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Surf Forecasts:

Lopes Mendes (Ilha Grande) surf break

Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 8 am Thursday 08 Jan 2026 -03
Forecast update in hr  min  s Forecast update imminent
Lopes Mendes (Ilha Grande) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lopes Mendes (Ilha Grande) sea temperature is
27.4° C
 (Which is 2.0°C warmer than normal for this time of year)

How big are the waves at Lopes Mendes (Ilha Grande) today?

The current surf forecast for Lopes Mendes (Ilha Grande) at 10AM is: 0.8m 6s primary swell from a East-southeast direction and 0.4m 8s secondary swell from a South-southwest direction (forecast issued at 08:00am January 08). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (08 Jan)2.5ft (0.8m)6s
Afternoon (08 Jan)2.5ft (0.7m)6s
Evening (08 Jan)1.5ft (0.4m)9s

Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
08
Friday
09
Saturday
10
Sun
11
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
1
1
0
0
1
0
0
1
0
0
0
0
0
0
1
1
0
1
0
0
0
1
1
1
Wave Height (m) & direction (?)
0.8
ESE
0.8
ESE
0.4
SSW
0.7
ESE
0.8
ESE
0.4
SSW
0.3
S
0.8
ESE
0.3
S
0.3
S
0.3
S
0.3
S
0.3
S
0.3
S
1.1
ESE
1.2
ESE
0.4
S
0.5
S
0.6
S
0.8
S
0.8
S
0.8
S
0.8
S
0.8
S
Period(s) (?)66866996988888771312121211111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)50512339482515481512121211111141475375103174163154151149
Wind
(km/h)
5
N
5
NNE
10
ESE
15
SE
5
SSE
0
NNW
5
NNW
5
NW
5
NE
5
ENE
15
SE
10
SE
5
S
0
ESE
5
WNW
10
NNW
15
NE
10
E
20
ESE
20
ESE
15
E
10
NE
10
NNW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		glasscross-
off		crossglassglasscross-
off		glassglassglasscrosscrossglassglassglasscross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		off
High Tide
/ height (m)
5:30AM
0.91
5:16PM
1.02
6:03AM
0.87
6:01PM
0.94
6:41AM
0.82
6:57PM
0.84
Low Tide
/ height (m)
12:21PM
0.48
12:51AM
0.27
1:02PM
0.48
1:36AM
0.37
1:55PM
0.48
2:35AM
0.47
Thursday
08
Friday
09
Saturday
10
Sun
11
Sunrise5:18-------5:18-------5:18-------
Sunset----6:46-------6:46-------6:46---
part cloud
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
thunderstorm
part cloud
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
Rain (mm)
-------------1----------
Temp. °C252628282726262525272726262625242427282727262726
Feels °C (?)272829293130292827302829313029272529282828283028
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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View detailed surf forecast for Lopes Mendes (Ilha Grande) at:
surf-forecast.com

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