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 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.9°C
1.8° 

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 (24 Aug):

  • Afternoon surf: Afternoon surf (24 Aug, local time) - 8ft (2.5m), 14s period with S swell.
  • Evening surf: Evening surf (24 Aug, local time) - 8ft (2.4m), 13s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 10PM is: 2.5m 13s primary swell from a South direction and 1.2m 16s secondary swell from a South direction (forecast issued at 02:00pm August 24). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (24 Aug)--
Afternoon (24 Aug)8ft (2.5m)14s
Evening (24 Aug)8ft (2.4m)13s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Wed night. Warm (max 22°C on Thu morning, min 18°C on Mon night). Wind will be generally light.

Mon
24
Tuesday
25
Wednesday
26
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)
4
3
3
3
3
3
3
3
4
3
3
4
4
4
4
4
3
4
4
3
Wave
Height (m)
Direction
Period (s)
2.5
S
14
2.5
S
14
2.5
S
13
2.4
S
13
2.5
S
14
2.5
S
14
2.5
S
14
2.4
S
14
2.3
S
14
2.2
S
13
2
S
13
1.9
S
13
1.9
S
13
1.9
S
13
1.7
S
12
1.7
S
12
2.2
S
16
2.2
S
15
2.3
S
15
2.3
S
15
Wave Graph
Metric surfscale
Energy kJ
2639
2419
2491
1909
2923
2710
2471
2245
1947
1708
1370
1218
1200
1160
874
846
2389
2211
2280
2249
Wind (km/h)
15
ESE
20
SE
20
ESE
20
ESE
20
ESE
20
E
20
E
20
E
15
ENE
15
E
20
E
15
ENE
5
NE
10
NE
5
N
5
NE
5
SSE
10
ESE
10
ENE
20
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
glassy
glassy
cross
cross-off
cross-off
cross-off
High Tide
1:40PM1.02m
1:06AM0.92m
2:03PM1.08m
1:32AM1.02m
2:25PM1.13m
Low Tide
7:31PM0.39m
7:30AM0.09m
7:59PM0.33m
8:05AM0.01m
8:28PM0.27m
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:43
5:44
 mm
1
1
1
1
1
1
1
1
1
1
Temp °C
19
19
19
18
18
18
18
19
20
20
20
20
20
20
20
20
21
21
21
21
Feels °C
19
18
17
16
16
16
16
18
20
19
19
20
22
22
22
22
23
22
22
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
How to use the Wavefinder 

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