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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 pm Friday 09 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
27.3° C
 (Which is 1.9°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 12AM is: 1.3m 7s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a South direction (forecast issued at 08:00pm January 09). An open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (10 Jan)1.5ft (0.5m)12s
Afternoon (10 Jan)2.5ft (0.8m)12s
Evening (10 Jan)2.5ft (0.8m)11s

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
Fri
09
Saturday
10
Sunday
11
Monday
12
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
0
0
1
1
0
1
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
0
0
Wave Height (m) & direction (?)
0.3
S
0.3
S
1.3
ESE
1.3
ESE
0.4
S
0.5
S
0.7
S
0.8
S
0.7
S
0.8
S
0.8
S
0.8
S
0.7
S
0.7
S
0.6
S
0.4
S
0.4
S
0.5
S
0.6
S
0.6
S
0.6
S
0.6
S
0.6
S
0.5
S
Period(s) (?)88771312121211111111111010131312121211111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11101611765375139174125154151149110104745451731039889858357
Wind
(km/h)
5
ESE
0
SSW
5
WNW
5
NNW
10
NE
10
ENE
20
ESE
20
E
15
ENE
15
NNE
15
NNE
10
N
15
N
10
NE
15
SE
15
ESE
10
NE
5
NNW
10
N
10
N
5
N
0
N
10
SSE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassoffcross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		offcrosscross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		glasscrosscross-
off
High Tide
/ height (m)
6:01PM
0.94
6:41AM
0.82
6:57PM
0.84
7:30AM
0.77
8:28PM
0.76
8:49AM
0.72
Low Tide
/ height (m)
1:36AM
0.37
1:55PM
0.48
2:35AM
0.47
3:05PM
0.47
3:56AM
0.52
Fri
09
Saturday
10
Sunday
11
Monday
12
Sunrise----5:18-------5:20-------5:20---
Sunset6:46-------6:46-------6:46-------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C262625252527292727272726252830272728282726282928
Feels °C (?)303129282729302829282727252929293031292727302930
  • 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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