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 07 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.5°C
1.7° 

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 (08 Oct):

  • Morning surf: Morning surf (08 Oct, local time) - 4.5ft (1.4m), 9s period with S swell.
  • Afternoon surf: Afternoon surf (08 Oct, local time) - 4.5ft (1.3m), 9s period with SSE swell.
  • Evening surf: Evening surf (08 Oct, local time) - 3.5ft (1.1m), 8s period with SE swell.

The current surf forecast for Lopes Mendes (Ilha Grande) at 12AM is: 1.5m 6s primary swell from a Southwest direction and 0.7m 10s secondary swell from a South direction, 0.4m 7s secondary swell from a East-southeast direction (forecast issued at 08:00pm October 07). The wind direction is predicted to be onshore.

Time (-03) & DateWave HeightWave Period
Morning (08 Oct)4.5ft (1.4m)9s
Afternoon (08 Oct)4.5ft (1.3m)9s
Evening (08 Oct)3.5ft (1.1m)8s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sat afternoon. Warm (max 23°C on Fri afternoon, min 20°C on Wed night). Wind will be generally light.

Wed
7
Thursday
8
Friday
9
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
0
1
1
2
2
2
2
1
2
1
1
1
1
Wave
Height (m)
Direction
Period (s)
0.8
S
10
0.7
S
10
1.5
SW
6
0.7
S
10
1.3
SSW
8
1.4
S
9
1.3
S
9
1.3
SSE
9
1.2
SSE
9
1.1
SE
8
1
SE
8
1.1
SE
8
1
SE
8
1.1
SE
8
1.1
SE
8
1
SE
8
1
SE
8
1
SE
8
Wave Graph
Metric surfscale
Energy kJ
123
115
146
98
221
313
257
237
212
158
135
153
132
156
156
132
136
136
Wind (km/h)
15
WSW
25
WSW
20
WSW
20
WSW
15
SW
10
SW
5
SSW
10
SSE
5
ESE
5
NE
10
ENE
10
NE
10
ENE
5
ESE
10
SE
10
E
10
NE
10
E
Wind State
cross-on
cross-on
on
on
on
on
cross-on
cross-on
glassy
off
off
off
off
cross-off
cross
cross-off
off
cross-off
High Tide
00:48AM1.04m
1:42PM1.07m
1:16AM1.13m
1:51PM1.08m
Low Tide
7:15PM0.33m
7:29AM0.02m
7:47PM0.25m
8:05AM0.02m
8:17PM0.19m
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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5:30
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5:28
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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5:57
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5:58
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 mm
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1
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Temp °C
22
21
21
20
20
20
21
21
21
21
21
21
21
22
22
23
23
23
Feels °C
23
19
20
19
20
20
23
22
23
23
23
22
22
24
23
26
26
26
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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