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 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.9°C
1.7° 

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 (04 Sep):

  • Afternoon surf: Afternoon surf (04 Sep, local time) - 3ft (0.9m), 11s period with SSE swell.
  • Evening surf: Evening surf (04 Sep, local time) - 2.5ft (0.8m), 11s period with SSE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8PM is: 0.9m 11s primary swell from a South-southeast direction (forecast issued at 02:00pm September 04). An open ocean swell of 0.7m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (04 Sep)--
Afternoon (04 Sep)3ft (0.9m)11s
Evening (04 Sep)2.5ft (0.8m)11s

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


Short Range Forecast

Heavy rain (total 33mm), heaviest during Sun afternoon. Warm (max 24°C on Fri afternoon, min 16°C on Mon morning). Winds increasing (calm on Sat morning, fresh winds from the S by Sun afternoon).

Fri
4
Saturday
5
Sunday
6
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)
1
0
0
0
0
0
1
1
0
1
1
0
0
0
0
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
0.9
SSE
11
0.9
SSE
11
0.9
SSE
11
0.8
SSE
11
0.8
SSE
10
0.7
SSE
10
0.6
SSE
10
0.5
SSE
10
0.5
SSE
10
0.8
ESE
9
0.8
S
6
0.4
SSE
10
0.5
S
10
1
S
10
1
S
10
1.9
S
7
2
S
8
2.1
S
8
2.1
S
8
2
S
8
Wave Graph
Metric surfscale
Energy kJ
214
210
167
150
121
92
80
57
57
103
47
38
56
196
200
335
494
504
504
458
Wind (km/h)
10
SSW
15
SSW
15
SW
15
SW
20
SW
15
SW
5
WNW
5
ENE
10
SSW
10
ENE
5
E
25
SSW
15
SW
20
WSW
25
S
15
SSW
20
SSW
30
S
25
S
15
SW
Wind State
cross-on
cross-on
on
on
on
on
glassy
glassy
cross-on
off
cross-off
cross-on
on
on
cross-on
on
on
cross-on
cross-on
on
High Tide
11:40AM0.80m
6:38PM0.68m
11:44PM0.55m
12:37PM0.93m
8:36PM0.62m
00:19AM0.64m
1:17PM1.03m
Low Tide
9:26AM0.76m
3:44PM0.59m
10:32PM0.54m
3:48AM0.35m
5:29PM0.56m
9:50PM0.61m
5:16AM0.26m
6:33PM0.48m
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:46
5:46
 mm
1
1
4
2
2
8
4
2
Temp °C
24
24
22
21
21
20
21
21
21
21
22
21
21
20
19
19
18
17
17
17
Feels °C
25
23
22
21
21
20
23
24
22
22
24
20
22
19
16
18
16
13
13
15
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lopes Mendes (Ilha Grande) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest