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 2 pm Tuesday 16 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 20.2° C
(Which is normal for this time of year)

How big are the waves at Barra do Una today?

The current surf forecast for Barra do Una at 8PM is: 1.3m 13s primary swell from a Southeast direction and 0.8m 7s secondary swell from a East direction (forecast issued at 02:00pm September 16). The wind direction is predicted to be glassy and the swell rating is 3.

Time (-03) & Date	Wave Height	Wave Period
Morning (16 Sep)	-	-
Afternoon (16 Sep)	4.5ft (1.4m)	13s
Evening (16 Sep)	4.5ft (1.3m)	13s

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

	Tuesday 16				Wednesday 17								Thursday 18								Friday 19
	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	6 PM	9 PM	0 AM	3 AM	6 AM	9 AM
Rating (10 max)	1	1	2	3	2	2	2	1	1	1	2	2	2	2	2	2	1	2	2	2	2	2	1	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE
Period(s) (?)	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	11	10	10	10	10	10	11	8	11
Wave Graph (?)
kJ (?)	694	694	637	628	628	618	609	545	537	529	520	504	416	403	478	406	337	296	302	276	244	165	100	134
Wind (km/h)	SW	SSW	SSE	W	SW	WSW	WSW	SW	SSW	S	SSW	W	W	WNW	NW	W	ESE	E	ENE	ENE	ENE	N	WSW	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	cross- on	glass	cross- on	cross- on	cross- on	on	on	on	on	cross	glass	glass	cross- off	glass	cross	cross- off	cross- off	cross- off	glass	glass	glass	on
High Tide / height (m)		1:45PM 1.08			11:31PM 0.81					1:30PM 1.14				12:19AM 0.99				1:30PM 1.21				12:52AM 1.16
Low Tide / height (m)				6:57PM 0.61				6:29AM 0.26				7:17PM 0.52				7:05AM 0.15				7:35PM 0.45				7:34AM 0.07

	Tuesday 16				Wednesday 17								Thursday 18								Friday 19
Sunrise	-	-	-	-	-	-	-	6:03	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01
Sunset	-	-	6:00	-	-	-	-	-	-	-	6:01	-	-	-	-	-	-	-	6:01	-	-	-	-	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	20	21	20	19	19	18	18	20	21	20	19	18	18	17	17	19	21	21	19	18	19	19	18	20
Feels °C (?)	20	21	22	21	21	19	19	21	21	20	20	19	19	18	18	21	21	21	19	19	22	22	20	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). A 1.7m groundswell from the SE
33 minutes ago Barra do Una

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