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 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.3° 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 (16 Aug):

  • Evening surf: Evening surf (16 Aug, local time) - 5ft (1.5m), 12s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 12AM is: 1.4m 12s primary swell from a South direction and 0.3m 12s secondary swell from a East-southeast direction, 1.7m 7s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 15). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (16 Aug)--
Afternoon (16 Aug)--
Evening (16 Aug)5ft (1.5m)12s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Tue morning, min 20°C on Sat night). Winds decreasing (fresh winds from the E on Sun afternoon, light winds from the NE by Tue afternoon).

Sat
15
Sunday
16
Monday
17
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
2
1
1
1
1
2
3
3
2
0
0
2
1
Wave
Height (m)
Direction
Period (s)
1.6
S
12
1.5
S
12
1.4
S
12
1.3
S
12
1.3
S
12
1.2
S
11
1.1
S
11
2.1
ESE
7
2.4
ESE
7
2.4
ESE
8
1.5
SE
8
1.9
ESE
8
1.7
ESE
8
1.6
ESE
8
0.8
S
10
0.7
S
11
2.1
ESE
8
0.6
S
10
Wave Graph
Metric surfscale
Energy kJ
750
649
556
472
456
369
305
419
588
623
297
406
345
308
141
112
469
78
Wind (km/h)
25
E
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
E
30
E
35
E
30
ENE
20
ENE
20
NE
20
NE
15
NE
25
E
25
E
20
ENE
15
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
High Tide
4:06PM1.04m
4:02AM1.17m
4:30PM1.00m
4:38AM1.10m
4:55PM0.96m
Low Tide
10:50PM0.31m
11:17AM0.16m
11:17PM0.31m
11:47AM0.29m
cloud
part cloud
part cloud
part cloud
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>
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
 mm
Temp °C
21
20
20
20
20
21
21
21
21
20
21
20
20
21
24
23
23
23
Feels °C
20
19
19
19
19
20
19
18
17
17
20
18
19
20
22
21
22
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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