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 28 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.7°C
1.3° 

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 (28 Oct):

  • Morning surf: Morning surf (28 Oct, local time) - 4.5ft (1.3m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 Oct, local time) - 2.5ft (0.8m), 9s period with S swell.
  • Evening surf: Evening surf (28 Oct, local time) - 2.5ft (0.8m), 9s period with S swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 7AM is: 1.4m 9s primary swell from a South-southeast direction and 0.4m 12s secondary swell from a South direction (forecast issued at 02:00am October 28). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (-03) & DateWave HeightWave Period
Morning (28 Oct)4.5ft (1.3m)9s
Afternoon (28 Oct)2.5ft (0.8m)9s
Evening (28 Oct)2.5ft (0.8m)9s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Thu afternoon. Warm (max 22°C on Wed morning, min 20°C on Wed morning). Wind will be generally light.

Wednesday
28
Thursday
29
Friday
30
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
2
2
1
0
0
1
2
2
1
1
1
0
1
1
1
0
0
1
1
0
2
2
Wave
Height (m)
Direction
Period (s)
1.6
SSE
10
1.5
SSE
10
1.4
SSE
9
1.3
SSE
9
1.3
SSE
9
0.8
S
9
0.8
S
9
0.8
S
9
1.1
ESE
6
1.1
ESE
6
0.7
S
9
0.7
S
9
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
0.6
SE
8
0.5
S
9
0.4
SSW
9
0.4
S
12
0.6
S
11
0.5
S
13
0.8
S
13
0.8
S
12
Wave Graph
Metric surfscale
Energy kJ
452
391
308
273
252
99
99
106
95
95
79
74
57
57
57
39
40
41
27
43
92
87
209
181
Wind (km/h)
20
ENE
20
ENE
15
ENE
15
ENE
20
E
20
E
15
ENE
15
ENE
5
NNE
5
ENE
5
NNE
5
E
5
ESE
10
SE
5
S
5
NNW
5
NNE
5
NW
10
NW
10
NNE
5
SSE
10
S
5
S
0
NW
Wind State
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
off
glassy
cross-off
cross
glassy
glassy
glassy
cross
cross
cross-off
glassy
cross-on
glassy
glassy
High Tide
3:29AM1.18m
3:16PM0.97m
4:10AM1.09m
3:46PM0.93m
4:55AM0.98m
4:21PM0.88m
Low Tide
10:39AM0.32m
10:33PM0.10m
11:31AM0.46m
11:25PM0.16m
12:32PM0.57m
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
heavy rain
mod rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:13
—
—
—
—
—
—
—
5:13
—
—
—
—
—
—
—
5:11
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
6:06
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:07
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
1
15
9
4
4
5
3
—
—
—
—
Temp °C
20
20
20
20
22
22
21
21
21
21
21
21
22
21
20
20
20
20
21
21
22
22
22
22
Feels °C
18
18
19
19
20
21
21
22
23
23
23
23
24
22
23
23
23
22
23
22
25
24
25
25
  • 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
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