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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 2 am Thursday 20 Nov 2025 -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
22.4° C
 (Which is 1.0°C colder than average 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 7AM is: 1.0m 11s primary swell from a South direction and 1.0m 7s secondary swell from a South direction (forecast issued at 02:00am November 20). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (20 Nov)5ft (1.5m)10s
Afternoon (20 Nov)5.5ft (1.7m)10s
Evening (20 Nov)7ft (2.2m)16s

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
20
Friday
21
Saturday
22
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
1
2
2
3
3
3
4
4
4
4
3
2
2
3
3
3
2
2
0
0
2
0
Wave Height (m) & direction (?)
0.9
S
0.9
S
1
S
1.5
S
1.6
S
1.7
S
1.3
S
2.2
S
2.3
S
2.4
S
2.4
S
2.2
S
1.9
S
1.7
S
1.6
S
1.4
S
1.3
S
1.2
S
1.1
S
1.1
S
1
S
1
S
0.9
S
0.8
S
Period(s) (?)101011101010171616151414131313121212121212121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)158177223443484529992249625242441231018071247956822593513446359344280280216160
Wind
(km/h)
15
WSW
15
W
10
SW
10
S
10
SSE
15
SE
15
E
20
E
20
ENE
20
NE
20
NE
15
E
25
ESE
25
E
20
ENE
10
ENE
5
N
5
NNW
5
NE
5
SE
20
SW
20
SW
5
SE
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		oncross-
on		cross-
on		crosscross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglassoffcross-
off		ononglasson
High Tide
/ height (m)
2:07PM
1.00
2:51AM
1.11
2:34PM
1.00
3:23AM
1.08
3:03PM
0.99
Low Tide
/ height (m)
8:54AM
0.29
8:52PM
0.08
9:28AM
0.33
9:25PM
0.08
10:03AM
0.37
Thursday
20
Friday
21
Saturday
22
Sunrise--5:01-------5:01-------5:01-----
Sunset------6:21-------6:21-------6:22-
clear
part cloud
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
--11--------------------
Temp. °C212020212222212020191820212121212222222423232222
Feels °C (?)212020212221191818171519191920222424232522232524
  • 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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