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 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.1°C
2.0° 

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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 6ft (1.9m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 6ft (1.9m), 11s period with SSW swell.
  • Evening surf: Evening surf (22 Aug, local time) - 6ft (1.8m), 10s period with SSW swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 8AM is: 1.9m 10s primary swell from a South-southwest direction (forecast issued at 02:00am August 22). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (22 Aug)6ft (1.9m)10s
Afternoon (22 Aug)6ft (1.9m)11s
Evening (22 Aug)6ft (1.8m)10s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon morning. Warm (max 20°C on Sun afternoon, min 18°C on Sat night). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
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)
0
0
0
3
2
2
2
2
3
3
3
3
2
3
3
2
3
3
3
3
3
2
3
3
Wave
Height (m)
Direction
Period (s)
1.6
SSW
7
1.6
SSW
8
1.6
SSW
8
1.9
SSW
10
2
S
10
1.9
SSW
11
1.8
SSW
10
1.8
SSW
10
1.7
SSW
10
1.7
S
10
1.7
S
10
1.6
S
10
1.6
S
10
1.6
S
10
1.7
S
10
1.6
S
11
1.6
S
11
1.9
S
13
2.1
S
13
2.3
S
13
2.5
S
14
2.5
S
13
2.5
S
13
2.5
S
13
Wave Graph
Metric surfscale
Energy kJ
258
283
316
710
865
831
735
707
634
608
584
509
499
509
592
606
675
1178
1439
1753
2598
2384
2532
2394
Wind (km/h)
20
SW
20
SW
15
SSW
5
SSW
10
SSW
10
S
10
SSE
10
SE
10
E
15
E
15
ENE
10
NE
10
ESE
15
ESE
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
20
ESE
20
ESE
15
SE
15
ESE
20
ESE
Wind State
on
on
on
glassy
cross-on
cross-on
cross-on
cross
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
High Tide
12:49PM0.85m
11:56PM0.71m
1:15PM0.94m
00:36AM0.82m
1:40PM1.02m
Low Tide
4:46AM0.39m
6:21PM0.55m
6:02AM0.30m
7:01PM0.47m
6:51AM0.19m
7:31PM0.39m
cloud
cloud
light rain
clear
cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
clear
clear
part cloud
cloud
light rain
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:15
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:42
5:43
5:43
 mm
1
1
1
1
1
1
1
2
2
1
1
1
Temp °C
20
19
19
19
19
19
19
18
18
18
18
19
19
20
20
19
19
19
19
18
18
18
18
18
Feels °C
18
17
17
19
19
18
18
18
18
17
17
19
19
20
20
18
18
18
18
17
17
17
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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