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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 Wednesday 18 Mar 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
26.2° C
 (Which is 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 6PM is: 1.2m 10s primary swell from a South-southeast direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm March 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (18 Mar)--
Afternoon (18 Mar)4ft (1.2m)10s
Evening (18 Mar)4ft (1.2m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
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)
1
1
2
2
2
2
2
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
Wave Height (m) & direction (?)
1.2
SSE
1.2
SSE
1.2
SSE
1.2
SSE
1.2
SSE
1
SSE
1
SSE
1
SSE
1
SSE
1
SSE
1
SSE
1
SE
0.9
SSE
0.9
SSE
0.9
SSE
0.9
SSE
0.9
SSE
0.9
SE
1
SE
1
SE
0.9
SE
0.9
SE
0.9
SE
0.9
SE
Period(s) (?)101010101010999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)256251251251241188176176176158172159138138138138135112152152129126123129
Wind
(km/h)
10
SE
15
SE
15
E
10
E
10
ENE
10
ENE
10
NE
10
E
10
ESE
5
SE
10
NE
10
ENE
10
NE
5
NNE
5
NNW
5
WSW
10
SSE
15
SSE
10
SE
10
E
10
ENE
5
ENE
5
NE
5
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		offoffoffcross-
off		cross-
off		glassoffoffoffglassglassglasscross-
on		crosscrosscross-
off		offglassglassglass
High Tide
/ height (m)
2:21PM
1.23
2:59AM
1.17
2:51PM
1.26
3:19AM
1.13
3:23PM
1.26
3:41AM
1.07
Low Tide
/ height (m)
9:12PM
-0.09
9:26AM
0.15
9:50PM
-0.03
9:59AM
0.14
10:29PM
0.07
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise------5:58-------5:58--------6:00
Sunset--6:08-------6:07-------6:07-----
clear
part cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C242424242423232424242424242323242425252424242324
Feels °C (?)262626262625252627282727272626272627272526272627
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lopes Mendes (Ilha Grande) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

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

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