Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.4m), 5s period with SW 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 6AM is: 0.4m 10s primary swell from a South-southwest direction (forecast issued at 02:00am August 21). An open ocean swell of 1.1m 7s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (21 Aug) | 4.5ft (1.4m) | 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 ForecastLight rain (total 9mm), mostly falling on Sun night. Warm (max 27°C on Fri morning, min 18°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Wave Height (m) Direction Period (s) | SSW 11 | SSW 10 | SSW 10 | S 9 | SW 9 | SW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 38 | 34 | 32 | 45 | 84 | 110 | 232 | 301 | 286 | 256 | 273 | 602 | 784 | 831 | 707 | 610 | 610 | 544 | 575 | 500 | 500 | 450 | 541 | 617 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | glassy | on | on | on | on | on | on | on | 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 | 2:58AM0.42m | 4:47PM0.63m | 4:46AM0.39m | 6:21PM0.55m | 6:02AM0.30m | 7:01PM0.47m | ||||||||||||||||||
 | | |  |  | |  | | | | | | | |  | | | | | |  | | |  | |
 | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — |
 | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:43 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 23 | 25 | 25 | 27 | 22 | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 |
Feels °C | 22 | 22 | 23 | 26 | 19 | 16 | 16 | 16 | 17 | 17 | 18 | 19 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 18 | 20 | 20 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 8 | SSW 8 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 |
| kJ | 62 | 124 | 127 | 88 | 90 | 55 | 43 | 47 | 34 | 256 | 273 | 602 | 784 | 831 | 707 | 610 | 610 | 544 | 575 | 500 | 500 | 450 | 541 | 617 |
Swell 2 Height (m) Direction Period (s) | 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 | E 7 | — | E 7 | E 8 | E 8 | E 8 | — | E 7 |
| kJ | 38 | 34 | 32 | 45 | 5 | 4 | 4 | 4 | 4 | 21 | 12 | 11 | 11 | 4 | 4 | 4 | 4 | — | 4 | 5 | 5 | 5 | — | 4 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SW 6 | SW 5 | WNW 3 | S 11 | — | — | — | — | S 14 | SSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 1 | 1 | 1 | 2 | — | — | — | — | 4 | 27 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | N 3 | SW 9 | SW 5 | SSW 6 | SSW 7 | SSW 7 | — | — | — | — | — | — | — | — | ESE 3 | — | E 7 | E 7 | ESE 4 | ESE 4 | ESE 4 |
| kJ | — | — | 1 | 1 | 84 | 110 | 232 | 301 | 286 | — | — | — | — | — | — | — | — | 3 | — | 4 | 4 | 7 | 17 | 32 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 65 | 63 | 20 | 226 | 603 | 290 | 90 | 90 | 20 | 20 | 20 | 71 | 59 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
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