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 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):

  • Morning surf: Morning surf (24 Aug, local time) - 8ft (2.4m), 13s period with S swell.
  • 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 9AM is: 2.4m 13s primary swell from a South direction (forecast issued at 02:00am August 24). An open ocean swell of 0.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (-03) & DateWave HeightWave Period
Morning (24 Aug)8ft (2.4m)13s
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 16mm), heaviest on Wed night. Warm (max 21°C on Wed morning, min 18°C on Mon afternoon). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
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)
2
3
4
4
4
3
3
3
3
3
3
4
4
3
3
3
4
4
4
4
3
4
3
3
Wave
Height (m)
Direction
Period (s)
1.8
S
11
1.9
S
13
2.1
S
13
2.4
S
13
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
2.2
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
1.3
SSE
16
2.2
S
15
2.2
S
15
2.3
S
14
Wave Graph
Metric surfscale
Energy kJ
828
1181
1442
1971
2639
2419
2323
1909
2923
2710
2471
2245
1781
1708
1370
1218
1200
1163
874
846
871
2182
2061
2247
Wind (km/h)
20
ESE
15
SE
15
SE
15
ESE
15
ESE
15
ESE
20
ESE
20
ESE
20
E
20
E
20
E
15
ENE
15
ENE
20
E
20
E
20
ENE
10
NE
10
NNE
5
NE
5
ENE
10
SE
15
E
20
E
15
E
Wind State
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
off
off
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
6:51AM0.19m
7:31PM0.39m
7:30AM0.09m
7:59PM0.33m
8:05AM0.01m
8:28PM0.27m
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
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
1
1
Temp °C
19
19
19
19
19
18
19
19
19
19
19
19
19
20
20
20
20
20
20
20
21
21
21
21
Feels °C
18
18
18
19
19
17
17
17
17
18
18
18
19
19
19
20
21
21
22
22
23
22
21
22
  • 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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