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 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
21.7° C
0.4° 

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 (16 Jul):

  • Morning surf: Morning surf (16 Jul, local time) - 5ft (1.5m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (16 Jul, local time) - 4ft (1.2m), 10s period with SE swell.
  • Evening surf: Evening surf (16 Jul, local time) - 3.5ft (1.1m), 11s period with SE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 9AM is: 1.5m 10s primary swell from a Southeast direction and 0.2m 10s secondary swell from a South direction (forecast issued at 02:00am July 16). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (16 Jul)5ft (1.5m)10s
Afternoon (16 Jul)4ft (1.2m)10s
Evening (16 Jul)3.5ft (1.1m)11s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Sat afternoon, min 18°C on Thu morning). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
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
3
2
2
2
1
1
2
2
1
1
1
1
0
0
1
1
0
0
0
1
1
0
1
Wave
Height (m)
Direction
Period (s)
1.3
SE
10
1.7
SE
10
1.3
SE
10
1.5
SE
10
1.5
SE
10
1.2
SE
10
1.2
SE
10
1.1
SE
11
1.1
SE
10
1
SE
10
1
SE
10
1
SE
10
0.8
SE
10
0.8
SE
10
0.8
SE
10
0.8
SE
10
0.7
SE
10
0.7
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.6
SE
10
0.5
SE
10
0.5
SE
10
Wave Graph
Metric surfscale
Energy kJ
335
616
341
468
477
308
313
249
244
208
208
208
150
150
150
124
98
98
79
76
76
60
47
45
Wind (km/h)
15
NE
15
NNE
15
NNE
15
NNE
10
ENE
15
ESE
20
ENE
15
NNE
15
NNE
20
NNE
20
NNE
20
NNE
10
NE
20
E
25
ENE
15
NNE
20
NNE
20
NNE
20
NNE
20
NNE
15
NE
15
E
20
ENE
15
NNE
Wind State
off
off
off
cross-off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
High Tide
3:06AM1.08m
4:22PM1.04m
3:43AM1.11m
4:47PM0.98m
4:21AM1.11m
5:13PM0.93m
Low Tide
10:36AM-0.06m
11:00PM0.42m
11:17AM0.01m
11:33PM0.43m
11:57AM0.12m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:28
5:28
5:28
 mm
Temp °C
18
18
17
18
21
23
22
21
20
19
18
19
24
26
23
23
22
21
20
21
25
28
24
24
Feels °C
15
16
15
16
20
20
19
19
17
16
14
15
22
22
19
20
18
17
17
18
22
25
21
22
  • 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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