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 pm 04 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 (04 Aug):

  • Afternoon surf: Afternoon surf (04 Aug, local time) - 1.5ft (0.5m), 13s period with S swell.
  • Evening surf: Evening surf (04 Aug, local time) - 2.5ft (0.7m), 12s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 5PM is: 0.6m 12s primary swell from a South direction and 0.4m 10s secondary swell from a Southeast direction, 0.8m 7s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 04). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (04 Aug)--
Afternoon (04 Aug)1.5ft (0.5m)13s
Evening (04 Aug)2.5ft (0.7m)12s

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


Short Range Forecast

Mostly dry. Warm (max 32°C on Fri morning, min 22°C on Tue afternoon). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
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
2
2
2
2
2
2
1
0
1
1
1
1
1
1
0
1
1
1
Wave
Height (m)
Direction
Period (s)
0.8
ESE
7
0.5
S
13
0.6
S
12
0.7
S
12
0.8
S
12
0.9
S
12
0.9
S
12
0.9
S
12
0.9
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
0.6
S
10
0.6
S
10
0.6
S
10
0.5
S
10
0.5
S
9
Wave Graph
Metric surfscale
Energy kJ
63
83
107
145
190
225
225
217
196
189
189
146
141
102
98
73
71
68
45
43
Wind (km/h)
10
ESE
10
ESE
10
NE
5
NNE
5
N
10
NNE
15
NNE
15
NNE
10
ENE
15
ESE
5
NE
5
N
5
NNW
10
N
10
NNE
10
NNE
10
S
10
ESE
15
NE
10
NNE
Wind State
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
off
cross-off
High Tide
6:02PM0.91m
6:24AM0.95m
6:44PM0.81m
7:35AM0.85m
7:42PM0.71m
Low Tide
1:04PM0.29m
1:24AM0.38m
2:13PM0.40m
2:35AM0.40m
3:43PM0.48m
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:36
5:36
 mm
Temp °C
24
23
22
23
23
23
23
25
29
28
24
25
25
24
24
25
25
26
26
26
Feels °C
24
22
23
24
23
21
21
22
27
26
25
26
25
23
23
23
25
25
25
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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