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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 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 5AM is: 0.3m 10s primary swell from a South-southeast direction and 0.4m 4s secondary swell from a South direction (forecast issued at 02:00pm April 27). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 1.5ft (0.4m) | 9s |
| Afternoon (28 Apr) | 2.5ft (0.7m) | 12s |
| Evening (28 Apr) | 5.5ft (1.7m) | 10s |
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 26°C on Mon afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 6 | S 8 | SSE 10 | SE 9 | SSW 10 | SSW 12 | S 11 | S 10 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 12 | S 12 | SSW 12 | |
26 | 26 | 16 | 44 | 14 | 34 | 20 | 19 | 19 | 137 | 466 | 620 | 980 | 692 | 579 | 408 | 598 | 1081 | 1018 | 1003 | 865 | 608 | 488 | 494 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | off | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | off | cross-off | on | cross-on | on | |
High Tide | 12:10PM0.94m | 1:04AM0.98m | 12:42PM1.03m | 1:13AM1.01m | 1:15PM1.09m | 1:31AM1.03m | ||||||||||||||||||
Low Tide | 6:42PM0.16m | 7:03AM0.31m | 7:22PM0.15m | 7:36AM0.23m | 7:58PM0.16m | 8:07AM0.16m | ||||||||||||||||||
 | |  |  | |  | | | | |  | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — |
 | — | 5:32 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | 5:30 |
— | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 |
28 | 30 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 26 | 29 | 27 | 26 | 29 | 27 | 27 | 24 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | SSW 9 | E 7 | E 7 | E 7 | E 8 | S 8 | E 7 | SSE 4 | SSE 4 | SSW 12 | S 11 | S 10 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | S 14 | S 14 | S 13 | S 13 | S 13 | SSW 12 | S 12 | SSW 12 |
 kJ | 26 | 26 | 39 | 40 | 41 | 34 | 27 | 6 | 7 | 137 | 466 | 620 | 980 | 692 | 579 | 408 | 598 | 1081 | 1018 | 1003 | 865 | 608 | 488 | 494 |
Swell 2 Height (m) Direction Period (s) | E 7 | SW 6 | SW 6 | SSW 9 | SSW 6 | E 8 | S 4 | E 8 | E 8 | SE 9 | ESE 9 | SE 9 | SE 6 | SE 6 | SE 6 | S 16 | SSW 11 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 17 | 10 | 9 | 44 | 10 | 29 | 5 | 18 | 10 | 21 | 32 | 20 | 58 | 66 | 58 | 309 | 292 | 168 | 136 | 143 | 116 | 108 | 135 | 115 |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SSW 9 | SSW 9 | SSE 11 | SSW 8 | SSE 10 | SSE 10 | SE 9 | SSW 10 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | SE 6 | SE 6 | — | — | SSE 15 | SE 15 | SSE 15 | SE 15 | SSE 14 |
| kJ | 12 | 26 | 16 | 22 | 14 | 20 | 20 | 19 | 19 | 10 | 10 | 10 | 40 | 38 | 28 | 58 | 40 | — | — | 21 | 8 | 21 | 8 | 20 |
Wind waves Height (m) Direction Period (s) | SSW 7 | WSW 2 | — | S 4 | S 4 | S 4 | — | — | — | SE 4 | — | ESE 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 17 | 1 | — | 7 | 8 | 6 | — | — | — | 6 | — | 20 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 162 | 63 | 65 | 109 | 141 | 70 | 70 | 77 | 58 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 20 | 0 | 0 | 0 | 63 | 20 | 20 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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