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 11 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.4°C
1.5° 

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 (11 Oct):

  • Afternoon surf: Afternoon surf (11 Oct, local time) - 1ft (0.3m), 7s period with SE swell.
  • Evening surf: Evening surf (11 Oct, local time) - 0.5ft (0.2m), 11s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 7PM is: 0.3m 7s primary swell from a Southeast direction and 0.5m 3s secondary swell from a Southwest direction (forecast issued at 02:00pm October 11). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (11 Oct)--
Afternoon (11 Oct)1ft (0.3m)7s
Evening (11 Oct)0.5ft (0.2m)11s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Tue night. Warm (max 25°C on Wed morning, min 21°C on Sun night). Wind will be generally light.

Sun
11
Monday
12
Tuesday
13
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
0
0
0
0
0
0
1
1
1
1
0
0
1
0
0
Wave
Height (m)
Direction
Period (s)
0.4
SE
7
0.3
SE
7
0.3
SE
7
0.2
S
11
0.6
WSW
4
0.2
SSW
9
0.3
SSW
9
0.3
SSW
8
0.4
SSW
8
0.6
SSW
8
0.6
SSW
8
0.6
SSW
8
0.6
SSW
8
0.6
S
8
0.7
S
8
0.6
SSW
8
0.6
SSW
8
0.5
S
11
0.5
S
10
0.5
S
10
Wave Graph
Metric surfscale
Energy kJ
19
8
9
10
10
8
15
14
22
50
45
44
44
41
55
49
51
55
53
52
Wind (km/h)
15
SSW
20
SW
15
SSW
20
SW
15
WSW
15
NE
5
S
5
SW
10
SE
10
ESE
5
ESE
10
NNE
15
ENE
10
ENE
5
SSW
15
WSW
10
SW
10
NE
10
SE
5
NW
Wind State
on
on
on
on
cross-on
off
cross-on
glassy
cross
cross-off
cross-off
cross-off
cross-off
off
glassy
on
on
off
cross
cross
High Tide
2:28PM1.08m
2:50AM1.19m
2:52PM1.06m
3:22AM1.15m
3:17PM1.03m
Low Tide
9:11AM0.13m
9:12PM0.12m
9:41AM0.22m
9:38PM0.11m
10:09AM0.31m
part cloud
thunderstorm
part cloud
rain showers
light rain
light rain
cloud
cloud
part cloud
light rain
rain showers
rain showers
clear
clear
clear
cloud
part cloud
part cloud
thunderstorm
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:26
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:59
—
—
—
—
—
—
—
5:59
—
—
—
—
—
—
—
5:59
—
—
 mm
—
1
—
1
2
1
—
—
—
2
1
1
—
—
—
—
—
—
1
2
Temp °C
23
23
23
22
21
21
21
22
22
22
22
21
21
21
21
22
22
23
23
22
Feels °C
24
24
24
23
22
22
24
25
24
24
25
23
22
22
24
24
25
25
25
25
  • 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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