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

48hr Weather and Surf, issued 8 pm Sunday 07 Sep 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 20.3° C
(Which is slightly warmer than usual)

How big are the waves at Barra do Una today?

The current surf forecast for Barra do Una at 11PM is: 0.5m 9s primary swell from a South direction and 0.3m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm September 07). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & Date	Wave Height	Wave Period
Morning (07 Sep)	-	-
Afternoon (07 Sep)	-	-
Evening (07 Sep)	1.5ft (0.5m)	9s

Table - waves today at Barra do Una. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Sun 07		Monday 08								Tuesday 09								Wednesday 10
	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	0	0	0	1	1	1	1	0	1	1	2	2	2	0	0	0	2	1	2	1	1	0	1	2
Swell Height Map See all maps
Wave Height (m) & direction (?)	ESE	S	S	ESE	ESE	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SSE	SSE
Period(s) (?)	6	9	9	6	6	6	6	6	6	7	8	8	8	8	9	8	8	8	8	8	8	8	11	12
Wave Graph (?)
Energy (?)	157	60	57	157	158	151	144	175	201	241	305	921	366	328	256	229	221	195	209	205	215	185	252	643
Wind (km/h)	E	E	E	ENE	ENE	ENE	E	ENE	ENE	ENE	NE	SW	WNW	SW	SW	SSW	ENE	N	SW	S	SE	ESE	SE	ESE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	off	on	glass	cross- on	on	on	glass	cross- off	glass	on	cross	cross	cross	cross
High Tide / height (m)				2:41AM 1.49					3:18PM 1.42				3:15AM 1.51				3:47PM 1.34				3:51AM 1.47
Low Tide / height (m)			9:04PM 0.26				9:18AM -0.07				9:22PM 0.27				9:44AM 0.03				9:31PM 0.28				10:02AM 0.18

	Sun 07		Monday 08								Tuesday 09								Wednesday 10
Sunrise	-	-	-	-	-	6:11	-	-	-	-	-	-	-	6:11	-	-	-	-	-	-	-	6:09	-	-
Sunset	-	-	-	-	-	-	-	5:59	-	-	-	-	-	-	-	5:59	-	-	-	-	-	-	-	5:59

Rain (mm)	1	1	-	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	18	18	18	18	18	19	20	20	19	19	19	19	20	20	24	26	20	20	20	19	18	19	20	20
Feels °C (?)	17	17	17	18	18	20	20	20	18	19	21	21	22	18	22	26	22	20	21	20	18	19	20	19

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). 1.4m 6s windswell from the ESE with a 0.8m 9s swell from the S and a 0.3m 12s groundswell from the SE. 3 swells combining to make bigger set waves.
59 minutes ago Barra do Una

Expand

View all

FREE! Surf-Forecast.com widget for your website

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.