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 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.0°C
0.6° 

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 (27 Sep):

  • 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 8PM is: 0.3m 9s primary swell from a South-southeast direction and 0.3m 8s secondary swell from a East-southeast direction, 0.3m 6s secondary swell from a East-southeast direction (forecast issued at 02:00pm September 27). The wind direction is predicted to be cross-offshore.

Time (-03) & DateWave HeightWave Period
Morning (27 Sep)--
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 Sun night). Wind will be generally light.

Sun
27
Monday
28
Tuesday
29
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)
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
1
1
1
2
Wave
Height (m)
Direction
Period (s)
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
1.4
ESE
6
1.4
ESE
6
1.4
ESE
7
1.3
ESE
7
1.3
ESE
7
1.5
ESE
7
1.5
ESE
7
1.6
ESE
7
Wave Graph
Metric surfscale
Energy kJ
32
31
17
16
16
13
13
25
67
88
112
102
151
161
176
158
153
192
192
238
Wind (km/h)
10
S
10
SSE
5
ESE
5
ENE
5
NE
5
ENE
10
E
10
E
15
E
25
E
20
E
20
E
10
ENE
5
E
5
NNE
15
E
20
ESE
20
E
20
ENE
10
ENE
Wind State
cross-on
cross-on
glassy
cross-off
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:55PM1.13m
3:02AM1.25m
3:17PM1.08m
3:36AM1.21m
3:42PM1.02m
Low Tide
9:24AM-0.00m
9:32PM0.13m
10:02AM0.09m
10:07PM0.14m
10:44AM0.22m
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
rain showers
light rain
part cloud
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:39
—
—
—
—
—
—
—
5:39
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:53
—
—
—
—
—
—
—
5:53
—
—
—
—
—
—
—
5:53
—
—
 mm
—
—
—
—
—
—
—
—
—
—
1
1
—
—
—
—
—
—
—
—
Temp °C
22
22
22
22
22
22
21
22
22
22
22
22
21
21
22
24
24
24
23
23
Feels °C
25
25
25
25
25
25
23
25
23
21
23
23
23
24
25
26
24
25
23
25
  • 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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