Lopes Mendes (Ilha Grande) Surf Break

Lat Long: 23.18° S 44.12° W

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Issued: 8 pm 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
21.7°C
0.5° 

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 (22 Sep):

  • Evening surf: Evening surf (22 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 11PM is: 0.2m 11s primary swell from a South direction and 0.4m 4s secondary swell from a South-southwest direction (forecast issued at 08:00pm September 22). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (22 Sep)--
Afternoon (22 Sep)--
Evening (22 Sep)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 38mm), heaviest during Tue night. Warm (max 22°C on Tue night, min 18°C on Wed morning). Wind will be generally light.

Tue
22
Wednesday
23
Thursday
24
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
3
4
4
4
4
4
3
3
3
3
Wave
Height (m)
Direction
Period (s)
0.4
SSW
5
0.2
S
11
0.2
S
11
0.8
SSW
4
1.4
SSW
6
1.7
S
7
1.9
S
8
1.9
S
8
2.2
S
11
2.2
S
11
1.9
SSW
11
1.8
SSW
11
1.4
S
15
1.7
S
14
2.1
S
14
2.1
S
14
2
S
14
2
S
14
Wave Graph
Metric surfscale
Energy kJ
8
10
10
24
122
274
424
466
1075
1096
846
763
846
1179
1705
1614
1531
1433
Wind (km/h)
5
WNW
10
SSW
15
SSW
25
S
25
SSW
15
S
25
S
25
SSE
10
SE
10
E
10
ENE
10
ENE
10
ENE
15
ENE
15
ENE
20
E
20
E
20
ENE
Wind State
cross
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:43AM0.96m
1:34PM1.10m
1:09AM1.07m
1:55PM1.14m
Low Tide
6:54PM0.38m
6:58AM0.08m
7:24PM0.30m
7:35AM0.00m
7:55PM0.23m
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
mod rain
light rain
light rain
rain showers
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:52
 mm
1
2
3
5
10
3
3
9
1
1
1
Temp °C
24
22
20
20
19
19
18
18
18
18
18
18
18
19
19
19
19
19
Feels °C
27
24
20
19
17
18
15
15
17
18
17
18
18
18
18
17
17
17
  • 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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