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 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.8°C
1.6° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 7ft (2.1m), 14s period with S swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 6ft (1.8m), 14s period with S swell.
  • Evening surf: Evening surf (27 Aug, local time) - 5ft (1.6m), 13s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 1PM is: 1.9m 14s primary swell from a South-southeast direction (forecast issued at 08:00am August 27). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (27 Aug)7ft (2.1m)14s
Afternoon (27 Aug)6ft (1.8m)14s
Evening (27 Aug)5ft (1.6m)13s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu morning. Warm (max 35°C on Sat afternoon, min 20°C on Thu morning). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
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)
4
4
4
3
2
3
3
3
2
2
1
1
1
1
2
2
1
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
2.2
S
15
2.1
S
14
2
S
14
1.8
S
14
1.7
S
14
1.6
S
13
1.5
S
13
1.4
SSE
13
1.2
SSE
13
1.1
S
12
1
S
12
1
S
12
0.9
SSE
12
0.8
SSE
11
1.2
ESE
7
1.1
ESE
7
0.6
S
11
0.5
S
11
0.5
S
10
0.4
SSE
10
0.4
SSE
10
0.3
SSE
10
Wave Graph
Metric surfscale
Energy kJ
2119
1884
1691
1298
1065
905
787
679
476
359
289
289
228
167
131
121
85
58
54
34
33
20
Wind (km/h)
15
ENE
15
ENE
15
NE
25
ENE
25
ENE
25
ENE
20
ENE
15
NE
15
NE
15
ENE
20
E
20
E
20
ENE
15
ENE
10
NE
10
NNE
10
NNE
10
NNE
15
NE
15
NE
20
NE
15
NNE
Wind State
off
off
off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
off
off
off
off
off
off
High Tide
2:46PM1.15m
2:23AM1.18m
3:06PM1.16m
2:51AM1.22m
3:28PM1.14m
Low Tide
8:38AM-0.04m
8:57PM0.23m
9:12AM-0.06m
9:28PM0.21m
9:47AM-0.04m
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:45
 mm
3
5
Temp °C
20
20
21
22
21
20
20
20
20
22
24
23
23
23
24
24
24
27
33
35
30
30
Feels °C
20
20
21
20
19
18
19
19
20
22
23
22
23
23
25
25
24
28
33
34
29
30
  • 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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