Barra de Guaratiba Surf Forecast

/ Rio de Janeiro (47 surf breaks) /

Brazil (447 surf breaks) / Lat Long: (23.06° S 43.57° W)

Surf Forecasts:

Barra de Guaratiba surfForecast / Rio de Janeiro / Brazil

12 Day Weather and Surf, issued 8 am Wednesday 17 Sep 2025 -03

Forecast update in hr min s Forecast update imminent

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

Today's Barra de Guaratiba sea temperature is 22.1° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Barra de Guaratiba this week:

The surf forecast for Barra de Guaratiba over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 18) at 6AM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 0.9m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Barra de Guaratiba in the next 12 days are 2.4m 11s and forecast to arrive on Tuesday (Sep 23) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 8s period and expected on Friday (Sep 19) at 9PM.

Wave Type	Time (-03) & Date	Wave Height & Period
Next good surf (1 star+)	6AM (Thu 18th Sep)	4.5ft (1.4m) 12s
Best Surf	12AM (Wed 24th Sep)	7.5ft (2.3m) 10s
Most Powerful	6PM (Tue 23rd Sep)	8ft (2.4m) 11s

Table - best surf conditions forecast for Barra de Guaratiba over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Mostly dry. Warm (max 29°C on Fri morning, min 19°C on Wed night). Wind will be generally light.									Days 3-6 Weather Summary Moderate rain (total 17mm), heaviest on Mon night. Warm (max 29°C on Sat morning, min 19°C on Mon night). Wind will be generally light.
	Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	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	1	0	0	0	0	0	0	1	0	0	0	0	0	3
Swell Height Map See all maps
Wave Height (m) & direction (?)	SE	SE	SE	SE	SSE	SSE	SSE	ESE	E	SE	SE	S	S	S	S	S	S	S	SSW	SSW	SSW
Period(s) (?)	13	12	12	11	10	11	11	8	8	10	9	13	12	11	12	11	12	12	7	9	10
Wave Graph (?)
kJ (?)	659	502	511	553	436	305	196	207	0	34	13	30	69	64	101	89	112	108	306	770	1082
Wind (km/h)	WSW	SW	WNW	NNW	SSE	NNE	NE	E	NE	NNW	SE	N	NNW	SW	NNE	W	SW	W	SW	SSW	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	cross	glass	cross	glass	off	cross- off	off	cross- off	cross	glass	cross- off	on	off	cross- on	on	cross- on	on	on	glass
High Tide / height (m)		1:44PM 1.02	12:36AM 0.87		1:57PM 1.06	1:03AM 1.00		2:07PM 1.09	1:31AM 1.11		2:20PM 1.11	2:01AM 1.18		2:38PM 1.12	2:31AM 1.22		2:58PM 1.12		3:01AM 1.23	3:19PM 1.11
Low Tide / height (m)			7:09PM 0.48	7:06AM 0.10		7:39PM 0.39	7:45AM 0.03		8:07PM 0.32	8:20AM 0.00		8:34PM 0.26	8:51AM 0.01		9:00PM 0.22	9:19AM 0.05		9:23PM 0.19	9:46AM 0.11		9:46PM 0.17

	Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
Sunrise	5:48	-	-	5:48	-	-	5:47	-	-	5:46	-	-	5:45	-	-	5:43	-	-	5:43	-	-
Sunset	-	5:47	-	-	5:49	-	-	5:49	-	-	5:49	-	-	5:49	-	-	5:50	-	-	5:50	-

Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	17	4	3	3
Temp. °C	22	21	20	23	22	21	29	28	25	29	25	24	29	24	26	29	25	21	18	19	19
Feels °C (?)	21	20	19	22	21	22	28	26	25	30	25	26	28	27	24	29	24	20	16	16	18

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 Rio de Janeiro

Wind Update The wind is still cross-on at Barra de Guaratiba (light winds from the W at Jacarepagua Airport 23 km from Barra de Guaratiba). 1.3m 13s groundswell from the SE with a 0.6m 4s local chop from the SW. 2 swells combining to make bigger set waves.
2 hours 0 minutes ago Barra de Guaratiba

Expand

View all

23 km away, 2 h 0 min ago

11 km/h

0.0

22.1

Air / Water (°C)

Please reload the page to see if there are any updates.

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 de Guaratiba 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 de Guaratiba Surf forecast

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