Lopes Mendes (Ilha Grande) Surf Break

Lat Long: 23.18° S 44.12° W

Lopes Mendes (Ilha Grande) 48 hour detailed Surf Forecast

Issued: 8 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
22.7°C
1.5° 

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 (06 Sep):

  • Morning surf: Morning surf (06 Sep, local time) - 7ft (2.2m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (06 Sep, local time) - 7ft (2.1m), 8s period with S swell.
  • Evening surf: Evening surf (06 Sep, local time) - 5.5ft (1.7m), 7s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 3AM is: 0.8m 10s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a East-southeast direction, 0.5m 3s secondary swell from a Southwest direction (forecast issued at 08:00pm September 05). The wind direction is predicted to be cross-onshore.

Time (-03) & DateWave HeightWave Period
Morning (06 Sep)7ft (2.2m)8s
Afternoon (06 Sep)7ft (2.1m)8s
Evening (06 Sep)5.5ft (1.7m)7s

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


Short Range Forecast

Heavy rain (total 53mm), heaviest during Sat night. Warm (max 20°C on Sat night, min 16°C on Sun afternoon). Winds decreasing (fresh winds from the S on Sun morning, calm by Mon afternoon).

Sat
5
Sunday
6
Monday
7
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
0
0
1
0
0
0
0
0
1
3
3
4
3
3
3
Wave
Height (m)
Direction
Period (s)
0.7
SSW
6
0.4
SSE
10
0.5
S
10
0.8
SSW
10
1.8
S
7
2.2
S
8
2.2
S
8
2.1
S
8
1.9
S
7
1.7
S
7
1.7
S
8
2.1
S
9
2.4
S
10
2.4
S
10
2.2
S
10
2
S
10
1.9
S
10
1.8
S
10
Wave Graph
Metric surfscale
Energy kJ
38
38
56
133
277
534
535
486
377
270
363
656
1154
1200
1015
792
696
623
Wind (km/h)
10
SSW
10
SW
15
SW
25
S
20
S
20
SSE
30
S
25
S
20
S
10
SW
20
S
15
S
10
WSW
10
WSW
5
SSW
5
ESE
10
ENE
15
ENE
Wind State
cross-on
on
on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
on
glassy
glassy
cross-off
off
High Tide
8:36PM0.62m
00:19AM0.64m
1:17PM1.03m
00:37AM0.76m
1:48PM1.10m
Low Tide
5:29PM0.56m
9:50PM0.61m
5:16AM0.26m
6:33PM0.48m
6:21AM0.13m
7:14PM0.41m
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
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>
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:46
 mm
4
1
1
2
9
2
5
5
7
2
4
2
1
2
2
2
3
2
Temp °C
20
20
20
19
19
18
17
16
16
16
16
16
16
16
16
16
16
17
Feels °C
21
21
20
17
17
16
13
13
14
15
13
14
15
16
16
17
15
15
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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How to use the Wavefinder 

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