Lopes Mendes (Ilha Grande) surf break

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

information circle48hr Weather and Surf, issued 8 am Thursday 28 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
23.0° C
(Which is normal for this time of year)

How big are the waves at Lopes Mendes (Ilha Grande) today (28 May):

  • Morning surf: Morning surf (28 May, local time) - 6.5ft (2.0m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (28 May, local time) - 5.5ft (1.7m), 9s period with SSW swell.
  • Evening surf: Evening surf (28 May, local time) - 5ft (1.5m), 8s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 3PM is: 1.7m 9s primary swell from a South-southwest direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 08:00am May 28). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (28 May)6.5ft (2.0m)10s
Afternoon (28 May)5.5ft (1.7m)9s
Evening (28 May)5ft (1.5m)8s

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

Some drizzle, heaviest during Thu night. Warm (max 21°C on Thu afternoon, min 19°C on Sat night). Wind will be generally light.

Thursday
28
Friday
29
Saturday
30
Sun
31
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)
1
1
1
0
0
1
1
1
2
2
1
0
1
1
1
1
1
1
1
1
2
2
3
3
Wave
Height (m)
Direction
Period (s)
1.9
SSW
9
2
SSW
10
1.8
SSW
9
1.7
SSW
9
1.6
SSW
9
1.5
S
8
1.4
S
8
1.4
S
8
1.1
S
8
1.3
S
8
1.2
S
9
1.1
S
8
1.1
S
8
1
S
8
0.9
SSE
8
0.8
SSE
7
0.8
SSE
7
0.8
SSE
7
0.9
SSE
9
1
SSE
9
1.3
SSE
10
1.5
SSE
10
1.7
SSE
10
1.7
SSE
11
Wave Graph
Metric surfscale
Energy kJ
541
703
533
456
422
324
266
258
149
245
220
173
165
127
94
73
59
57
131
166
307
433
562
619
Wind (km/h)
20
WSW
15
WSW
10
SW
15
SSW
15
SW
10
WSW
5
WSW
5
W
5
W
5
SW
10
S
10
SSE
10
SE
5
E
5
ENE
10
NE
10
NE
10
NE
10
E
10
ESE
10
E
10
ENE
10
NE
10
NNE
on
cross-on
on
on
on
on
cross-on
cross-on
glassy
glassy
cross-on
cross-on
cross-off
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
High Tide
12:59PM1.01m
00:55AM0.95m
1:36PM1.05m
1:25AM0.96m
2:12PM1.07m
1:55AM0.97m
Low Tide
7:03AM0.23m
7:34PM0.30m
7:39AM0.17m
8:13PM0.32m
8:14AM0.12m
8:50PM0.33m
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:17
5:17
5:17
5:17
1
Temp °C
20
20
20
21
20
20
20
20
20
20
20
21
21
21
21
20
20
20
21
21
21
21
20
19
18
19
19
20
20
21
21
21
21
21
20
21
21
22
21
20
20
20
21
20
20
20
19
19
Swell 1
Height (m)
Direction
Period (s)
1.9
SSW
9
2
SSW
10
1.8
SSW
9
1.7
SSW
9
1.6
SSW
9
1.5
S
8
1.4
S
8
1.4
S
8
1.1
S
8
1.3
S
8
1.2
S
9
1.1
S
8
1.1
S
8
1
S
8
0.9
SSE
8
0.8
SSE
7
0.8
SSE
7
0.8
SSE
7
0.9
SSE
9
1
SSE
9
1.3
SSE
10
1.5
SSE
10
1.7
SSE
10
1.7
SSE
11
Energy kJ
534
703
533
456
422
324
266
258
149
245
220
173
165
127
94
73
59
57
131
166
307
433
562
619
Swell 2
Height (m)
Direction
Period (s)
0.2
E
7
0.2
E
7
0.2
ESE
7
0.1
SE
7
0.1
SE
8
0.2
ESE
7
0.2
ESE
7
0.2
ESE
7
0.8
SSE
9
0.2
SSE
13
0.2
SSE
13
0.2
SSE
12
0.3
SSE
12
0.2
SSE
12
0.2
SSE
11
0.3
SSE
10
0.3
SSE
10
0.4
SSE
10
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
Energy kJ
4
4
5
2
2
5
5
5
100
17
17
15
29
14
13
21
20
31
1
1
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
SE
7
0.2
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.2
S
13
0.2
ESE
7
0.2
ESE
7
0.1
SE
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
E
7
0.1
S
9
0.2
S
9
0.1
S
9
0.1
E
7
Energy kJ
2
2
4
1
1
1
1
14
5
5
2
1
1
1
1
2
6
2
1
Wind waves
Height (m)
Direction
Period (s)
2.1
SSW
8
Energy kJ
541
Nearest Offshore or Glassy
Rating
(10 max)
4
2
2
2
2
2
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
3
3
Distance (km)
20
20
20
20
20
20
20
20
0
0
176
162
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Rio de Janeiro
Rating
(10 max)
3
3
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
2
2
3
3
3
Best forecast wave conditions in Brazil
Rating
(10 max)
4
3
3
2
2
2
2
2
2
2
2
1
1
1
1
1
1
2
2
1
3
3
3
3
Header Global
Rating
(10 max)
8
9
7
7
7
7
5
5
5
5
5
4
5
5
5
5
5
5
6
8
7
7
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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