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 08 Oct 2026 (local time)

Forecast update in  hr  min

Today's Lopes Mendes (Ilha Grande) sea temperature is
23.6°C
1.8° 

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 9AM is: 1.4m 9s primary swell from a South direction (forecast issued at 02:00am October 08). An open ocean swell of 0.4m 7s is not directed at the surf break. 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 3mm), mostly falling on Sat afternoon. Warm (max 23°C on Fri morning, min 20°C on Thu morning). Mainly fresh winds.

Thursday
8
Friday
9
Saturday
10
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
1
0
1
1
2
2
2
2
2
2
1
1
1
1
1
0
0
0
0
0
0
1
Wave
Height (m)
Direction
Period (s)
1.3
SW
6
0.7
S
10
1.4
SSW
10
1.4
S
9
1.2
SSE
9
1.3
SSE
9
1.1
SSE
9
1.1
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
9
1.1
SE
9
1.1
SE
9
1
SE
8
1
SE
8
1
SE
8
0.9
SE
8
0.9
SE
8
0.8
SE
8
0.7
SE
8
0.7
SE
8
0.6
SE
8
0.6
SE
8
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
119
98
341
306
222
232
181
162
156
160
164
172
168
139
132
129
112
109
93
60
61
40
39
24
Wind (km/h)
20
WSW
15
WSW
10
SW
10
SSW
10
SSW
5
SSE
5
E
5
E
10
NE
10
ENE
10
NE
10
E
15
SE
10
ESE
5
NE
10
NE
5
NE
10
WSW
10
SW
5
SW
10
S
30
SW
20
WSW
10
NNW
Wind State
cross-on
on
on
on
cross-on
cross
cross-off
cross-off
off
off
off
cross-off
cross
cross-off
off
off
off
on
on
on
cross-on
on
on
cross-off
High Tide
1:42PM1.07m
1:16AM1.13m
1:51PM1.08m
1:46AM1.19m
2:07PM1.08m
Low Tide
7:29AM0.02m
7:47PM0.25m
8:05AM0.02m
8:17PM0.19m
8:39AM0.06m
8:45PM0.14m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
part cloud
part cloud
clear
clear
clear
part cloud
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:30
—
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—
—
—
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5:28
—
—
—
—
—
—
—
5:28
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:57
—
—
—
—
—
—
—
5:58
—
—
—
—
—
—
—
5:58
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
2
—
Temp °C
20
20
20
20
21
21
21
21
21
21
21
23
23
23
23
23
23
22
22
22
23
22
22
22
Feels °C
19
20
21
21
22
23
23
23
22
23
22
26
24
26
26
26
26
24
25
25
25
21
22
24
  • 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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