Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Lopes Mendes (Ilha Grande) surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 am Monday 05 Jan 2026 -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
28.1° C
(Which is 2.6°C warmer than normal 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 6AM is: 2.3m 12s primary swell from a South direction (forecast issued at 02:00am January 05). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Jan) | 7ft (2.1m) | 12s |
| Afternoon (05 Jan) | 5.5ft (1.7m) | 11s |
| Evening (05 Jan) | 5.5ft (1.7m) | 11s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 05 | Tuesday 06 | Wednesday 07 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1973 | 1626 | 1469 | 1204 | 936 | 708 | 694 | 682 | 658 | 646 | 566 | 566 | 564 | 337 | 296 | 245 | 200 | 190 | 148 | 110 | 108 | 106 | 79 | 78 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- on | cross | cross- off | glass | cross- off |
High Tide / height (m) | 4:04AM 1.07 | 3:19PM 1.08 | 4:31AM 1.01 | 3:56PM 1.10 | 5:00AM 0.96 | 4:35PM 1.08 | ||||||||||||||||||
Low Tide / height (m) | 10:42AM 0.43 | 10:51PM -0.02 | 11:14AM 0.45 | 11:31PM 0.06 | 11:47AM 0.47 | |||||||||||||||||||
Monday 05 | Tuesday 06 | Wednesday 07 | ||||||||||||||||||||||
| Sunrise | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:46 | - |
 | |  | | | | | |  | |  | |  | | |  |  | | | | |  | | | |
Rain (mm) | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 26 | 25 |
| Feels °C (?) | 22 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 22 | 24 | 24 | 25 | 26 | 27 | 28 | 29 | 26 |
- 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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