Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 1.5ft (0.4m), 12s period with S swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 1.5ft (0.5m), 12s period with S swell.
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.4m), 12s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 1PM is: 0.5m 12s primary swell from a South direction (forecast issued at 08:00am September 20). An open ocean swell of 1.4m 8s is not directed at the surf break, a second open ocean swell of 1.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 1.5ft (0.4m) | 12s |
| Afternoon (20 Sep) | 1.5ft (0.5m) | 12s |
| Evening (20 Sep) | 1.5ft (0.4m) | 12s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Tue night. Warm (max 33°C on Mon afternoon, min 21°C on Tue afternoon). Winds decreasing (fresh winds from the NNE on Sun night, calm by Tue night). | ||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||
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) | S 12 | S 12 | S 12 | S 12 | 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 | WSW 4 | WSW 5 | WSW 6 | SW 5 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 48 | 46 | 68 | 68 | 44 | 43 | 24 | 24 | 24 | 11 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 18 | 77 | 105 | 57 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-on | cross-off | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | on | on | on | on | glassy |
High Tide | 12:26PM0.86m | 11:44PM0.73m | 12:49PM0.96m | 00:16AM0.85m | 1:12PM1.04m | |||||||||||||||||
Low Tide | 4:13AM0.39m | 5:45PM0.56m | 5:29AM0.30m | 6:23PM0.47m | 6:19AM0.19m | 6:54PM0.38m | ||||||||||||||||
 | | |  |  | | |  |  | | | |  |  | | | | | |  |  |  | |
 | 5:48 | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — |
 | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 9 | 14 |
Temp °C | 20 | 22 | 23 | 24 | 23 | 23 | 24 | 23 | 23 | 26 | 31 | 33 | 31 | 28 | 28 | 26 | 26 | 22 | 23 | 22 | 21 | 21 |
Feels °C | 19 | 22 | 23 | 24 | 23 | 23 | 21 | 22 | 21 | 25 | 31 | 34 | 32 | 27 | 29 | 27 | 25 | 21 | 24 | 22 | 22 | 25 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ESE 8 | S 12 | S 12 | S 12 | 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 9 | E 9 |
| kJ | 287 | 259 | 232 | 68 | 44 | 43 | 355 | 286 | 206 | 172 | 145 | 142 | 120 | 120 | 99 | 103 | 127 | 133 | 140 | 116 | 119 | 94 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | SE 14 | SE 14 | SE 14 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | WNW 3 | WNW 3 | WNW 4 | S 10 | S 10 | S 10 | S 11 |
| kJ | 48 | 46 | 68 | 7 | 7 | 7 | 24 | 24 | 24 | 11 | 10 | 10 | 9 | 9 | 9 | 2 | 1 | 1 | 2 | 2 | 8 | 10 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | S 9 | — | — | — | — | SE 14 | — | — | — | — | — | — | E 14 | S 11 | S 10 | S 10 | S 12 | S 12 | S 12 | S 11 |
| kJ | 13 | 13 | 14 | — | — | — | — | 7 | — | — | — | — | — | — | 4 | 9 | 8 | 8 | 3 | 3 | 3 | 10 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | NNE 3 | NNE 4 | NNE 4 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 3 | N 3 | NNE 3 | NNE 3 | WSW 4 | WSW 5 | WSW 6 | SW 5 |
| kJ | 454 | 421 | 367 | 232 | 253 | 292 | 541 | 6 | 10 | 7 | 4 | 4 | 2 | 2 | 3 | 1 | 1 | 3 | 18 | 77 | 105 | 57 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 20 | 58 | 0 | 70 | 63 | 63 | 70 | 65 | 65 | 80 | 70 | 65 | 65 | 20 | 20 | 65 | 94 | 20 | 20 | 20 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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