Lopes Mendes (Ilha Grande) Surf Break

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Lat Long: 23.18° S 44.12° W

Issued: 2 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.5° C

Normal for this time of year

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 (18 Jun):

  • Afternoon surf: Afternoon surf (18 Jun, local time) - 6ft (1.8m), 14s period with S swell.
  • Evening surf: Evening surf (18 Jun, local time) - 6.5ft (2.0m), 13s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8PM is: 1.9m 13s primary swell from a South direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 02:00pm June 18). The wind direction is predicted to be offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (18 Jun)--
Afternoon (18 Jun)6ft (1.8m)14s
Evening (18 Jun)6.5ft (2.0m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Warm (max 23°C on Fri afternoon, min 17°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
3
3
4
4
4
4
4
4
4
4
3
4
3
3
3
2
1
0
0
1
0
0
1
1
Wave
Height (m)
Direction
Period (s)
1.6
S
14
1.8
S
14
1.9
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2.1
S
13
1.8
S
13
1.7
S
13
1.5
S
13
1.4
S
13
1.3
S
13
1.2
S
12
1.1
S
12
1
S
12
0.9
S
12
0.8
S
12
1.4
SSW
11
0.7
S
11
0.7
S
11
0.6
S
11
Wave Graph
Metric surfscale
Energy kJ
1030
1225
1266
1380
1412
1412
1391
1346
1391
1584
1141
987
757
640
526
420
347
278
221
166
466
116
116
85
Wind (km/h)
10
SW
10
S
5
E
10
NE
15
NNE
15
NNE
15
NE
15
NNE
10
NE
15
E
20
ENE
15
NE
15
NNE
10
N
10
N
15
NE
5
S
20
SW
10
WSW
5
NW
20
WSW
20
S
10
SE
5
ENE
Wind State
on
cross-on
cross-off
off
off
off
off
off
off
cross-off
cross-off
off
off
cross-off
cross-off
off
cross-on
on
on
cross
on
cross-on
cross
glassy
High Tide
5:18PM0.94m
4:32AM1.01m
5:56PM0.87m
5:18AM0.98m
6:38PM0.81m
6:12AM0.92m
Low Tide
11:41AM0.04m
00:13AM0.54m
12:30PM0.12m
00:56AM0.55m
1:21PM0.21m
1:45AM0.55m
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:19
5:19
5:19
 mm
1
1
Temp °C
19
19
19
19
18
18
17
18
21
23
21
21
20
20
20
21
23
21
21
20
20
19
20
20
Feels °C
18
18
18
18
16
16
15
16
20
21
19
20
19
20
19
19
23
19
22
21
19
18
21
22
Swell 1
Height (m)
Direction
Period (s)
1.6
S
14
1.8
S
14
1.9
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2.1
S
13
1.8
S
13
1.7
S
13
1.5
S
13
1.4
S
13
1.3
S
13
1.2
S
12
1.1
S
12
1
S
12
0.9
S
12
0.8
S
12
0.6
ESE
7
1
SW
5
0.9
SSW
5
0.7
E
10
Energy kJ
1030
1225
1266
1380
1412
1412
1391
1346
1391
1584
1141
987
757
640
526
420
347
278
221
166
40
51
44
90
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
E
8
0.4
ESE
8
0.4
ESE
9
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.9
ESE
6
0.9
ESE
6
0.9
ESE
7
0.8
E
7
0.9
ESE
7
0.9
ESE
7
0.7
ESE
7
0.7
ESE
7
0.4
ESE
10
0.7
S
11
0.7
ESE
10
0.7
SSW
5
Energy kJ
25
24
24
24
23
23
22
24
29
33
33
32
50
64
77
56
84
68
52
51
33
116
98
28
Swell 3
Height (m)
Direction
Period (s)
0.4
ESE
9
0.4
ESE
10
0.4
ESE
10
0.4
ESE
9
0.4
ESE
9
0.5
SE
7
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.5
E
10
0.6
E
7
0.7
S
11
0.6
S
11
Energy kJ
25
32
31
29
29
27
30
31
34
33
50
36
116
85
Wind waves
Height (m)
Direction
Period (s)
0.5
ENE
8
0.4
NE
3
0.5
NE
3
1
ESE
6
0.9
ESE
6
0.4
NE
3
0.4
NNE
3
0.4
NNE
3
0.4
NNE
3
0.3
NNE
3
0.7
WSW
3
1
WSW
4
1.4
SSW
11
Energy kJ
40
3
4
67
55
2
3
3
3
2
10
34
466
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
4
4
4
4
4
4
4
4
4
3
3
3
2
2
1
1
1
1
1
1
1
Distance (km)
20
59
0
0
0
0
0
0
0
0
58
0
0
0
0
0
58
141
20
20
58
59
59
0
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
2
2
2
2
2
2
Best forecast wave conditions in Brazil
Rating
(10 max)
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
2
2
2
2
1
2
2
Header Global
Rating
(10 max)
6
5
5
5
6
6
6
4
4
4
4
4
5
5
4
5
9
5
8
9
9
9
8
7
  • 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
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