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 am 02 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.2°C
1.6° 

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 (02 Oct):

  • Morning surf: Morning surf (02 Oct, local time) - 3.5ft (1.1m), 11s period with SSW swell.
  • Afternoon surf: Afternoon surf (02 Oct, local time) - 5ft (1.5m), 10s period with S swell.
  • Evening surf: Evening surf (02 Oct, local time) - 5ft (1.6m), 6s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8AM is: 1.0m 11s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a Southeast direction (forecast issued at 02:00am October 02). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (02 Oct)3.5ft (1.1m)11s
Afternoon (02 Oct)5ft (1.5m)10s
Evening (02 Oct)5ft (1.6m)6s

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


Short Range Forecast

Heavy rain (total 49mm), heaviest during Fri afternoon. Warm (max 28°C on Sun afternoon, min 19°C on Fri afternoon). Wind will be generally light.

Friday
2
Saturday
3
Sunday
4
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
1
0
0
0
0
0
0
1
1
1
3
3
3
3
2
2
2
2
2
2
2
2
0
Wave
Height (m)
Direction
Period (s)
0.5
SE
10
0.5
SE
9
0.8
SSW
11
1.1
SSW
11
1.1
SSW
10
1.5
S
10
1.5
S
10
1.6
S
6
1.6
S
6
1.5
S
9
1.2
SSW
9
1.5
S
10
1.6
S
10
1.5
S
10
1.5
S
10
1.4
S
10
1.2
S
10
1
S
10
1.1
S
12
1
S
12
1
S
12
0.9
S
12
1
S
12
1
S
12
Wave Graph
Metric surfscale
Energy kJ
44
43
150
292
276
424
426
194
202
372
254
495
562
486
486
400
284
200
353
287
285
220
280
279
Wind (km/h)
5
N
5
E
10
SW
15
SSW
15
SSW
25
SSE
20
SSE
20
SE
20
ESE
20
ESE
25
E
15
NE
20
NE
20
NE
15
NNE
25
NE
20
NE
25
NE
20
NE
25
NE
20
NE
20
ENE
15
ENE
25
WSW
Wind State
glassy
glassy
on
on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
off
off
on
High Tide
5:49AM0.88m
10:22AM0.75m
5:15PM0.79m
7:20AM0.75m
11:40AM0.87m
6:04PM0.70m
11:23PM0.55m
12:25PM0.96m
8:10PM0.65m
Low Tide
00:31AM0.29m
9:12AM0.75m
1:58PM0.62m
2:01AM0.33m
8:09AM0.75m
3:40PM0.65m
10:04PM0.54m
3:37AM0.31m
5:10PM0.59m
rain showers
cloud
cloud
cloud
light rain
light rain
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:35
—
—
—
—
—
—
—
5:35
—
—
—
—
—
—
—
5:33
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:54
—
—
—
—
—
—
—
5:55
—
—
—
—
—
—
—
5:55
—
—
 mm
1
—
—
—
1
5
9
6
4
4
5
3
2
4
1
—
—
—
—
—
—
—
—
2
Temp °C
21
21
21
21
20
20
19
19
19
19
19
20
20
19
20
20
20
21
22
23
27
28
26
22
Feels °C
24
24
23
22
21
18
18
18
18
18
17
20
19
17
20
18
18
18
20
21
26
28
28
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
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