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 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
21.7°C
0.3° 

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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 1.5ft (0.4m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 1.5ft (0.4m), 10s period with SSE swell.
  • Evening surf: Evening surf (27 Sep, local time) - 1ft (0.3m), 9s period with SSE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 3AM is: 0.5m 10s primary swell from a South direction and 0.6m 7s secondary swell from a East-southeast direction (forecast issued at 08:00pm September 26). The wind direction is predicted to be glassy.

Time (-03) & DateWave HeightWave Period
Morning (27 Sep)1.5ft (0.4m)10s
Afternoon (27 Sep)1.5ft (0.4m)10s
Evening (27 Sep)1ft (0.3m)9s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 24°C on Tue morning, min 21°C on Sat night). Wind will be generally light.

Sat
26
Sunday
27
Monday
28
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
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
1
Wave
Height (m)
Direction
Period (s)
0.7
S
11
0.6
S
11
0.6
S
10
0.5
S
10
0.5
S
10
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.3
ESE
9
0.3
SSE
9
0.3
SSE
9
0.3
ESE
8
0.4
SE
6
0.3
S
12
0.5
S
12
0.6
S
11
0.7
S
11
0.7
S
10
Wave Graph
Metric surfscale
Energy kJ
112
81
76
49
50
33
32
31
17
16
16
13
13
25
67
88
112
102
Wind (km/h)
5
ESE
5
E
0
NE
0
W
5
SSW
5
SW
10
S
10
SSE
5
ESE
10
ENE
10
ENE
5
E
5
E
10
ENE
15
ESE
15
E
15
E
15
E
Wind State
glassy
glassy
glassy
glassy
glassy
on
cross-on
cross
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:31AM1.25m
2:55PM1.13m
3:02AM1.25m
3:17PM1.08m
Low Tide
8:59PM0.14m
9:24AM-0.00m
9:32PM0.13m
10:02AM0.09m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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5:41
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5:39
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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5:53
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5:53
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 mm
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1
1
Temp °C
23
22
22
21
21
21
22
22
22
22
22
21
21
22
23
23
22
21
Feels °C
26
25
26
25
24
24
25
24
25
25
25
23
24
25
25
24
23
22
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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