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 pm 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 (01 Aug):

  • Morning surf: Morning surf (01 Aug, local time) - 3ft (0.9m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (01 Aug, local time) - 2.5ft (0.8m), 11s period with S swell.
  • Evening surf: Evening surf (01 Aug, local time) - 5ft (1.6m), 6s period with ESE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 3AM is: 0.9m 12s primary swell from a South direction (forecast issued at 08:00pm July 31). An open ocean swell of 1.1m 5s 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 (01 Aug)3ft (0.9m)12s
Afternoon (01 Aug)2.5ft (0.8m)11s
Evening (01 Aug)5ft (1.6m)6s

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.

Fri
31
Saturday
1
Sunday
2
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
2
2
2
1
0
0
2
1
2
1
0
1
0
0
0
Wave
Height (m)
Direction
Period (s)
0.5
S
13
0.6
S
13
0.6
S
13
0.9
S
12
0.9
S
12
0.9
S
12
0.9
S
12
0.8
S
11
0.8
S
11
1.6
ESE
6
0.7
S
11
1.2
ESE
7
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
87
119
114
239
232
224
214
149
146
188
110
135
73
49
48
30
30
16
Wind (km/h)
20
E
25
ENE
20
NE
20
NE
15
NE
10
NE
20
E
25
E
25
ENE
15
NE
10
NNE
15
NNE
10
NNE
10
NE
10
E
15
ESE
10
ENE
5
NNE
Wind State
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
off
glassy
High Tide
3:58PM1.11m
3:41AM1.17m
4:25PM1.09m
4:15AM1.16m
4:54PM1.05m
Low Tide
10:30PM0.29m
10:49AM0.01m
11:05PM0.30m
11:28AM0.08m
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
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:35
 mm
Temp °C
21
20
20
18
18
19
22
22
21
21
21
21
21
22
26
25
23
23
Feels °C
19
17
18
16
17
19
20
19
19
20
20
20
20
21
25
23
23
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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