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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 Monday 12 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
27.0° C
 (Which is 1.5°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: 0.6m 11s primary swell from a South direction (forecast issued at 08:00am January 12). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (12 Jan)2ft (0.6m)11s
Afternoon (12 Jan)1.5ft (0.5m)11s
Evening (12 Jan)1.5ft (0.5m)10s

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
Monday
12
Tuesday
13
Wednesday
14
Thu
15
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Wave Height (m) & direction (?)
0.6
S
0.6
S
0.6
S
0.5
S
0.5
S
0.5
S
0.5
S
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.3
SSW
0.3
SSW
0.3
SSW
0.3
SSW
0.3
SSW
0.2
SSW
0.2
SSW
0.2
S
0.2
S
0.1
S
0.2
S
0.1
S
0.1
S
Period(s) (?)111111111010101010999999888881181515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8985835753515032312928161615151477662544
Wind
(km/h)
10
N
5
ENE
10
ESE
15
ESE
10
E
0
WNW
5
WNW
10
WSW
5
WSW
5
SSE
15
SSE
0
S
10
N
0
N
10
NNE
5
WNW
10
NE
10
E
15
SE
5
ESE
20
W
15
NW
10
NNE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		cross-
off		cross-
off		glassglassononglasscrossglasscross-
off		glasscross-
off		crossoffcross-
off		crossglasscross-
on		crosscross-
off		off
High Tide
/ height (m)
8:49AM
0.72
11:41PM
0.79
11:00AM
0.72
12:46AM
0.87
12:09PM
0.77
1:26AM
0.95
Low Tide
/ height (m)
3:56AM
0.52
4:26PM
0.43
5:29AM
0.53
5:41PM
0.35
6:41AM
0.48
6:38PM
0.26
Monday
12
Tuesday
13
Wednesday
14
Thu
15
Sunrise5:20-------5:22-------5:22-------
Sunset----6:46-------6:46-------6:46---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
clear
clear
thunderstorm
light rain
light rain
cloud
Rain (mm)
------------6111----442-
Temp. °C252831282726262525262626232524242425262524232324
Feels °C (?)252830292929292728292730242825262627272925242525
  • 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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