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Surf Forecasts:

Lopes Mendes (Ilha Grande) surf break

Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil

information circle12 Day Weather and Surf, issued 8 am Sunday 01 Feb 2026 -03
Forecast update in hr  min  s Forecast update imminent
Lopes Mendes (Ilha Grande) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lopes Mendes (Ilha Grande) sea temperature is
27.6° C
 (Which is 1.7°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Lopes Mendes (Ilha Grande) this week:

The surf forecast for Lopes Mendes (Ilha Grande) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Feb 01) at 6PM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.5m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Lopes Mendes (Ilha Grande) in the next 12 days are 1.0m 13s and forecast to arrive on Monday (Feb 02) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Monday (Feb 02) at 12AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sun 1st Feb)2.5ft (0.8m) 14s
Best Surf 6PM (Sun 1st Feb)2.5ft (0.8m) 14s
Most Powerful12AM (Mon 2nd Feb)3.5ft (1.0m) 13s

Table - best surf conditions forecast for Lopes Mendes (Ilha Grande) over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 4mm), mostly falling on Tue night. Warm (max 29°C on Sun morning, min 25°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 33mm), heaviest during Thu afternoon. Warm (max 26°C on Wed morning, min 23°C on Fri night). Wind will be generally light.

Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
0
0
2
1
0
1
0
0
0
0
0
0
0
0
0
0
1
1
Wave Height (m) & direction (?)
0.7
SSE
0.8
SSE
1
S
0.9
SSE
0.9
SSE
0.8
SSE
0.6
SSE
0.5
SSE
0.4
SSE
0.4
SE
0.3
SSE
0.5
S
0.6
S
0.6
S
0.6
S
0.7
SSE
0.7
SSE
0.8
SSE
0.6
SSE
0.7
SSE
1
SE
Period(s) (?)16141313121212111111116776666665
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2122333612862561921097447302320383322373944303444
Wind
(km/h)
5
NNW
5
ESE
10
NNE
15
WSW
15
SSW
5
N
0
NE
10
SE
10
NNE
5
NNE
5
SE
5
NW
10
WSW
15
SW
5
S
5
W
10
S
10
NW
5
NNE
10
NE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
off		cross-
on		oncross-
off		glasscrossoffglasscrossglassononcross-
on		cross-
on		cross-
on		crossglassoffoff
High Tide
/ height (m)
2:07PM
1.04
3:25AM
1.12
2:38PM
1.13
3:42AM
1.10
3:11PM
1.18
4:02AM
1.07
3:44PM
1.19
4:25AM
1.04
4:18PM
1.16
4:50AM
1.00
4:54PM
1.09
5:15AM
0.95
5:31PM
0.99
Low Tide
/ height (m)
9:11AM
0.34
9:16PM
-0.10
9:42AM
0.33
9:53PM
-0.09
10:11AM
0.33
10:28PM
-0.04
10:38AM
0.33
11:00PM
0.05
11:04AM
0.33
11:30PM
0.16
11:29AM
0.34
11:58PM
0.28
11:56AM
0.35
12:28AM
0.40
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunrise5:35--5:35--5:37--5:37--5:37--5:39--5:39--
Sunset-6:44--6:43--6:43--6:42--6:42--6:40--6:40-
clear
part cloud
part cloud
part cloud
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
cloud
rain showers
rain showers
thunderstorm
mod rain
mod rain
rain showers
part cloud
mod rain
light rain
light rain
thunderstorm
Rain (mm)
----1--12-1241071-8414
Temp. °C292927282726272725262626252424252525232425
Feels °C (?)313229303030303029302931282627282728272728
  • 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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View detailed surf forecast for Lopes Mendes (Ilha Grande) at:
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Information about the Lopes Mendes (Ilha Grande) Surf forecast

The above surf forecast table for Lopes Mendes (Ilha Grande) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Lopes Mendes (Ilha Grande) can be found by selecting the local surf guide option on the grey menu. Our Lopes Mendes (Ilha Grande) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Lopes Mendes (Ilha Grande)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Lopes Mendes (Ilha Grande) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

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