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 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.5° C
1.5° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 3.5ft (1.0m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 3ft (0.9m), 11s period with S swell.
  • Evening surf: Evening surf (05 Aug, local time) - 2.5ft (0.8m), 11s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 10AM is: 1.0m 12s primary swell from a South direction (forecast issued at 02:00am August 05). An open ocean swell of 1.0m 7s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (05 Aug)3.5ft (1.0m)12s
Afternoon (05 Aug)3ft (0.9m)11s
Evening (05 Aug)2.5ft (0.8m)11s

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


Short Range Forecast

Mostly dry. Warm (max 34°C on Fri morning, min 21°C on Fri night). Wind will be generally light.

Wednesday
5
Thursday
6
Friday
7
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)
2
2
2
2
2
1
1
1
1
0
1
1
1
0
1
1
1
0
0
0
1
0
0
0
Wave
Height (m)
Direction
Period (s)
0.8
S
12
0.9
S
12
0.9
S
12
1
S
12
1
S
11
0.9
S
11
0.9
S
11
0.8
S
11
0.8
S
11
0.7
S
10
0.7
S
10
0.7
S
10
0.6
S
10
0.6
S
10
0.5
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
0.4
S
11
Wave Graph
Metric surfscale
Energy kJ
190
225
225
268
242
189
189
146
141
102
98
96
71
70
47
41
59
57
50
71
68
42
37
35
Wind (km/h)
10
N
10
NNE
15
NNE
10
NNE
5
E
15
SE
10
NE
5
NNE
10
N
5
WNW
15
NNE
10
NNE
5
E
5
SSE
5
NNE
10
NNW
15
NNE
15
N
20
NNE
20
NNE
10
N
20
WSW
10
NW
10
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross
cross-off
cross-off
glassy
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross-on
High Tide
6:24AM0.95m
6:44PM0.81m
7:35AM0.85m
7:42PM0.71m
12:16PM0.86m
Low Tide
1:24AM0.38m
2:13PM0.40m
2:35AM0.40m
3:43PM0.48m
4:00AM0.37m
5:22PM0.49m
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:36
5:36
5:37
 mm
Temp °C
24
23
24
25
28
29
25
25
25
24
24
26
28
28
24
26
26
26
26
28
34
34
27
24
Feels °C
23
21
22
23
27
27
26
25
24
24
22
24
27
27
25
25
24
23
23
24
31
31
26
25
  • 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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