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 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.6° C

Slightly warmer than usual

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 (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 4.5ft (1.3m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 4.5ft (1.4m), 11s period with S swell.
  • Evening surf: Evening surf (17 Jun, local time) - 4.5ft (1.4m), 11s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 10AM is: 1.3m 11s primary swell from a South direction and 0.4m 6s secondary swell from a East-southeast direction (forecast issued at 02:00am June 17). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (17 Jun)4.5ft (1.3m)11s
Afternoon (17 Jun)4.5ft (1.4m)11s
Evening (17 Jun)4.5ft (1.4m)11s

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

Mostly dry. Warm (max 23°C on Fri afternoon, min 17°C on Thu night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
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
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
1
1
0
0
0
1
1
1
1
2
3
4
3
4
4
4
4
4
4
4
4
3
4
Wave
Height (m)
Direction
Period (s)
1.1
SSW
10
1
S
9
1.2
S
11
1.3
S
11
1.4
S
11
1.4
S
11
1.4
S
11
1.4
S
11
1.3
S
11
1.2
S
11
1.1
S
11
0.9
S
15
1.6
S
14
1.8
S
14
1.9
S
13
1.9
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
1.8
S
13
1.7
S
13
Wave Graph
Metric surfscale
Energy kJ
230
176
351
410
492
501
501
483
410
338
290
358
1030
1214
1256
1247
1391
1412
1391
1367
1391
1412
1141
987
Wind (km/h)
5
SW
10
SW
10
SW
15
SW
15
SW
15
SSW
10
SSW
15
SSW
15
SSW
15
SSW
10
SSW
5
SSW
5
SW
10
SSE
5
E
10
ENE
15
NE
20
NE
20
NE
15
NNE
10
ENE
10
E
15
ENE
15
NE
Wind State
glassy
on
on
on
on
cross-on
on
on
on
cross-on
cross-on
glassy
glassy
cross-on
cross-off
off
off
off
off
off
off
cross-off
cross-off
off
High Tide
3:11AM0.98m
4:41PM1.01m
3:50AM1.01m
5:18PM0.94m
4:32AM1.01m
5:56PM0.87m
Low Tide
10:52AM-0.01m
11:32PM0.50m
11:41AM0.04m
00:13AM0.54m
12:30PM0.12m
rain showers
rain showers
rain showers
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<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
5:17
5:19
 mm
1
1
1
Temp °C
19
19
19
20
20
20
20
20
20
20
20
20
20
20
20
19
19
18
17
18
21
23
22
21
Feels °C
21
20
19
20
19
19
19
19
19
19
20
20
20
19
20
18
17
16
14
16
20
22
21
20
Swell 1
Height (m)
Direction
Period (s)
1.1
SSW
10
1
S
9
1.2
S
11
1.3
S
11
1.4
S
11
1.4
S
11
1.4
S
11
1.4
S
11
1.3
S
11
1.2
S
11
1.1
S
11
1.2
S
11
1.6
S
14
1.8
S
14
1.9
S
13
1.9
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
2
S
13
1.8
S
13
1.7
S
13
Energy kJ
230
176
351
410
492
501
501
483
410
338
281
358
1030
1214
1256
1247
1391
1412
1391
1367
1391
1412
1141
987
Swell 2
Height (m)
Direction
Period (s)
0.7
SE
6
0.6
S
12
0.4
ESE
6
0.4
ESE
6
0.6
ESE
8
0.6
ESE
8
0.5
ESE
10
0.5
ESE
10
0.5
ESE
9
0.6
S
16
0.8
S
15
0.9
S
15
0.4
ESE
9
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.4
E
8
0.4
E
8
0.4
E
8
0.4
ESE
9
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
Energy kJ
31
106
12
12
55
54
54
52
47
185
290
339
25
24
24
24
23
22
22
22
29
32
32
32
Swell 3
Height (m)
Direction
Period (s)
0.5
S
12
0.6
ESE
5
0.4
ESE
7
0.4
ESE
7
0.1
S
20
0.2
S
19
0.2
S
18
0.3
S
18
0.4
S
17
0.5
ESE
9
0.5
S
5
0.4
ESE
9
0.4
ESE
9
0.4
ESE
10
Energy kJ
75
19
17
21
8
29
26
56
90
46
12
26
25
32
Wind waves
Height (m)
Direction
Period (s)
0.4
SSW
3
0.5
S
4
0.6
S
5
0.6
NE
3
0.7
NE
4
0.5
NE
3
0.5
E
3
0.9
ESE
6
0.9
ESE
6
Energy kJ
4
9
17
6
12
5
5
61
50
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
2
2
2
2
2
2
3
3
4
3
4
4
4
4
4
4
4
4
3
4
Distance (km)
0
20
20
20
20
20
20
20
20
20
63
0
0
59
0
0
0
0
0
0
0
0
59
0
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
2
2
2
3
1
1
1
2
3
3
4
4
4
4
4
4
4
4
4
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
2
2
2
3
2
2
2
2
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
8
8
4
4
4
5
5
9
9
9
7
5
5
6
5
6
6
6
5
5
8
7
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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