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 11 Jul 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.0° C
0.7° 

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 (11 Jul):

  • Morning surf: Morning surf (11 Jul, local time) - 4.5ft (1.3m), 13s period with SE swell.
  • Afternoon surf: Afternoon surf (11 Jul, local time) - 4.5ft (1.3m), 13s period with SE swell.
  • Evening surf: Evening surf (11 Jul, local time) - 4ft (1.2m), 13s period with SE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 11AM is: 1.3m 13s primary swell from a Southeast direction and 0.4m 8s secondary swell from a South-southwest direction (forecast issued at 02:00am July 11). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (-03) & DateWave HeightWave Period
Morning (11 Jul)4.5ft (1.3m)13s
Afternoon (11 Jul)4.5ft (1.3m)13s
Evening (11 Jul)4ft (1.2m)13s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Sun afternoon. Warm (max 24°C on Sat night, min 17°C on Mon night). Winds increasing (calm on Sat morning, fresh winds from the SSW by Sun afternoon).

Saturday
11
Sunday
12
Monday
13
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)
1
1
1
3
3
3
3
2
2
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
Wave
Height (m)
Direction
Period (s)
1.1
SE
13
1.2
SE
13
1.3
SE
13
1.3
SE
13
1.3
SE
13
1.3
SE
13
1.3
SE
13
1.2
SE
13
1
SE
12
1.1
SE
12
1.1
SE
12
1.1
SE
12
1
SE
12
1
SE
12
0.8
SE
12
0.8
SE
12
1.7
SSW
7
1.8
S
8
1.9
S
9
2.1
S
9
2.1
S
9
1.8
S
9
2.1
S
11
2.1
S
11
Wave Graph
Metric surfscale
Energy kJ
437
488
545
537
529
520
520
451
286
367
367
330
281
272
200
197
277
450
562
755
771
556
1107
1018
Wind (km/h)
10
W
10
SW
15
SW
0
SE
10
E
10
ESE
15
NE
10
NE
15
NNW
15
SW
5
W
5
W
5
SW
30
SW
30
SSW
30
SW
25
SW
20
SW
20
WSW
15
SW
20
SW
20
SW
20
SW
20
SW
Wind State
cross-on
on
on
glassy
cross-off
cross-off
off
off
cross-off
on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
1:33PM1.06m
00:51AM0.82m
2:21PM1.12m
1:24AM0.87m
3:00PM1.15m
Low Tide
6:38AM0.19m
7:38PM0.34m
7:33AM0.08m
8:29PM0.33m
8:23AM-0.01m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:24
5:25
5:25
 mm
1
2
2
2
2
1
1
1
1
1
1
Temp °C
20
20
19
19
21
22
21
23
24
23
21
22
22
21
20
19
19
18
19
19
19
19
19
19
Feels °C
20
19
18
21
22
22
21
23
22
22
22
23
23
19
17
16
16
16
17
17
17
16
16
16
  • 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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