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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 Tuesday 19 May 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
23.2° 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 5AM is: 2.3m 16s primary swell from a South direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00pm May 19). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 7.5ft (2.3m) | 15s |
| Afternoon (20 May) | 7ft (2.1m) | 14s |
| Evening (20 May) | 6ft (1.9m) | 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 ForecastHeavy rain (total 25mm), heaviest during Thu morning. Warm (max 22°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
S 8 | S 18 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 15 | S 15 | S 15 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 14 | |
266 | 1038 | 1485 | 2627 | 2753 | 2215 | 1945 | 1723 | 1294 | 1237 | 961 | 835 | 1488 | 1695 | 2396 | 3144 | 3434 | 3131 | 3009 | 2927 | 2639 | 2528 | 1475 | 2581 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | |
High Tide | 4:36PM1.02m | 3:53AM0.93m | 5:24PM0.91m | 4:33AM0.91m | 6:23PM0.82m | 9:54PM0.82m | 5:22AM0.88m | |||||||||||||||||
Low Tide | 11:52PM0.53m | 11:51AM0.11m | 00:45AM0.60m | 12:51PM0.18m | 8:08PM0.80m | 1:42AM0.64m | 1:57PM0.23m | |||||||||||||||||
 |  | | | |  |  | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — |
 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 |
— | 1 | — | — | 1 | 1 | — | — | 1 | 1 | 2 | 3 | 3 | 3 | 4 | 2 | 1 | 1 | 1 | — | — | — | — | — | |
Temp °C | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 |
22 | 21 | 22 | 22 | 22 | 22 | 21 | 22 | 23 | 22 | 23 | 21 | 21 | 21 | 19 | 19 | 20 | 20 | 21 | 21 | 20 | 21 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 19 | S 18 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 15 | S 15 | S 15 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 14 |
 kJ | 266 | 1038 | 1485 | 2627 | 2753 | 2215 | 1945 | 1723 | 1294 | 1237 | 961 | 835 | 1488 | 1695 | 2396 | 3144 | 3434 | 3131 | 3009 | 2927 | 2639 | 2528 | 1475 | 2581 |
Swell 2 Height (m) Direction Period (s) | S 15 | SSE 8 | SSW 8 | SE 12 | SE 12 | — | — | E 8 | E 8 | E 8 | E 8 | S 16 | E 8 | SE 5 | ESE 5 | E 8 | E 8 | E 8 | — | E 8 | E 8 | E 8 | S 16 | E 9 |
| kJ | 157 | 58 | 245 | 6 | 6 | — | — | 5 | 5 | 5 | 5 | 330 | 5 | 8 | 5 | 5 | 5 | 5 | — | 5 | 5 | 6 | 940 | 6 |
Swell 3 Height (m) Direction Period (s) | S 12 | E 7 | SE 12 | — | — | — | — | — | SE 11 | — | — | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | E 9 | — |
| kJ | 45 | 1 | 6 | — | — | — | — | — | 5 | — | — | 5 | 5 | 5 | — | — | — | — | — | — | — | — | 6 | — |
Wind waves Height (m) Direction Period (s) | S 8 | SSW 8 | — | — | — | — | — | — | — | — | SSE 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 265 | 188 | — | — | — | — | — | — | — | — | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 71 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 97 | 97 | 97 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 58 |
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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