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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 am Monday 27 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
24.2° 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 6AM is: 0.5m 10s primary swell from a South direction (forecast issued at 02:00am April 27). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 1.5ft (0.5m) | 9s |
| Afternoon (27 Apr) | 1.5ft (0.4m) | 9s |
| Evening (27 Apr) | 1.5ft (0.5m) | 9s |
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 4mm), mostly falling on Mon night. Warm (max 25°C on Mon morning, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 10 | S 10 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 6 | S 8 | S 5 | S 6 | S 6 | S 11 | SSW 11 | SSW 10 | SSW 13 | S 12 | SSW 12 | S 16 | S 14 | SSW 14 | S 13 | S 13 | |
70 | 48 | 47 | 47 | 26 | 26 | 82 | 44 | 14 | 34 | 31 | 38 | 49 | 89 | 297 | 501 | 980 | 870 | 755 | 575 | 1354 | 1251 | 1138 | 1003 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | glassy | glassy | cross-on | cross-on | glassy | glassy | |
High Tide | 12:10PM0.94m | 1:04AM0.98m | 12:42PM1.03m | 1:13AM1.01m | 1:15PM1.09m | |||||||||||||||||||
Low Tide | 6:27AM0.41m | 6:42PM0.16m | 7:03AM0.31m | 7:22PM0.15m | 7:36AM0.23m | 7:58PM0.16m | ||||||||||||||||||
 | | |  | | |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — |
 | — | — | — | — | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — |
— | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 |
27 | 28 | 25 | 28 | 27 | 27 | 28 | 29 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 26 | 26 | 26 | 27 | 28 | 27 | 28 | 28 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSW 9 | SSW 9 | E 7 | E 7 | SSW 9 | E 8 | S 8 | S 5 | S 6 | S 6 | S 11 | SSW 11 | SSW 10 | SSW 13 | S 12 | SSW 12 | SSW 12 | S 14 | SSW 14 | S 13 | S 13 |
 kJ | 70 | 48 | 47 | 47 | 26 | 27 | 27 | 44 | 29 | 34 | 16 | 38 | 49 | 89 | 297 | 501 | 980 | 870 | 755 | 541 | 1354 | 1251 | 1138 | 1003 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | E 8 | E 8 | E 8 | SSW 6 | SSW 6 | E 7 | SSW 6 | E 8 | E 7 | E 8 | SE 9 | SE 9 | SE 9 | ESE 4 | ESE 8 | ESE 8 | S 17 | S 16 | ESE 10 | ESE 10 | ESE 10 | ESE 9 |
| kJ | 18 | 10 | 10 | 18 | 18 | 16 | 14 | 28 | 10 | 29 | 17 | 10 | 21 | 21 | 21 | 12 | 57 | 41 | 148 | 575 | 100 | 148 | 105 | 96 |
Swell 3 Height (m) Direction Period (s) | SE 6 | E 3 | E 4 | SE 6 | SSW 7 | SSW 9 | SSW 9 | SSE 11 | SSW 8 | SSE 10 | SSE 10 | ESE 9 | E 8 | SSE 10 | E 8 | ESE 9 | S 9 | SE 4 | ESE 8 | ESE 8 | ESE 10 | SSE 6 | SSE 6 | SE 15 |
| kJ | 1 | 2 | 2 | 2 | 9 | 26 | 16 | 22 | 14 | 21 | 20 | 15 | 10 | 9 | 10 | 32 | 2 | 4 | 41 | 22 | 100 | 7 | 3 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 3 | NE 3 | — | W 2 | W 3 | WSW 3 | SSW 9 | — | — | S 4 | S 5 | — | — | SSE 5 | SE 5 | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | 1 | 1 | 1 | 82 | — | — | 8 | 31 | — | — | 47 | 23 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 20 | 20 | 63 | 65 | 234 | 148 | 80 | 68 | 20 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 20 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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