Lopes Mendes (Ilha Grande) Surf Break

Lat Long: 23.18° S 44.12° W

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Issued: 2 am 31 Jul 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 (31 Jul):

  • Morning surf: Morning surf (31 Jul, local time) - 2ft (0.6m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 9s period with S swell.
  • Evening surf: Evening surf (31 Jul, local time) - 2ft (0.6m), 13s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 12PM is: 0.7m 10s primary swell from a South direction and 0.6m 6s secondary swell from a South direction (forecast issued at 02:00am July 31). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (31 Jul)2ft (0.6m)9s
Afternoon (31 Jul)2.5ft (0.7m)9s
Evening (31 Jul)2ft (0.6m)13s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Sun morning, min 18°C on Fri night). Wind will be generally light.

Friday
31
Saturday
1
Sunday
2
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
1
1
1
0
0
1
1
2
1
2
0
0
0
2
1
1
1
0
1
0
0
0
Wave
Height (m)
Direction
Period (s)
0.9
SSW
10
0.7
S
10
0.7
S
10
0.6
S
9
0.7
S
10
0.7
S
9
0.5
S
13
0.6
S
13
0.6
S
13
0.9
S
12
0.6
S
12
0.9
S
12
0.8
S
12
0.8
S
11
0.8
S
11
1.6
ESE
6
0.7
S
11
0.6
S
11
0.6
S
10
0.5
S
10
0.5
S
10
0.4
S
10
0.4
S
10
0.3
S
10
Wave Graph
Metric surfscale
Energy kJ
163
92
90
61
88
87
87
119
114
239
102
221
169
149
146
225
110
79
73
49
48
30
30
17
Wind (km/h)
5
WSW
5
W
0
NW
5
SE
5
E
15
ESE
20
E
25
ENE
20
NE
20
ENE
15
NE
10
NE
20
E
25
E
25
ENE
15
NE
10
NNE
15
NNE
15
NNE
10
NE
15
ENE
20
ESE
15
ENE
10
NNE
Wind State
cross-on
cross-on
glassy
glassy
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
High Tide
3:11AM1.15m
3:58PM1.11m
3:41AM1.17m
4:25PM1.09m
4:15AM1.16m
4:54PM1.05m
Low Tide
10:12AM-0.02m
10:30PM0.29m
10:49AM0.01m
11:05PM0.30m
11:28AM0.08m
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:34
5:35
 mm
Temp °C
20
20
20
21
21
22
21
20
19
18
18
20
22
22
21
22
21
21
21
22
26
26
23
23
Feels °C
21
21
22
22
22
21
20
18
17
16
17
20
20
19
18
21
20
20
19
21
24
24
23
23
  • 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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