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 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.3° C
1.3° 

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):

  • Morning surf: Morning surf (16 Aug, local time) - 4ft (1.2m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 6ft (1.9m), 7s period with ESE swell.
  • Evening surf: Evening surf (16 Aug, local time) - 7.5ft (2.3m), 7s period with ESE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 2PM is: 1.8m 7s primary swell from a East-southeast direction and 1.1m 11s secondary swell from a South direction, 0.3m 12s secondary swell from a East-southeast direction (forecast issued at 08:00am August 16). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (16 Aug)4ft (1.2m)11s
Afternoon (16 Aug)6ft (1.9m)7s
Evening (16 Aug)7.5ft (2.3m)7s

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


Short Range Forecast

Mostly dry. Warm (max 25°C on Tue morning, min 20°C on Sun morning). Winds decreasing (fresh winds from the E on Sun afternoon, light winds from the NE by Tue night).

Sunday
16
Monday
17
Tuesday
18
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
1
1
1
1
3
3
3
2
0
0
1
3
1
0
0
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
1.3
S
12
1.2
S
11
1.1
S
11
1.9
ESE
7
2.3
ESE
7
2.3
ESE
7
2.1
ESE
8
1.9
ESE
8
1.6
ESE
8
1.6
ESE
8
1.6
ESE
8
0.8
S
11
2.1
ESE
7
2.1
ESE
8
0.6
S
10
0.5
S
10
0.5
S
10
0.5
S
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
9
0.2
S
9
Wave Graph
Metric surfscale
Energy kJ
456
369
295
346
527
558
481
395
308
266
266
146
456
494
75
50
49
50
31
30
28
7
Wind (km/h)
20
ENE
20
ENE
25
E
30
E
35
E
30
ENE
20
ENE
20
NE
15
NNE
10
NE
25
E
25
E
25
ENE
15
NE
15
NNE
15
NE
15
NNE
10
NE
10
E
15
ESE
10
NE
5
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
off
off
High Tide
4:02AM1.17m
4:30PM1.00m
4:38AM1.10m
4:55PM0.96m
5:16AM1.00m
5:22PM0.90m
Low Tide
11:17AM0.16m
11:17PM0.31m
11:47AM0.29m
11:45PM0.32m
12:18PM0.42m
clear
clear
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>
6:20
6:20
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:39
5:39
5:40
 mm
Temp °C
20
20
21
21
20
20
20
20
20
21
23
23
22
22
22
21
20
22
25
25
23
24
Feels °C
19
19
19
18
17
17
19
18
20
21
21
21
20
21
22
20
19
22
24
25
24
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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