- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 Monday 18 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
23.5° 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 1AM is: 0.4m 14s primary swell from a South direction and 0.6m 9s secondary swell from a South direction, 1.0m 5s secondary swell from a Southwest direction (forecast issued at 08:00pm May 18). The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 5ft (1.6m) | 8s |
| Afternoon (19 May) | 6ft (1.8m) | 8s |
| Evening (19 May) | 4.5ft (1.3m) | 18s |
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 26mm), heaviest during Thu morning. Warm (max 22°C on Mon night, min 20°C on Wed night). Winds decreasing (fresh winds from the SW on Tue morning, calm by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | |||||||||||||||||||||
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 10 | S 10 | S 15 | S 14 | S 9 | SSW 8 | SSW 8 | SSW 8 | SSW 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 16 | |
90 | 66 | 67 | 63 | 81 | 343 | 402 | 383 | 327 | 1038 | 1485 | 2855 | 2753 | 2412 | 1772 | 1563 | 1304 | 1001 | 961 | 737 | 1492 | 1873 | 2251 | 2944 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 3:52PM1.11m | 3:18AM0.94m | 4:36PM1.02m | 3:53AM0.93m | 5:24PM0.91m | 4:33AM0.91m | ||||||||||||||||||
Low Tide | 11:02PM0.43m | 10:56AM0.06m | 11:52PM0.53m | 11:51AM0.11m | 00:45AM0.60m | 12:51PM0.18m | ||||||||||||||||||
 | | |  | |  | | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — |
 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:21 | — | — | — | — | — | — | — | 5:20 |
1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 3 | |
Temp °C | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 |
22 | 22 | 23 | 23 | 21 | 18 | 20 | 20 | 21 | 22 | 23 | 22 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 22 | 21 | 21 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | S 9 | S 13 | S 13 | S 15 | SSW 8 | S 8 | 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 16 |
 kJ | 90 | 65 | 64 | 62 | 81 | 55 | 51 | 104 | 327 | 316 | 1485 | 2855 | 2753 | 2412 | 1772 | 1563 | 1304 | 1001 | 961 | 737 | 1492 | 1873 | 2251 | 2944 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 14 | S 14 | S 16 | S 16 | S 20 | S 19 | S 18 | S 8 | SE 12 | SE 12 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | E 8 | S 16 | E 8 | E 8 | SE 5 | E 8 |
| kJ | 43 | 39 | 67 | 63 | 57 | 46 | 45 | 121 | 266 | 1038 | 307 | 6 | 6 | 63 | 54 | 49 | 39 | 23 | 5 | 330 | 4 | 4 | 13 | 5 |
Swell 3 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | S 16 | E 7 | S 21 | S 12 | S 15 | E 7 | SE 12 | — | — | — | E 8 | E 8 | E 8 | E 8 | — | — | E 8 | E 8 | E 8 | — |
| kJ | 4 | 4 | 4 | 4 | 46 | 4 | 36 | 11 | 157 | 1 | 6 | — | — | — | 5 | 5 | 1 | 5 | — | — | 4 | 4 | 5 | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 8 | SSW 8 | SSW 8 | — | — | — | — | — | — | — | — | — | — | SE 6 | SE 5 | SE 5 | — | — | SE 5 |
| kJ | 18 | 66 | 65 | 39 | 32 | 343 | 402 | 383 | — | — | — | — | — | — | — | — | — | — | 33 | 35 | 28 | — | — | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 65 | 20 | 20 | 65 | 93 | 90 | 97 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 0 | 20 | 97 | 20 | 97 | 97 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lopes Mendes (Ilha Grande) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest