Barre da Una Surf Forecast

/ São Paulo (84 surf breaks) /

Brazil (447 surf breaks)

Surf Forecasts:

Barre da 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

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

Today's Barre da Una sea temperature is 22.2° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Barre da Una this week:

The surf forecast for Barre da Una over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 24) at 9PM. The primary swell is predicted to be 2.1m and 7s period with a secondary swell of 0.7m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Barre da Una in the next 12 days are 2.5m 8s and forecast to arrive on Thursday (Oct 30) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 8s period and expected on Tuesday (Oct 28) at 3PM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	9PM (Fri 24th Oct)	7ft (2.1m) 7s
Best Surf	6AM (Sat 25th Oct)	7.5ft (2.3m) 8s
Most Powerful	6AM (Thu 30th Oct)	8ft (2.5m) 8s

Table - best surf conditions forecast for Barre da Una over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Mostly dry. Warm (max 29°C on Sun morning, min 17°C on Fri night). Wind will be generally light.									Days 3-6 Weather Summary Heavy rain (total 30mm), heaviest during Wed morning. Warm (max 26°C on Mon morning, min 20°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)	0	0	2	2	1	2	1	0	0	1	1	0	0	0	1	1	1	1	2	1	1
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	E	E	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SSE	SSE	SSE	SSE	SSE	SE
Period(s) (?)	12	7	8	8	9	9	9	9	9	9	10	9	9	9	10	7	7	8	8	8	8
Wave Graph (?)
kJ (?)	209	277	446	414	363	530	304	273	181	147	210	168	126	98	242	261	199	232	720	493	286
Wind (km/h)	SE	SE	NNE	SE	SE	N	SW	SSW	W	WNW	NNW	SW	WSW	S	S	SW	ESE	NW	SSW	S	SW
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross- on	cross- off	glass	cross- on	off	glass	cross- on	cross	glass	glass	cross- on	cross- on	on	on	glass	glass	glass	on	on	glass
High Tide / height (m)		3:16PM 1.05		3:59AM 1.11	3:44PM 1.01		4:35AM 1.04	4:18PM 0.96		5:19AM 0.95	5:01PM 0.89		6:19AM 0.86	6:00PM 0.81		8:12AM 11:14AM 0.81 0.82		7:33PM 0.76	11:45AM 0.93		10:12PM 0.80
Low Tide / height (m)	9:44AM 0.33		9:39PM 0.12	10:10AM 0.42		10:07PM 0.18	10:40AM 0.50		10:43PM 0.27	11:49AM 0.59		12:11AM 0.36		2:13PM 0.63	2:28AM 0.39	9:32AM 0.81	3:48PM 0.59		3:55AM 0.32	4:55PM 0.50

	Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30
Sunrise	5:22	-	-	5:22	-	-	5:20	-	-	5:20	-	-	5:20	-	-	5:18	-	-	5:18	-	-
Sunset	-	6:12	-	-	6:13	-	-	6:13	-	-	6:14	-	-	6:14	-	-	6:15	-	-	6:15	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	1	2	2	5	7	10	3	-	1	4	3
Temp. °C	24	24	18	26	25	22	29	24	21	26	23	23	21	21	20	21	21	21	22	21	20
Feels °C (?)	24	23	18	26	26	22	30	25	24	27	26	26	23	24	22	24	24	25	25	24	22

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 Barre da Una (calm at Vicente de Carvalho wx 45 km from Barre da Una). 1.8m 7s swell from the ESE with a 1.0m 8s swell, also from the ESE and a 0.5m 11s groundswell, also from the SE as well as a 0.4m 13s groundswell, also from the SE. 4 swells combining so expect closeout sets.
1 hour 21 minutes ago Barre da Una

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45 km away, 1 h 21 min ago

5 km/h

NNE

0.0

22.2

Air / Water (°C)

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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 Barre da 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 Barre da Una Surf forecast

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

Are you planning a holiday in São Paulo? If you are looking for accommodation near Barre da Una, camping, hotels and holiday cottages in São Paulo, consider staying in Biritiba Mirim which is 26 km (16 miles) away. Other places in and around São Paulo where you can find information about places to rent, and car hire include Bertioga which is 27 km (17 miles) away, Mogi das Cruzes, Guararema and Moji das Cruzes.