Lopes Mendes (Ilha Grande) Surf Break

Lat Long: 23.18° S 44.12° W

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Issued: 2 pm 29 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.3°C
0.9° 

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 (29 Oct):

  • Afternoon surf: Afternoon surf (29 Oct, local time) - 2ft (0.6m), 9s period with S swell.
  • Evening surf: Evening surf (29 Oct, local time) - 1.5ft (0.5m), 9s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8PM is: 0.5m 9s primary swell from a South direction and 0.6m 8s secondary swell from a Southeast direction (forecast issued at 02:00pm October 29). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (29 Oct)--
Afternoon (29 Oct)2ft (0.6m)9s
Evening (29 Oct)1.5ft (0.5m)9s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Thu night. Warm (max 23°C on Sun morning, min 20°C on Thu afternoon). Wind will be generally light.

Thu
29
Friday
30
Saturday
31
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
1
1
1
0
0
0
0
0
0
2
2
2
2
2
1
0
0
0
1
Wave
Height (m)
Direction
Period (s)
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.7
ESE
6
0.5
SE
7
0.6
S
11
0.5
S
13
0.8
S
13
0.8
S
12
0.8
S
12
0.8
S
12
0.8
S
12
0.7
S
11
0.7
S
11
0.7
S
11
0.7
S
11
0.7
S
10
Wave Graph
Metric surfscale
Energy kJ
57
57
57
39
40
41
36
25
92
87
209
181
178
175
166
116
114
112
108
98
Wind (km/h)
10
SW
5
SSE
5
ESE
5
SE
5
SSW
10
WSW
10
WSW
5
WSW
10
S
10
S
0
NW
5
NNE
0
ESE
0
NNW
0
NNW
0
SSE
15
S
15
SW
10
SSW
0
SW
Wind State
on
glassy
glassy
glassy
on
on
on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
on
cross-on
glassy
High Tide
3:46PM0.93m
4:55AM0.98m
4:21PM0.88m
5:51AM0.85m
10:04AM0.81m
5:02PM0.83m
Low Tide
11:31AM0.46m
11:25PM0.16m
12:32PM0.57m
00:31AM0.22m
8:19AM0.79m
1:44PM0.65m
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:11
—
—
—
—
—
—
—
5:11
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:07
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:07
—
 mm
1
1
2
7
8
4
3
—
—
—
—
—
—
—
—
—
—
1
2
—
Temp °C
21
20
20
20
20
20
21
21
22
22
22
22
22
22
22
22
22
22
22
22
Feels °C
23
23
23
23
22
21
23
23
24
24
25
25
25
25
26
25
23
23
24
26
  • 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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