can be found by selecting the local surf guide option on the grey menu. Our Barra do Una 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 (Barra do Una) 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 Barra do Una 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.

Barra do Una is 13 km (8 miles) from the city of Peruibe. If you plan a holiday in São Paulo, look for hotels and other accommodation in Peruibe. Peruibe has rooms for a wide range of budgets as well as car hire and transport links.