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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 pm Friday 21 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
22.8° C
 (Which is slightly cooler than normal)

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

The current surf forecast for Lopes Mendes (Ilha Grande) at 8PM is: 1.5m 12s primary swell from a South direction and 1.0m 5s secondary swell from a East-southeast direction (forecast issued at 02:00pm November 21). The wind direction is predicted to be offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (21 Nov)--
Afternoon (21 Nov)6ft (1.8m)13s
Evening (21 Nov)5ft (1.5m)12s

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
Friday
21
Saturday
22
Sunday
23
Monday
24
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
3
3
2
3
3
2
2
2
0
0
2
1
1
1
0
0
0
0
0
0
1
2
2
2
Wave Height (m) & direction (?)
2.1
S
1.8
S
1.6
S
1.5
S
1.4
S
1.2
S
1.1
S
1.1
S
1
S
1
S
0.9
S
0.8
S
0.8
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.7
S
0.8
S
0.9
S
1.1
S
1.3
S
1.5
S
Period(s) (?)131313121212121212121211111111111010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15071070822679593446359344280280216160157119116112108102100133164245332414
Wind
(km/h)
20
ESE
20
E
20
ENE
10
NE
5
NNW
10
NNE
5
NNE
5
SE
25
S
15
SW
5
WSW
10
SW
10
W
10
W
10
WSW
5
WNW
15
SSW
20
SW
20
W
10
NW
0
SW
5
NE
5
NE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		glasscross-
on		onglassoncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		crossglassglassglasscross-
off
High Tide
/ height (m)
2:34PM
1.00
3:23AM
1.08
3:03PM
0.99
3:56AM
1.04
3:36PM
0.98
4:34AM
1.00
Low Tide
/ height (m)
9:28AM
0.33
9:25PM
0.08
10:03AM
0.37
10:03PM
0.11
10:43AM
0.42
10:47PM
0.15
Friday
21
Saturday
22
Sunday
23
Monday
24
Sunrise------5:01-------5:01-------5:01-
Sunset--6:21-------6:22-------6:22-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
part cloud
clear
clear
thunderstorm
mod rain
light rain
cloud
cloud
cloud
cloud
Rain (mm)
-----------------182----
Temp. °C212221212122222524232222222121222323212121212122
Feels °C (?)192120222223232622232424242322242423212224242424
  • 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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