Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.1m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 12s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 1ft (0.3m), 11s period with SSW swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 5AM is: 0.1m 12s primary swell from a Southeast direction (forecast issued at 08:00pm August 19). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 0.5ft (0.1m) | 12s |
| Afternoon (20 Aug) | 0.5ft (0.2m) | 12s |
| Evening (20 Aug) | 1ft (0.3m) | 11s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Warm (max 25°C on Thu night, min 19°C on Fri night). Winds increasing (calm on Wed night, fresh winds from the SW by Fri morning). | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 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) | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | S 12 | S 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | S 9 | SW 4 | SW 6 | SSW 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 11 | 24 | 24 | 38 | 34 | 32 | 45 | 37 | 165 | 262 | 271 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | cross-on | glassy | on | cross-on | cross-on | off | glassy | off | cross-off | cross-off | on | on | on | on | on |
High Tide | 5:51PM0.83m | 6:56AM0.77m | 6:25PM0.74m | 12:18PM0.75m | 7:38PM0.66m | |||||||||||||
Low Tide | 1:18AM0.40m | 2:30PM0.62m | 2:58AM0.42m | 4:47PM0.63m | ||||||||||||||
 | | | | |  | | | | | | | | |  | |  | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 | 22 | 22 | 23 | 24 | 25 | 25 | 22 | 20 | 20 | 20 |
Feels °C | 24 | 26 | 24 | 24 | 23 | 23 | 23 | 22 | 24 | 23 | 23 | 22 | 23 | 24 | 20 | 17 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 64 | 49 | 49 | 38 | 51 | 49 | 36 | 36 | 37 | 36 | 62 | 106 | 131 | 135 | 93 | 76 | 60 | 33 |
Swell 2 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | S 10 | SE 12 | SE 12 | SE 12 | — | S 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | S 9 | S 16 | S 15 | S 15 | S 15 |
| kJ | 7 | 7 | 7 | 2 | 6 | 6 | 6 | — | 24 | 24 | 38 | 34 | 32 | 45 | 5 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SE 13 | S 10 | S 10 | S 9 | S 12 | — | — | SW 4 | SW 6 | SW 5 | S 16 | — | — | — | S 14 |
| kJ | 2 | 2 | 2 | 6 | 2 | 2 | 2 | 11 | — | — | 1 | 1 | 1 | 5 | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 7 | — | — | — | NNE 3 | WSW 5 | SW 4 | SW 6 | SSW 7 | SSW 7 |
| kJ | — | — | — | — | — | — | — | — | 78 | — | — | — | 3 | 2 | 37 | 165 | 262 | 271 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 70 | 20 | 65 | 65 | 65 | 65 | 101 | 148 | 65 | 20 | 20 | 65 | 20 | 20 | 215 | 614 | 638 | 97 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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