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 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.8°C
1.6° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
  • Evening surf: Evening surf (09 Sep, local time) - 2ft (0.6m), 13s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8AM is: 1.0m 10s primary swell from a South direction and 1.2m 7s secondary swell from a East-southeast direction (forecast issued at 02:00am September 09). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.0m)10s
Afternoon (09 Sep)2.5ft (0.8m)10s
Evening (09 Sep)2ft (0.6m)13s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Wed afternoon. Warm (max 26°C on Fri night, min 20°C on Wed morning). Winds increasing (calm on Thu afternoon, strong winds from the SW by Fri night).

Wednesday
9
Thursday
10
Friday
11
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
2
1
1
1
2
1
1
2
2
1
2
1
2
2
0
2
3
3
3
2
1
2
2
Wave
Height (m)
Direction
Period (s)
1.1
S
10
0.9
SSE
11
1
S
10
1
S
10
0.8
SSE
10
0.8
S
10
0.7
S
10
0.6
S
13
0.8
S
13
0.9
S
13
1.1
S
12
1.1
S
12
1.1
S
12
1.1
S
12
1.1
S
13
1
S
13
0.9
S
16
0.9
S
15
1.2
S
14
1.2
S
14
1.1
S
13
1.1
S
13
1
S
13
0.9
S
12
Wave Graph
Metric surfscale
Energy kJ
264
193
198
198
140
125
94
125
215
252
347
342
342
359
389
311
401
357
594
546
423
411
319
239
Wind (km/h)
5
NNE
5
NE
5
NW
10
WSW
10
SSW
0
WNW
10
ENE
15
NE
15
NE
10
NNE
5
NW
10
N
20
NNE
15
NNE
0
NNW
20
WSW
10
SW
5
NW
15
ENE
5
ESE
10
E
20
E
20
ENE
10
NE
Wind State
off
glassy
cross
cross-on
on
glassy
off
off
off
cross-off
cross
cross-off
cross-off
cross-off
glassy
on
on
glassy
off
cross-off
cross-off
cross-off
off
off
High Tide
2:24PM1.13m
1:35AM1.11m
2:34PM1.12m
2:04AM1.19m
2:47PM1.11m
Low Tide
7:54AM-0.06m
8:20PM0.30m
8:32AM-0.08m
8:50PM0.25m
9:07AM-0.05m
clear
clear
part cloud
light rain
light rain
light rain
light rain
light rain
clear
rain showers
cloud
light rain
light rain
cloud
cloud
cloud
light rain
rain showers
light rain
cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:47
5:49
 mm
1
1
3
4
3
1
4
1
3
1
1
Temp °C
20
20
20
20
20
20
20
20
22
22
22
21
23
24
24
22
21
21
22
22
22
24
23
25
Feels °C
21
22
21
21
22
23
22
20
23
24
25
22
23
26
28
22
23
24
23
25
24
24
24
28
  • 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