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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 06 Apr 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
24.8° C
(Which is slightly cooler than normal)How big are the waves at Lopes Mendes (Ilha Grande) today?
The current surf forecast for Lopes Mendes (Ilha Grande) at 1AM is: 1.3m 12s primary swell from a South direction and 0.8m 14s secondary swell from a South direction (forecast issued at 08:00pm April 06). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | 5ft (1.5m) | 13s |
| Afternoon (07 Apr) | 5ft (1.6m) | 15s |
| Evening (07 Apr) | 5ft (1.5m) | 14s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| 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) (?) | 13 | 12 | 12 | 11 | 11 | 13 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 173 | 371 | 480 | 441 | 483 | 737 | 1361 | 1070 | 919 | 869 | 694 | 670 | 569 | 477 | 470 | 377 | 292 | 287 | 229 | 229 | 229 | 127 | 127 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | off | cross- off | cross | glass | cross | off | cross- off | cross | on | cross- on | cross- on |
High Tide / height (m) | 4:45PM 1.00 | 4:27AM 0.92 | 5:23PM 0.90 | 4:58AM 0.85 | 6:14PM 0.80 | 5:38AM 0.77 | ||||||||||||||||||
Low Tide / height (m) | 11:21PM 0.47 | 11:21AM 0.26 | 12:13AM 0.56 | 12:26PM 0.33 | 1:48AM 0.62 | 2:08PM 0.38 | ||||||||||||||||||
Mon 06 | Tuesday 07 | Wednesday 08 | Thursday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:47 |
 | | | | |  |  | |  |  | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 | 2 | 4 | - | - | - | - | 1 |
| Temp. °C | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 29 | 30 | 27 | 25 | 25 | 25 | 25 | 26 | 26 | 25 |
| Feels °C (?) | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 27 | 27 | 28 | 30 | 31 | 31 | 26 | 25 | 27 | 27 | 28 | 28 | 27 |
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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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