
Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 5.5ft (1.7m), 10s period with S swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 5ft (1.6m), 10s period with S swell.
- Evening surf: Evening surf (20 Oct, local time) - 5ft (1.5m), 10s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 2AM is: 1.7m 10s primary swell from a South direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 08:00pm October 19). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 5.5ft (1.7m) | 10s |
| Afternoon (20 Oct) | 5ft (1.6m) | 10s |
| Evening (20 Oct) | 5ft (1.5m) | 10s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 22°C on Thu afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 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 | |
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 11 | S 11 | S 11 |
Wave Graph | ||||||||||||||||||
748 | 734 | 608 | 584 | 563 | 575 | 524 | 535 | 459 | 450 | 379 | 379 | 326 | 326 | 385 | 338 | 338 | 326 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | cross-off | cross-off | cross | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:49PM0.74m | 12:08PM0.94m | 11:35PM0.85m | 12:34PM1.02m | ||||||||||||||
Low Tide | 4:34PM0.56m | 4:39AM0.29m | 5:28PM0.47m | 5:34AM0.20m | 6:10PM0.37m | |||||||||||||
— | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | |
6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 21 | 20 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 |
Feels °C | 20 | 20 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 21 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 11 | S 11 | S 11 |
748 | 734 | 608 | 584 | 563 | 575 | 524 | 535 | 459 | 450 | 379 | 379 | 326 | 326 | 385 | 338 | 338 | 326 | |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | S 18 | S 18 | S 18 |
44 | 42 | 28 | 27 | 23 | 23 | 13 | 38 | 37 | 33 | 27 | 26 | 26 | 15 | 14 | 6 | 6 | 6 | |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SE 10 | — | SE 10 | SE 11 | SE 11 | SE 10 | — | — | — | S 20 | S 20 | S 19 | S 18 | S 18 | — | — | — |
10 | 4 | — | 4 | 18 | 29 | 27 | — | — | — | 7 | 7 | 7 | 7 | 6 | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 3 | — | ESE 8 | ESE 4 | ESE 5 | ESE 5 |
— | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 73 | 37 | 63 | 64 | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 71 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 59 | 59 |
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)



