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 pm 28 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.7°C
1.3° 

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):

  • Morning surf: Morning surf (29 Oct, local time) - 2.5ft (0.7m), 9s period with S swell.
  • 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 4AM is: 0.7m 9s primary swell from a South direction and 0.9m 6s secondary swell from a East-southeast direction (forecast issued at 08:00pm October 28). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (-03) & DateWave HeightWave Period
Morning (29 Oct)2.5ft (0.7m)9s
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 22mm), heaviest during Thu night. Warm (max 22°C on Fri morning, min 20°C on Thu afternoon). Wind will be generally light.

Wed
28
Thursday
29
Friday
30
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
2
1
1
1
0
1
1
1
1
1
0
0
0
0
1
2
Wave
Height (m)
Direction
Period (s)
0.9
S
9
0.8
S
9
1.1
ESE
6
0.7
S
9
0.7
S
9
0.7
S
9
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
0.5
S
9
0.5
S
9
0.6
SE
7
0.4
SSW
9
0.6
S
11
0.6
S
11
0.8
S
13
0.8
S
12
Wave Graph
Metric surfscale
Energy kJ
126
106
92
79
79
74
57
57
57
39
40
41
33
25
92
87
209
181
Wind (km/h)
20
E
20
ENE
10
NE
10
ENE
5
NE
0
NW
5
SSW
5
SSE
0
S
5
S
5
NNW
5
NNW
0
NNE
5
WSW
10
S
15
SSW
10
WSW
5
WNW
Wind State
cross-off
off
off
off
glassy
glassy
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
on
cross-on
glassy
High Tide
3:16PM0.97m
4:10AM1.09m
3:46PM0.93m
4:55AM0.98m
4:21PM0.88m
Low Tide
10:33PM0.10m
11:31AM0.46m
11:25PM0.16m
12:32PM0.57m
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
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—
5:13
—
—
—
—
—
—
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5:11
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
—
—
—
—
—
—
—
6:07
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—
—
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—
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6:07
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 mm
—
—
—
—
—
—
—
1
3
7
5
3
2
—
—
—
—
—
Temp °C
22
21
21
21
21
21
21
21
20
20
20
21
21
21
22
22
22
22
Feels °C
21
20
22
22
23
23
23
23
23
23
23
24
25
24
24
23
24
25
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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How to use the Wavefinder 

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