Lopes Mendes (Ilha Grande) Surf Break

Lat Long: 23.18° S 44.12° W

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Issued: 8 am 30 Jul 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.0° C
1.0° 

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 (30 Jul):

  • Morning surf: Morning surf (30 Jul, local time) - 2.5ft (0.7m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (30 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.
  • Evening surf: Evening surf (30 Jul, local time) - 3ft (0.9m), 10s period with SSW swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 2PM is: 0.9m 10s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southeast direction (forecast issued at 08:00am July 30). An open ocean swell of 0.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (30 Jul)2.5ft (0.7m)11s
Afternoon (30 Jul)3ft (0.9m)10s
Evening (30 Jul)3ft (0.9m)10s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Sat morning, min 18°C on Fri night). Wind will be generally light.

Thursday
30
Friday
31
Saturday
1
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)
0
0
0
0
0
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
Wave
Height (m)
Direction
Period (s)
0.7
S
11
0.7
S
11
0.7
S
11
0.9
SSW
10
0.9
SSW
10
0.9
SSW
10
0.9
S
10
0.7
S
10
0.7
S
10
0.6
S
9
0.7
S
10
0.8
S
9
0.8
S
9
0.6
S
13
0.6
S
13
0.8
S
12
0.6
S
12
0.8
S
12
0.8
S
12
0.8
S
11
0.7
S
11
0.7
S
11
Wave Graph
Metric surfscale
Energy kJ
116
116
110
180
167
167
158
92
90
61
88
113
113
119
114
190
102
175
169
149
112
112
Wind (km/h)
15
W
15
SW
15
SW
20
SSW
10
S
5
SSE
5
NE
5
NNE
10
NE
10
E
20
E
25
E
25
E
25
ENE
20
NE
20
ENE
20
NE
10
NNE
20
E
20
E
25
ENE
15
NE
Wind State
cross-on
on
on
cross-on
cross-on
glassy
glassy
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
High Tide
3:34PM1.11m
3:11AM1.15m
3:58PM1.11m
3:41AM1.17m
4:25PM1.09m
Low Tide
9:37AM-0.02m
9:57PM0.29m
10:12AM-0.02m
10:30PM0.29m
10:49AM0.01m
clear
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:32
5:34
5:34
 mm
Temp °C
21
21
21
21
20
20
20
19
19
20
21
21
20
20
19
18
18
19
22
22
21
22
Feels °C
20
21
21
21
21
22
22
21
20
20
20
19
17
18
17
16
16
18
20
19
19
21
  • 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
How to use the Wavefinder 

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