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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 am Monday 25 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
23.0° 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 11AM is: 1.2m 10s primary swell from a South direction (forecast issued at 08:00am May 25). An open ocean swell of 0.2m 5s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 4ft (1.2m) | 11s |
| Afternoon (25 May) | 4.5ft (1.3m) | 10s |
| Evening (25 May) | 2.5ft (0.8m) | 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 ForecastModerate rain (total 10mm), heaviest on Tue night. Warm (max 22°C on Mon afternoon, min 20°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the SW by Wed afternoon). | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
S 11 | S 11 | S 10 | SSW 10 | S 9 | SSE 18 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | SSE 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SSW 6 | SSW 8 | |
272 | 326 | 302 | 328 | 293 | 408 | 675 | 1004 | 1225 | 1225 | 1484 | 960 | 1179 | 760 | 630 | 493 | 407 | 336 | 273 | 255 | 192 | 149 | 211 | 463 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | glassy | glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | glassy | on | on | on | on | on | on | on | |
High Tide | 10:20AM0.83m | 11:52PM0.86m | 11:32AM0.90m | 00:04AM0.89m | 12:19PM0.96m | 00:27AM0.92m | ||||||||||||||||||
Low Tide | 4:47AM0.50m | 5:12PM0.30m | 5:38AM0.41m | 6:05PM0.30m | 6:23AM0.31m | 6:51PM0.30m | ||||||||||||||||||
 |  |  | |  |  | |  | |  |  | | | | | |  | | |  | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | 6:28 |
 | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | — | — | — | — | 5:19 | — | — | — | 5:17 |
1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | 3 | — | — | — | — | — | 1 | 2 | 1 | 1 | — | |
Temp °C | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 20 |
22 | 21 | 21 | 23 | 23 | 24 | 24 | 23 | 23 | 22 | 23 | 22 | 23 | 23 | 25 | 24 | 25 | 22 | 21 | 20 | 18 | 19 | 18 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 11 | E 5 | E 5 | SSW 10 | S 9 | S 9 | S 8 | S 16 | S 16 | S 15 | S 14 | S 14 | SSE 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 |
 kJ | 272 | 2 | 2 | 328 | 293 | 247 | 204 | 1004 | 1225 | 1225 | 1484 | 960 | 1179 | 760 | 630 | 493 | 407 | 336 | 273 | 255 | 192 | 149 | 114 | 85 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | SSE 19 | S 18 | SSE 18 | S 17 | S 8 | S 8 | SSE 8 | E 8 | SSE 8 | SE 12 | E 8 | SSE 8 | E 4 | E 5 | E 5 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | E 7 |
| kJ | 1 | 1 | 1 | 72 | 167 | 408 | 675 | 191 | 134 | 105 | 5 | 100 | 5 | 5 | 56 | 15 | 11 | 13 | 28 | 20 | 14 | 14 | 8 | 4 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | S 20 | E 4 | E 4 | E 8 | S 10 | S 10 | E 8 | E 12 | SE 12 | SE 12 | E 12 | SE 11 | E 8 | SSE 8 | SE 8 | SE 8 | E 5 | E 8 | E 8 | E 7 | E 7 | SE 8 |
| kJ | 5 | 5 | 8 | 2 | 2 | 5 | 74 | 45 | 5 | 11 | 6 | 5 | 3 | 5 | 5 | 39 | 28 | 28 | 8 | 10 | 10 | 10 | 10 | 2 |
Wind waves Height (m) Direction Period (s) | — | S 11 | S 10 | — | — | — | — | — | — | — | — | E 8 | E 8 | ESE 8 | E 4 | E 5 | — | — | SW 3 | SW 5 | SW 5 | SW 6 | SSW 6 | SSW 8 |
| kJ | — | 326 | 302 | — | — | — | — | — | — | — | — | 5 | 5 | 76 | 12 | 27 | — | — | 9 | 63 | 106 | 128 | 211 | 463 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 65 | 97 | 97 | 20 | 20 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 59 | 0 | 0 | 0 | 0 | 63 | 215 | 508 | 90 | 71 |
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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