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 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.4° 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 (06 Aug):

  • Morning surf: Morning surf (06 Aug, local time) - 2.5ft (0.7m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (06 Aug, local time) - 2ft (0.6m), 10s period with S swell.
  • Evening surf: Evening surf (06 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 1PM is: 0.6m 10s primary swell from a South direction (forecast issued at 08:00am August 06). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (06 Aug)2.5ft (0.7m)10s
Afternoon (06 Aug)2ft (0.6m)10s
Evening (06 Aug)1.5ft (0.5m)9s

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


Short Range Forecast

Mostly dry. Warm (max 33°C on Fri morning, min 21°C on Fri night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
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)
1
1
1
1
1
1
1
0
0
0
1
0
0
0
0
1
1
1
0
3
4
4
Wave
Height (m)
Direction
Period (s)
0.7
S
10
0.7
S
10
0.6
S
10
0.6
S
10
0.6
S
10
0.5
S
9
0.4
SSE
13
0.4
SSE
13
0.4
SSE
12
0.5
S
12
0.5
S
12
0.4
SSE
11
0.4
S
11
0.9
SSW
11
1
S
5
0.9
S
5
1.1
S
6
1.2
S
6
0.7
S
12
1.6
S
14
2
S
16
2
S
15
Wave Graph
Metric surfscale
Energy kJ
98
96
71
70
65
43
59
57
50
71
68
42
37
196
41
37
80
113
132
1072
2079
1787
Wind (km/h)
5
WNW
10
NNE
10
E
10
ESE
10
ENE
10
N
10
N
15
NNE
15
NNE
20
NNE
10
NNE
25
SSW
10
WSW
10
SW
15
SE
15
E
20
ENE
20
NE
25
E
25
E
20
ENE
10
NE
Wind State
glassy
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
cross-on
on
cross
cross-off
off
off
cross-off
cross-off
cross-off
off
High Tide
7:35AM0.85m
7:42PM0.71m
12:16PM0.86m
10:01PM0.65m
1:14PM0.99m
Low Tide
3:43PM0.48m
4:00AM0.37m
5:22PM0.49m
10:43PM0.65m
5:23AM0.28m
6:40PM0.44m
clear
clear
cloud
clear
cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
part cloud
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:37
5:37
 mm
Temp °C
23
25
29
30
26
25
26
26
26
28
33
26
24
23
21
21
21
21
23
23
22
23
Feels °C
23
24
28
28
26
25
24
23
23
25
31
24
24
24
22
22
21
20
21
22
22
24
  • 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 

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