Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 5s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 5.5ft (1.7m), 7s period with SSW swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 7PM is: 1.6m 6s primary swell from a South-southwest direction and 0.1m 15s secondary swell from a South direction (forecast issued at 02:00pm August 21). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 5s |
| Evening (21 Aug) | 5.5ft (1.7m) | 7s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun night. Warm (max 20°C on Fri afternoon, min 18°C on Sat night). Winds decreasing (fresh winds from the SW on Fri afternoon, light winds from the S by Sat morning). | ||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||
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) | SW 9 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 10 | S 10 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 84 | 83 | 202 | 248 | 251 | 283 | 316 | 710 | 865 | 831 | 707 | 610 | 610 | 596 | 575 | 500 | 490 | 490 | 530 | 606 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:18PM0.75m | 7:38PM0.66m | 12:49PM0.85m | 11:56PM0.71m | 1:15PM0.94m | |||||||||||||||
Low Tide | 4:47PM0.63m | 4:46AM0.39m | 6:21PM0.55m | 6:02AM0.30m | 7:01PM0.47m | |||||||||||||||
 |  |  | | | |  | | | | | | |  |  | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — |
 | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:43 | — | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 |
Temp °C | 23 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 19 |
Feels °C | 20 | 16 | 16 | 17 | 17 | 17 | 17 | 19 | 19 | 18 | 18 | 19 | 18 | 17 | 17 | 19 | 19 | 20 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 8 | SSW 10 | S 10 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 |
| kJ | 90 | 74 | 44 | 49 | 35 | 22 | 316 | 710 | 865 | 831 | 707 | 610 | 610 | 596 | 575 | 500 | 490 | 490 | 530 | 606 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | SSW 12 | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 5 | 4 | 4 | 4 | 4 | 4 | 47 | 12 | 11 | 4 | 4 | 4 | 4 | 9 | 4 | 5 | 5 | 5 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | S 15 | — | — | — | — | S 14 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | — | — | — | — | 4 | 12 | 20 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 9 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 8 | — | — | — | — | — | — | — | — | — | E 7 | E 3 | ESE 3 | ESE 4 | ESE 4 |
| kJ | 84 | 83 | 202 | 248 | 251 | 283 | — | — | — | — | — | — | — | — | — | 4 | 5 | 7 | 13 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 614 | 220 | 638 | 97 | 90 | 20 | 20 | 20 | 59 | 176 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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