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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 Thursday 30 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 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: 1.2m 11s primary swell from a South direction and 0.6m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm April 30). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | 4ft (1.2m) | 11s |
| Evening (30 Apr) | 4ft (1.2m) | 11s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 16mm), heaviest on Sun morning. Warm (max 28°C on Sat afternoon, min 21°C on Sun morning). Winds increasing (calm on Fri morning, fresh winds from the S by Sun morning). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 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 9 | S 9 | S 9 | S 12 | S 11 | S 11 | S 13 | S 13 | S 13 | S 6 | |
464 | 364 | 351 | 338 | 279 | 269 | 249 | 198 | 194 | 158 | 154 | 117 | 85 | 85 | 87 | 63 | 60 | 72 | 121 | 83 | 161 | 123 | 350 | 123 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | on | cross-on | cross-on | glassy | glassy | cross | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | glassy | off | cross-off | cross-on | cross-on | on | cross-on | |
High Tide | 1:47PM1.13m | 1:53AM1.04m | 2:20PM1.15m | 2:18AM1.04m | 2:53PM1.13m | 2:44AM1.02m | ||||||||||||||||||
Low Tide | 8:32PM0.19m | 8:36AM0.12m | 9:04PM0.24m | 9:04AM0.10m | 9:36PM0.30m | |||||||||||||||||||
 | |  |  | | | | | | |  | | | | | | | | | |  |  | |  | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — |
 | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | 5:29 |
— | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | |
Temp °C | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 25 | 27 | 27 | 28 | 27 | 26 | 25 | 24 | 23 |
26 | 25 | 26 | 27 | 26 | 26 | 26 | 28 | 26 | 26 | 26 | 26 | 27 | 25 | 25 | 27 | 29 | 29 | 29 | 28 | 27 | 26 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | 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 9 | S 9 | S 9 | S 12 | S 11 | E 9 | S 13 | S 13 | E 9 | S 13 |
 kJ | 464 | 364 | 351 | 338 | 279 | 269 | 249 | 198 | 194 | 158 | 154 | 117 | 85 | 85 | 87 | 63 | 60 | 72 | 121 | 60 | 161 | 123 | 41 | 123 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | S 11 | ESE 9 | E 9 | S 11 | E 9 |
| kJ | 100 | 102 | 80 | 82 | 80 | 78 | 78 | 77 | 56 | 55 | 51 | 49 | 48 | 48 | 48 | 48 | 48 | 43 | 42 | 83 | 65 | 59 | 10 | 41 |
Swell 3 Height (m) Direction Period (s) | SE 14 | — | SE 14 | SE 13 | — | — | — | — | — | SE 13 | SE 13 | — | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | S 9 | ESE 5 | S 13 | S 10 | SE 6 | SE 6 | S 12 |
| kJ | 8 | — | 7 | 7 | — | — | — | — | — | 7 | 6 | — | 10 | 11 | 12 | 12 | 13 | 40 | 11 | 55 | 7 | 5 | 1 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SE 4 | SE 4 | SE 4 | ESE 4 | ESE 5 | — | NNE 2 | — | — | — | — | — | SW 2 | S 13 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | 5 | 10 | 9 | 16 | 17 | — | 1 | — | — | — | — | — | 1 | 350 | 108 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 59 | 148 | 97 | 20 | 20 | 20 | 0 | 0 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 0 | 0 | 58 | 20 | 97 | 20 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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