Lopes Mendes (Ilha Grande) Surf Break

Lat Long: 23.18° S 44.12° W

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Issued: 8 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.6°C
1.4° 

Lopes Mendes (Ilha Grande) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Lopes Mendes (Ilha Grande) today (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 6.5ft (2.0m), 6s period with ESE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 2ft (0.6m), 9s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 3PM is: 2.0m 6s primary swell from a East-southeast direction and 0.7m 9s secondary swell from a South direction, 0.1m 14s secondary swell from a South direction (forecast issued at 08:00am September 19). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (19 Sep)2.5ft (0.8m)10s
Afternoon (19 Sep)6.5ft (2.0m)6s
Evening (19 Sep)2ft (0.6m)9s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun night. Warm (max 32°C on Mon afternoon, min 20°C on Sat morning). Mainly strong winds.

Saturday
19
Sunday
20
Monday
21
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
1
0
1
0
1
1
1
0
2
2
0
0
0
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
0.9
S
10
0.8
S
10
1.6
ESE
6
2
ESE
6
2.2
ESE
7
0.6
S
9
0.5
S
9
0.4
S
12
0.4
S
12
0.4
S
12
0.5
S
12
1.6
ESE
8
1.7
ESE
8
1.6
ESE
8
0.3
S
12
0.3
S
12
0.2
S
12
0.2
S
12
0.2
S
11
0.2
S
11
0.2
S
11
0.2
S
11
Wave Graph
Metric surfscale
Energy kJ
156
121
194
300
423
60
41
49
48
47
69
333
373
341
24
24
11
11
10
10
9
9
Wind (km/h)
25
ENE
25
ENE
30
E
30
E
35
E
30
ENE
25
NE
25
NE
25
NE
20
NNE
5
ESE
10
SW
5
WNW
5
N
35
NNE
40
NNE
20
N
20
N
15
N
10
NNE
10
NNE
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
glassy
on
glassy
glassy
cross-off
off
cross-off
cross-off
cross-off
off
off
cross-off
High Tide
12:03PM0.77m
6:33PM0.66m
12:26PM0.86m
11:44PM0.73m
12:49PM0.96m
Low Tide
4:17PM0.64m
4:13AM0.39m
5:45PM0.56m
5:29AM0.30m
6:23PM0.47m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
rain showers
part cloud
light rain
light rain
cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:51
5:51
5:52
 mm
1
4
1
Temp °C
19
20
21
22
21
21
21
21
20
22
25
23
22
22
22
22
22
24
30
32
31
28
Feels °C
17
18
18
19
17
18
19
19
17
21
26
23
24
24
19
17
21
22
30
33
33
29
  • 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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

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.


Nearest locationNearest