Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 2.5ft (0.7m), 9s period with S swell.
- Evening surf: Evening surf (19 Sep, local time) - 2ft (0.6m), 9s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 3AM is: 1.6m 6s primary swell from a East-southeast direction and 0.9m 10s secondary swell from a South direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 2.5ft (0.8m) | 10s |
| Afternoon (19 Sep) | 2.5ft (0.7m) | 9s |
| Evening (19 Sep) | 2ft (0.6m) | 9s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Warm (max 32°C on Mon afternoon, min 19°C on Fri night). Winds decreasing (fresh winds from the E on Sat afternoon, calm by Sun morning). | ||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||
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 6 | S 10 | S 10 | ESE 6 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 280 | 206 | 212 | 188 | 156 | 121 | 116 | 85 | 83 | 60 | 58 | 49 | 48 | 46 | 100 | 68 | 43 | 42 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | glassy | on | on | cross-on |
High Tide | 5:35PM0.76m | 12:03PM0.77m | 6:33PM0.66m | 12:26PM0.86m | ||||||||||||||
Low Tide | 2:20AM0.42m | 4:17PM0.64m | 4:13AM0.39m | 5:45PM0.56m | ||||||||||||||
 | |  |  |  |  | | | | | | | | |  | |  |  | |
 | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 20 | 20 | 20 | 19 | 20 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 20 | 22 | 25 | 24 | 22 | 22 |
Feels °C | 16 | 17 | 18 | 17 | 18 | 20 | 18 | 19 | 17 | 19 | 19 | 19 | 17 | 20 | 27 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 12 | S 12 | S 12 | S 12 | S 12 | E 8 |
| kJ | 264 | 206 | 198 | 158 | 156 | 121 | 116 | 85 | 83 | 60 | 58 | 41 | 48 | 46 | 69 | 68 | 43 | 341 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 | S 8 | S 8 | S 12 | — | — | S 12 |
| kJ | — | — | — | — | 5 | 5 | 4 | 4 | 14 | 14 | 30 | 49 | 13 | 13 | 100 | — | — | 42 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 15 | — | S 14 | — | — | S 13 | S 13 | S 9 | SSW 9 | SSW 9 | — | — | — | — |
| kJ | — | — | — | — | 5 | — | 4 | — | — | 31 | 30 | 23 | 8 | 8 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | — |
| kJ | 280 | 273 | 212 | 188 | 165 | 165 | 165 | 265 | 414 | 400 | 387 | 352 | 358 | 368 | 355 | 286 | 286 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 59 | 59 | 59 | 58 | 0 | 0 | 59 | 59 | 59 | 58 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 65 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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