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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 2 pm Wednesday 29 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
25.0° C
(Which is 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 7PM is: 1.8m 13s primary swell from a South direction and 0.8m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm April 29). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | - | - |
| Afternoon (29 Apr) | 6ft (1.8m) | 14s |
| Evening (29 Apr) | 5.5ft (1.7m) | 13s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Warm (max 28°C on Sat morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | SSW 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 10 | S 9 | |
598 | 1208 | 1138 | 987 | 851 | 683 | 579 | 472 | 464 | 364 | 351 | 338 | 332 | 223 | 206 | 161 | 158 | 158 | 122 | 117 | 110 | 85 | 88 | 63 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | cross-off | cross | cross | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | |
High Tide | 1:15PM1.09m | 1:31AM1.03m | 1:47PM1.13m | 1:53AM1.04m | 2:20PM1.15m | 2:18AM1.04m | ||||||||||||||||||
Low Tide | 7:58PM0.16m | 8:07AM0.16m | 8:32PM0.19m | 8:36AM0.12m | 9:04PM0.24m | |||||||||||||||||||
 | |  |  | | |  |  |  | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | 5:30 |
— | — | — | — | — | — | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 25 |
29 | 27 | 29 | 28 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 25 | 26 | 26 | 27 | 25 | 26 | 27 | |
Swell 1 Height (m) Direction Period (s) | S 11 | S 14 | S 13 | S 13 | S 13 | S 12 | SSW 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 10 | S 9 |
 kJ | 388 | 1208 | 1138 | 987 | 851 | 683 | 579 | 472 | 464 | 364 | 351 | 338 | 332 | 223 | 206 | 161 | 158 | 158 | 122 | 117 | 110 | 85 | 88 | 63 |
Swell 2 Height (m) Direction Period (s) | S 14 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | ESE 9 | SE 5 | ESE 5 |
| kJ | 598 | 85 | 83 | 100 | 96 | 119 | 113 | 96 | 100 | 102 | 104 | 82 | 80 | 19 | 24 | 27 | 22 | 22 | 16 | 19 | 11 | 48 | 12 | 18 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | SE 6 | SSE 15 | SSE 5 | SSE 15 | SSE 15 | SSE 14 | SE 14 | E 7 | SE 14 | SE 13 | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 5 | ESE 9 | ESE 9 |
| kJ | 56 | — | 19 | 21 | 5 | 21 | 21 | 20 | 8 | 23 | 7 | 7 | — | 78 | 78 | 77 | 77 | 55 | 51 | 50 | 49 | 11 | 48 | 48 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SE 4 | SE 5 | — | SE 5 | — | — | — | ESE 5 | ESE 5 | — | NNE 2 | N 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 26 | — | 31 | — | — | — | 19 | 17 | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 20 | 20 | 20 | 20 | 20 | 20 | 0 | 59 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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