Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 0.5ft (0.2m), 12s period with S swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 2AM is: 0.3m 12s primary swell from a South direction (forecast issued at 08:00pm September 20). An open ocean swell of 1.4m 8s is not directed at the surf break, a second open ocean swell of 0.7m 4s 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 Sep) | 0.5ft (0.2m) | 12s |
| Afternoon (21 Sep) | 0.5ft (0.2m) | 11s |
| Evening (21 Sep) | 0.5ft (0.2m) | 11s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Tue night. Warm (max 31°C on Mon afternoon, min 19°C on Wed afternoon). Mainly fresh winds. | ||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||
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) | ESE 8 | ESE 8 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | W 3 | WSW 5 | SW 5 | SW 5 |
Wave Graph  | ||||||||||||||||||
 kJ | 202 | 202 | 24 | 24 | 24 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 10 | 64 | 53 | 49 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | on | cross-on | on | on | cross-on |
High Tide | 11:44PM0.73m | 12:49PM0.96m | 00:16AM0.85m | 1:12PM1.04m | ||||||||||||||
Low Tide | 5:45PM0.56m | 5:29AM0.30m | 6:23PM0.47m | 6:19AM0.19m | 6:54PM0.38m | |||||||||||||
 | | | |  |  |  | |  | | |  | | | |  | | | |
 | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 1 | 3 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 5 |
Temp °C | 23 | 22 | 21 | 23 | 23 | 25 | 30 | 31 | 30 | 29 | 28 | 26 | 26 | 25 | 22 | 22 | 22 | 21 |
Feels °C | 25 | 25 | 22 | 20 | 22 | 25 | 30 | 32 | 30 | 28 | 27 | 26 | 26 | 24 | 21 | 22 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 202 | 202 | 232 | 233 | 196 | 135 | 90 | 90 | 72 | 74 | 95 | 124 | 153 | 127 | 133 | 113 | 116 | 92 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 |
| kJ | 44 | 42 | 24 | 24 | 24 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 2 | 2 | 8 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 14 | — | SE 14 | SE 14 | WNW 4 | WNW 4 | WNW 4 | — | — | — | E 15 | WNW 3 | — | S 12 | S 12 | S 12 | S 12 | S 11 |
| kJ | 7 | — | 7 | 7 | 1 | 1 | 1 | — | — | — | 4 | 1 | — | 3 | 3 | 3 | 3 | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNE 4 | NNE 4 | NNE 4 | NNE 3 | NNE 3 | NNE 3 | NE 2 | NNE 3 | — | N 3 | NNW 3 | W 3 | WSW 5 | SW 5 | SW 5 |
| kJ | — | — | — | 13 | 11 | 4 | 3 | 2 | 1 | 1 | 1 | — | 4 | 3 | 10 | 64 | 53 | 49 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 63 | 68 | 70 | 65 | 65 | 70 | 70 | 65 | 65 | 65 | 65 | 65 | 97 | 72 | 20 | 97 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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