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 27 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.5°C
1.1° 

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 2AM is: 1.4m 10s primary swell from a South-southeast direction and 0.3m 13s secondary swell from a South direction (forecast issued at 08:00pm October 27). An open ocean swell of 0.4m 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 31mm), heaviest during Thu afternoon. Warm (max 22°C on Wed afternoon, min 20°C on Tue night). Wind will be generally light.

Tue
27
Wednesday
28
Thursday
29
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
1
2
2
2
2
1
0
0
1
2
1
1
1
0
1
1
1
Wave
Height (m)
Direction
Period (s)
1.6
S
9
1.6
S
9
1.5
S
10
1.5
SSE
10
1.4
SSE
9
1.3
SSE
9
1.3
SSE
9
0.8
S
9
0.9
S
9
0.8
S
9
0.8
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.6
S
9
0.6
S
9
0.6
S
9
0.5
S
9
Wave Graph
Metric surfscale
Energy kJ
413
449
423
375
326
273
233
99
126
106
103
80
79
74
57
57
56
39
Wind (km/h)
15
ESE
20
E
20
ENE
20
NE
15
ENE
15
ENE
20
E
20
E
20
E
15
ENE
10
NE
5
ENE
5
NNE
0
SE
5
SSE
5
SSW
5
SE
0
WSW
Wind State
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
off
off
cross-off
glassy
glassy
cross
glassy
glassy
glassy
High Tide
3:29AM1.18m
3:16PM0.97m
4:10AM1.09m
3:46PM0.93m
Low Tide
9:50PM0.07m
10:39AM0.32m
10:33PM0.10m
11:31AM0.46m
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
light rain
heavy rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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5:13
—
—
—
—
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—
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5:13
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:06
—
—
—
—
—
—
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6:06
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—
6:07
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
11
7
Temp °C
21
21
20
20
20
20
21
22
21
21
21
21
21
21
22
21
20
20
Feels °C
20
19
18
18
18
19
19
20
20
21
22
23
23
24
24
24
23
23
  • 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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