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 13 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.8°C
1.9° 

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 (13 Oct):

  • Afternoon surf: Afternoon surf (13 Oct, local time) - 1.5ft (0.5m), 11s period with S swell.
  • Evening surf: Evening surf (13 Oct, local time) - 1.5ft (0.5m), 10s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 7PM is: 0.5m 10s primary swell from a South direction and 0.6m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm October 13). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (13 Oct)--
Afternoon (13 Oct)1.5ft (0.5m)11s
Evening (13 Oct)1.5ft (0.5m)10s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Thu night. Warm (max 25°C on Wed morning, min 21°C on Wed night). Wind will be generally light.

Tue
13
Wednesday
14
Thursday
15
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)
1
0
1
1
1
0
0
1
1
1
0
0
1
1
1
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
0.5
S
11
0.5
S
11
0.5
S
10
0.5
S
10
0.6
S
10
0.6
S
10
0.8
S
10
0.8
S
10
0.8
S
10
0.7
S
10
1
SSE
9
0.7
S
9
0.6
S
9
0.6
S
9
0.6
S
8
0.5
S
8
0.5
S
8
0.5
S
8
0.6
S
8
0.6
S
8
Wave Graph
Metric surfscale
Energy kJ
57
55
53
52
72
71
125
122
120
90
185
80
57
56
51
34
33
32
48
45
Wind (km/h)
0
ESE
15
ESE
10
ENE
10
N
5
ESE
15
SW
15
WNW
15
NE
5
NNE
5
ESE
20
SW
20
W
5
N
15
N
10
NE
5
N
15
SW
20
SW
15
SW
10
SW
Wind State
glassy
cross-off
cross-off
cross-off
cross-off
on
cross-on
off
cross-off
cross-off
on
cross-on
cross-off
cross-off
off
glassy
on
on
on
on
High Tide
3:17PM1.03m
3:56AM1.08m
3:43PM0.98m
4:31AM0.99m
4:10PM0.93m
Low Tide
10:09AM0.31m
10:02PM0.14m
10:36AM0.41m
10:30PM0.18m
11:07AM0.50m
cloud
clear
clear
light rain
part cloud
light rain
light rain
thunderstorm
part cloud
light rain
thunderstorm
light rain
light rain
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:24
—
—
—
—
—
—
—
5:24
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:59
—
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
—
 mm
—
—
—
1
—
1
2
1
—
1
1
5
4
—
—
—
—
—
1
3
Temp °C
23
23
23
23
23
22
22
24
25
25
23
21
22
22
22
24
24
23
22
21
Feels °C
27
24
25
25
26
23
24
25
27
28
24
21
25
23
23
27
25
24
23
23
  • 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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