Lopes Mendes (Ilha Grande) surf break

Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil

information circle48hr Weather and Surf, issued 8 am Saturday 23 May 2026 -03
Forecast update in hr  min  s Forecast update imminent
Lopes Mendes (Ilha Grande) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lopes Mendes (Ilha Grande) sea temperature is
23.4° C
(Which is normal for this time of year)

How big are the waves at Lopes Mendes (Ilha Grande) today?

The current surf forecast for Lopes Mendes (Ilha Grande) at 12PM is: 2.0m 13s primary swell from a South direction (forecast issued at 08:00am May 23). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (23 May)7ft (2.1m)14s
Afternoon (23 May)6.5ft (2.0m)13s
Evening (23 May)5.5ft (1.7m)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 5mm), mostly falling on Sun afternoon. Warm (max 23°C on Sat morning, min 20°C on Sat morning). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
Tue
26
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
12 AM
3 AM
Rating
(10 max)
4
4
4
1
1
1
2
3
3
3
1
0
1
2
0
1
1
1
0
0
1
3
3
4
Wave
Height (m)
Direction
Period (s)
2.2
S
14
2.1
S
14
2
S
13
2
S
13
1.8
S
13
1.7
S
13
1.6
S
13
1.5
S
12
1.4
S
12
1.4
S
12
1.3
S
12
1.3
S
12
1.2
S
12
1.2
S
11
1.1
S
11
1.1
S
11
1.1
S
11
1
S
11
1.1
S
10
1.1
S
10
1.2
S
10
0.8
SSE
17
1.1
S
17
1.4
SSE
16
Wave Graph
Metric surfscale
Energy kJ
1914
1699
1412
1380
1074
943
826
667
553
544
461
461
373
342
277
277
272
220
244
231
262
404
675
1029
Wind (km/h)
15
NE
10
NE
5
E
20
SW
20
SW
10
SW
10
WSW
5
W
5
NNE
5
ENE
10
SE
10
SSE
5
SSW
5
SSW
10
SW
10
SW
5
SSW
5
SSW
10
SSW
10
S
10
S
5
SE
5
W
10
NNE
off
off
cross-off
on
on
on
on
glassy
glassy
off
cross
cross-on
cross-on
glassy
on
on
on
on
cross-on
cross-on
cross-on
glassy
glassy
off
High Tide
6:26AM0.83m
11:31PM0.83m
8:03AM0.80m
11:49PM0.83m
10:20AM0.83m
11:52PM0.86m
Low Tide
3:05PM0.27m
3:48AM0.58m
4:12PM0.30m
4:47AM0.50m
5:12PM0.30m
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:20
5:19
5:19
5:19
2
1
1
1
Temp °C
20
20
23
22
21
21
21
20
20
21
22
22
21
21
21
21
21
21
22
22
22
22
22
21
20
20
25
21
20
22
22
22
22
23
24
23
23
24
22
23
24
23
24
24
24
25
25
23
Swell 1
Height (m)
Direction
Period (s)
2.2
S
14
2.1
S
14
2
S
13
2
S
13
1.8
S
13
1.7
S
13
1.6
S
13
1.5
S
12
1.4
S
12
1.4
S
12
1.3
S
12
1.3
S
12
1.2
S
12
1.2
S
11
1.1
S
11
1.1
S
11
1.1
S
11
1
S
11
1.1
S
10
1.1
S
10
1.2
S
10
1
S
8
1.3
S
9
1.4
SSE
16
Energy kJ
1914
1699
1412
1380
1074
943
826
667
553
544
461
461
373
342
277
277
272
220
244
231
262
133
282
1029
Swell 2
Height (m)
Direction
Period (s)
0.2
E
9
0.2
E
9
0.2
E
8
0.2
E
8
0.7
ESE
6
0.9
ESE
6
1
ESE
6
0.9
ESE
6
0.8
ESE
6
0.7
E
6
0.6
E
6
0.5
E
6
0.4
ESE
5
0.4
ESE
5
0.3
ESE
5
0.3
E
5
0.3
E
5
0.3
E
5
0.3
E
5
0.3
E
5
0.4
SSE
18
0.8
S
10
1.1
S
17
1.2
S
9
Energy kJ
6
6
6
6
28
53
66
58
45
33
23
15
9
9
5
4
4
5
5
4
109
125
675
225
Swell 3
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.1
E
9
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.4
SW
4
0.1
E
8
0.1
E
8
0.3
SSE
19
0.2
E
5
0.8
SSE
17
0.2
E
8
0.5
SE
11
Energy kJ
6
5
1
1
1
1
1
1
3
1
1
72
2
404
5
58
Wind waves
Height (m)
Direction
Period (s)
0.3
ENE
9
0.8
ESE
5
0.4
SW
3
0.4
SW
3
Energy kJ
15
33
3
3
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
1
1
1
1
2
2
3
3
4
Distance (km)
0
0
0
58
65
20
20
0
0
0
58
71
20
0
20
20
20
20
215
97
59
0
0
0
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2
1
1
2
3
4
4
Best forecast wave conditions in Brazil
Rating
(10 max)
4
4
4
4
4
4
3
3
3
3
3
3
2
2
2
2
2
2
1
3
2
3
4
4
Header Global
Rating
(10 max)
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
4
5
4
5
5
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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