Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (20 Aug):
- 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 6PM is: 0.3m 12s primary swell from a South direction (forecast issued at 02:00pm August 20). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| 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 5mm), mostly falling on Sat morning. Warm (max 27°C on Fri morning, min 18°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the SW by Fri afternoon). | ||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||||
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 | |
Wave Height (m) Direction Period (s) | SE 12 | S 12 | S 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | S 9 | SW 9 | SW 6 | SW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | S 9 | S 9 | SSW 11 | SSW 10 | SSW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 6 | 11 | 24 | 24 | 38 | 34 | 32 | 45 | 99 | 157 | 230 | 262 | 258 | 231 | 273 | 506 | 627 | 831 | 735 | 610 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | glassy | off | cross-off | cross-off | glassy | on | on | on | on | on | on | on | cross-on | cross-on | glassy | cross | cross |
High Tide | 6:25PM0.74m | 12:18PM0.75m | 7:38PM0.66m | 12:49PM0.85m | ||||||||||||||||
Low Tide | 2:30PM0.62m | 2:58AM0.42m | 4:47PM0.63m | 4:46AM0.39m | 6:21PM0.55m | |||||||||||||||
 | |  | | | | | |  | |  | | | | |  | |  | |  | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 |
Temp °C | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 27 | 22 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 |
Feels °C | 23 | 23 | 23 | 24 | 22 | 22 | 22 | 26 | 20 | 16 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 18 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 7 | SSW 8 | S 9 | S 9 | SSW 11 | SSW 10 | SSW 10 |
| kJ | 48 | 36 | 36 | 36 | 61 | 127 | 156 | 111 | 93 | 74 | 61 | 50 | 35 | 231 | 273 | 506 | 627 | 831 | 735 | 610 |
Swell 2 Height (m) Direction Period (s) | SE 12 | S 12 | S 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | S 9 | S 16 | S 15 | S 15 | S 15 | S 14 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 |
| kJ | 6 | 11 | 24 | 24 | 38 | 34 | 32 | 45 | 5 | 4 | 4 | 4 | 4 | 21 | 12 | 11 | 11 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | S 9 | SE 12 | SE 12 | SE 11 | SE 11 | SW 6 | SW 5 | S 16 | — | — | S 15 | — | S 14 | S 14 | S 11 | — | — | — | — | — |
| kJ | 2 | 5 | 5 | 5 | 5 | 1 | 1 | 5 | — | — | 4 | — | 4 | 4 | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | N 3 | — | SW 9 | SW 6 | SW 6 | SSW 7 | SSW 7 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | — | 99 | 157 | 230 | 262 | 258 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 148 | 162 | 70 | 20 | 20 | 65 | 20 | 20 | 614 | 602 | 97 | 97 | 90 | 20 | 20 | 20 | 59 | 0 | 20 | 20 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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