Barra de Guaratiba surfForecast / Rio de Janeiro / Brazil

information circle12 Day Weather and Surf, issued 2 am Saturday 02 Aug 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
21.4° C
(Which is normal for this time of year)


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 Saturday (Aug 02) at 6AM. The primary swell is predicted to be 1.4m and 11s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Barra de Guaratiba in the next 12 days are 1.9m 16s and forecast to arrive on Thursday (Aug 07) at 12AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 7s period and expected on Monday (Aug 04) at 3AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sat 2nd Aug)4.5ft (1.4m) 11s
Best Surf12AM (Thu 7th Aug)6ft (1.9m) 16s
Most Powerful12AM (Thu 7th Aug)6ft (1.9m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 28°C on Sun afternoon, min 18°C on Sat morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Thu afternoon. Warm (max 24°C on Thu morning, min 18°C on Wed night). Wind will be generally light.

Saturday
02
Sunday
03
Monday
04
Tuesday
05
Wednesday
06
Thursday
07
Friday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSE
1.1
SSE
0.9
SSE
0.5
SSE
0.6
SSE
0.4
SSE
0.4
SE
0.4
SE
0.2
SSE
0.4
SE
0.5
SE
0.8
SSW
1
SSW
1.3
SSW
1.9
S
1.9
S
1.7
S
1.5
S
1.4
S
1.5
S
1.4
S
Period(s) (?)11101010999914121212111116141313121211
Wave
Graph
(?)Metric surfscale
Energy (?)37224915186633434222650147267310567175414311002743589669506
Wind
(km/h)
15
NNE
20
E
10
NE
15
NNE
15
ENE
10
NNE
20
N
10
E
10
NNW
20
SW
25
SW
5
SW
10
W
15
SW
5
NNE
10
NNE
15
S
5
W
0
E
10
SSE
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offcross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
onononcross-
on
onoffcross-
off
cross-
on
glassglasscross-
on
glass
High Tide
/ height (m)
8:15PM
0.73
11:44AM
0.80
10:50PM
0.71
12:51PM
0.89
12:16AM
0.78
1:32PM
0.98
1:01AM
0.86
2:07PM
1.07
1:36AM
0.95
2:37PM
1.13
2:06AM
1.04
3:06PM
1.17
2:36AM
1.12
Low Tide
/ height (m)
3:35PM
0.56
4:04AM
0.42
5:25PM
0.56
5:32AM
0.36
6:42PM
0.50
6:36AM
0.26
7:30PM
0.43
7:26AM
0.16
8:08PM
0.36
8:08AM
0.06
8:43PM
0.32
8:48AM
-0.02
9:17PM
0.29
Saturday
02
Sunday
03
Monday
04
Tuesday
05
Wednesday
06
Thursday
07
Friday
08
Sunrise6:28--6:26--6:26--6:26--6:24--6:24--6:24--
Sunset-5:32--5:32--5:32--5:34--5:34--5:35--5:35-
clearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudthunderstorm part cloudpart cloudpart cloudclearthunderstorm thunderstorm part cloudrain showerspart cloud
Rain (mm)
-----------2----61-1-
Temp. °C232522252825272823202021212120242119201919
Feels °C (?)222221242523242623191922212122242020212020
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Eyeball surf reportRecent Eyeball Surf Reports for Rio de Janeiro

  1. weather stationWind Update Cross-off wind 22 km from Barra de Guaratiba has become light (light winds from the NNW at Santa Cruz (Aero)). Waves should be turning clean at Barra de Guaratiba. A 1.4m groundswell from the SSE

    Barra de Guaratiba
  2. weather stationWind Update Offshore wind has become very light (light winds from the NNW at Santa Cruz (Aero) 28 km from Praia da Macumba). Surf should be turning clean at Praia da Macumba. A 1.4m groundswell from the SSE

    Praia da Macumba
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22 km away, 1 h 39 min ago

7 km/h
NNW
0.0
21.4
Air / Water (°C)
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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.

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