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 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.7° C
1.7° 

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 (07 Aug):

  • Afternoon surf: Afternoon surf (07 Aug, local time) - 1.5ft (0.4m), 11s period with SSE swell.
  • Evening surf: Evening surf (07 Aug, local time) - 1.5ft (0.5m), 11s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8PM is: 0.6m 11s primary swell from a South direction and 0.4m 4s secondary swell from a Southwest direction (forecast issued at 02:00pm August 07). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (07 Aug)--
Afternoon (07 Aug)1.5ft (0.4m)11s
Evening (07 Aug)1.5ft (0.5m)11s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Fri night. Warm (max 27°C on Sat night, min 20°C on Mon morning). Winds increasing (calm on Fri night, fresh winds from the SW by Sun afternoon).

Fri
7
Saturday
8
Sunday
9
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)
0
0
0
0
0
0
0
0
0
1
2
4
4
4
4
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
0.5
S
12
0.4
SSE
11
0.4
S
11
0.5
S
11
0.4
S
10
0.4
S
10
0.4
S
10
0.4
S
10
0.8
S
11
1.3
SSW
10
1.2
SSW
10
1.5
SSW
12
1.8
S
15
1.8
S
14
1.7
S
14
1.7
S
14
1.7
S
13
1.5
S
13
1.5
S
13
1.4
S
12
Wave Graph
Metric surfscale
Energy kJ
68
42
37
57
32
31
30
30
166
377
300
582
1411
1243
1178
1097
1034
771
747
613
Wind (km/h)
20
SW
5
SE
15
NE
5
SSW
15
NE
5
ENE
0
SE
10
E
20
ESE
20
E
20
ENE
15
NE
10
NE
10
NNE
10
N
20
SSW
30
SW
30
SW
20
S
15
SSE
Wind State
on
glassy
off
on
off
glassy
glassy
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
on
on
on
cross-on
cross-on
High Tide
12:16PM0.86m
10:01PM0.65m
1:14PM0.99m
00:35AM0.73m
1:56PM1.08m
Low Tide
5:22PM0.49m
10:43PM0.65m
5:23AM0.28m
6:40PM0.44m
6:31AM0.16m
7:33PM0.39m
cloud
part cloud
cloud
cloud
light rain
part cloud
rain showers
clear
clear
clear
clear
part cloud
clear
clear
clear
cloud
clear
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:37
5:37
 mm
1
1
1
Temp °C
22
23
23
23
22
22
21
21
22
23
22
23
24
27
27
24
22
21
21
21
Feels °C
21
25
23
25
22
24
24
22
22
22
21
24
24
26
27
23
21
19
21
22
  • 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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