- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 2 am Tuesday 16 Sep 2025 -03
How big are the waves at Lopes Mendes (Ilha Grande) today?
The current surf forecast for Lopes Mendes (Ilha Grande) at 6AM is: 1.6m 13s primary swell from a Southeast direction and 1.2m 7s secondary swell from a East-southeast direction (forecast issued at 02:00am September 16). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 5ft (1.6m) | 13s |
| Afternoon (16 Sep) | 5ft (1.6m) | 13s |
| Evening (16 Sep) | 5ft (1.6m) | 13s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 10 | 10 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1562 | 1081 | 986 | 937 | 841 | 972 | 1155 | 919 | 921 | 849 | 616 | 553 | 547 | 488 | 444 | 540 | 525 | 483 | 470 | 324 | 369 | 309 | 363 | 241 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | cross | cross- on | on | cross | cross- on | on | on | on | on | on | on | on | on | cross- on | cross- off | cross- off | cross | cross- off | cross- off | glass |
High Tide / height (m) | 12:15AM 0.60 | 1:16PM 0.98 | 12:27AM 0.72 | 1:40PM 1.03 | 12:37AM 0.85 | 1:54PM 1.05 | ||||||||||||||||||
Low Tide / height (m) | 4:56AM 0.29 | 6:23PM 0.55 | 6:05AM 0.19 | 6:57PM 0.46 | 6:54AM 0.09 | 7:28PM 0.38 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | 5:52 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:51 | - | - |
 | |  | | |  |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 21 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 20 |
| Feels °C (?) | 22 | 22 | 19 | 22 | 22 | 22 | 23 | 23 | 22 | 20 | 21 | 22 | 20 | 20 | 22 | 22 | 21 | 22 | 20 | 21 | 21 | 21 | 22 | 22 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Rio de Janeiro
Offshore wind reported 51 km from Lopes Mendes (Ilha Grande) (light winds from the N at Santa Cruz (Aero) 51 km from Lopes Mendes (Ilha Grande)). 1.5m 13s groundswell from the SE with a 1.1m 6s windswell from the ESE. 2 swells combining to make bigger set waves.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lopes Mendes (Ilha Grande) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest