Lopes Mendes (Ilha Grande) surf break

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

information circle48hr Weather and Surf, issued 2 pm Sunday 31 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
22.9° C
(Which is normal for this time of year)

How big are the waves at Lopes Mendes (Ilha Grande) today (31 May):

  • Afternoon surf: Afternoon surf (31 May, local time) - 5ft (1.5m), 10s period with SSE swell.
  • Evening surf: Evening surf (31 May, local time) - 5ft (1.6m), 10s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 5PM is: 1.8m 10s primary swell from a South direction and 1.1m 5s secondary swell from a Southwest direction (forecast issued at 02:00pm May 31). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (31 May)--
Afternoon (31 May)5ft (1.5m)10s
Evening (31 May)5ft (1.6m)10s

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

Moderate rain (total 12mm), heaviest on Mon night. Warm (max 21°C on Sun afternoon, min 19°C on Tue night). Wind will be generally light.

Sun
31
Monday
1
Tuesday
2
Wed
3
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)
0
0
0
1
1
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
Wave
Height (m)
Direction
Period (s)
1.7
S
10
1.5
SSE
10
1.8
S
10
1.6
S
10
1.5
S
10
1.3
SSE
10
1.3
SSE
10
1.2
SSE
9
1.1
SSE
10
1.1
SSE
10
0.9
SSE
9
1
SSE
9
1
SSE
9
1
SSE
9
0.9
SSE
10
0.9
SSE
10
0.9
SE
10
0.8
SE
10
0.8
SE
9
0.7
SE
9
0.8
SE
9
0.8
SE
9
0.9
SE
9
1.6
SSE
7
Wave Graph
Metric surfscale
Energy kJ
621
432
650
514
458
356
314
237
218
214
127
161
176
180
157
148
134
110
106
83
95
93
107
280
Wind (km/h)
20
SW
25
SW
20
SW
10
SW
10
WSW
10
WSW
5
W
5
W
15
SW
15
SSW
15
SSW
15
SSW
10
SW
10
SW
10
WSW
15
SW
15
SW
15
SW
15
SW
10
WSW
15
W
15
W
10
W
0
SSE
on
on
on
on
cross-on
cross-on
cross-on
glassy
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
glassy
High Tide
2:47PM1.08m
2:26AM0.97m
3:21PM1.06m
2:57AM0.98m
3:55PM1.03m
3:31AM0.98m
Low Tide
9:26PM0.36m
9:23AM0.09m
10:01PM0.39m
10:01AM0.10m
10:37PM0.41m
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
thunderstorm
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
clear
rain showers
clear
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:30
6:30
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:17
5:17
5:17
1
1
2
1
1
1
1
1
1
Temp °C
21
21
21
21
20
20
20
20
21
21
20
20
20
20
20
20
21
21
20
20
19
19
19
20
19
18
20
22
21
21
21
22
21
21
19
20
20
20
20
19
20
20
20
21
18
18
19
22
Swell 1
Height (m)
Direction
Period (s)
1.7
S
10
1.5
SSE
10
1.8
S
10
1.6
S
10
1.5
S
10
1.3
SSE
10
1.3
SSE
10
1.2
SSE
9
1.1
SSE
10
1.1
SSE
10
0.9
SSE
9
1
SSE
9
1
SSE
9
1
SSE
9
0.9
SSE
10
0.9
SSE
10
0.9
SE
10
0.8
SE
10
0.8
SE
9
0.7
SE
9
0.8
SE
9
0.8
SE
9
0.9
SE
9
0.9
S
8
Energy kJ
621
432
650
514
458
356
314
237
218
214
127
161
176
180
157
148
134
110
106
83
95
93
107
93
Swell 2
Height (m)
Direction
Period (s)
0.5
SSE
12
0.1
E
7
0.5
W
4
0.9
S
10
0.6
S
9
0.7
S
10
0.7
S
10
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.4
S
9
0.5
S
8
0.7
SSW
8
0.7
SSW
7
0.7
SSW
7
0.7
SSW
6
0.8
SE
8
Energy kJ
85
1
10
161
64
88
96
63
61
60
42
42
42
40
38
37
23
34
58
48
47
44
100
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
S
16
0.3
E
6
0.2
E
6
0.4
SE
12
0.4
SE
12
0.6
SSE
10
0.5
SE
12
0.2
E
6
0.2
E
6
0.1
E
6
0.2
E
6
0.1
E
6
0.1
E
6
0.1
E
6
0.1
E
5
0.1
E
6
0.1
SE
11
0.1
E
6
Energy kJ
1
5
7
3
39
40
72
66
3
3
1
2
1
1
1
1
1
5
1
Wind waves
Height (m)
Direction
Period (s)
0.8
SW
4
1.1
SW
5
1.1
SW
5
0.3
WSW
4
0.4
SW
3
0.4
SW
3
0.4
SW
3
1.6
SSE
7
Energy kJ
20
47
69
3
3
3
3
280
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
20
20
97
97
20
20
20
20
0
0
97
20
20
20
20
20
20
20
20
97
20
20
20
0
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
3
3
2
2
3
2
2
1
2
2
1
1
1
1
1
1
1
1
2
2
Best forecast wave conditions in Brazil
Rating
(10 max)
3
3
2
2
2
2
2
3
2
2
2
2
2
2
1
2
2
2
1
2
2
1
2
3
Header Global
Rating
(10 max)
6
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
4
4
  • 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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