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Lopes Mendes (Ilha Grande) Surf Forecast
/ Rio de Janeiro (47 surf breaks) /
Surf Forecasts:
Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 8 pm Monday 01 Dec 2025 -03Forecast 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
22.6° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Lopes Mendes (Ilha Grande) today?
The current surf forecast for Lopes Mendes (Ilha Grande) at 1AM is: 0.7m 9s primary swell from a South-southwest direction and 0.6m 4s secondary swell from a Southeast direction (forecast issued at 08:00pm December 01). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 2ft (0.6m) | 10s |
| Afternoon (02 Dec) | 2.5ft (0.8m) | 9s |
| Evening (02 Dec) | 2ft (0.6m) | 9s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 9 | 8 | 11 | 10 | 10 | 11 | 9 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 116 | 82 | 79 | 72 | 54 | 71 | 122 | 113 | 61 | 57 | 86 | 39 | 73 | 231 | 202 | 202 | 223 | 139 | 181 | 218 | 202 | 192 | 125 | 157 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | off | off | off | glass | cross- on | on | cross- off | cross- on | cross | cross- on | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 12:38AM 1.07 | 12:56PM 0.95 | 1:23AM 1.14 | 1:19PM 0.94 | 2:05AM 1.17 | 1:45PM 0.94 | ||||||||||||||||||
Low Tide / height (m) | 6:35PM 0.24 | 7:09AM 0.16 | 7:20PM 0.15 | 8:02AM 0.19 | 8:04PM 0.07 | 8:51AM 0.25 | ||||||||||||||||||
Mon 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - |
| Sunset | 6:28 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - |
 |  |  |  |  | | |  | | |  | | | | |  | |  |  | |  |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | 1 | 4 | 4 | 3 | 2 | 4 | 8 | 1 | - |
| Temp. °C | 23 | 23 | 22 | 22 | 22 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 |
| Feels °C (?) | 25 | 25 | 23 | 22 | 22 | 26 | 25 | 26 | 27 | 27 | 25 | 26 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 21 | 20 | 22 |
- 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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