Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 1.5ft (0.5m), 10s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.4m), 10s period with SSE swell.
- Evening surf: Evening surf (18 Aug, local time) - 1ft (0.3m), 9s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 4AM is: 0.5m 10s primary swell from a South direction (forecast issued at 08:00pm August 17). An open ocean swell of 1.5m 8s is not directed at the surf break, a second open ocean swell of 1.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 1.5ft (0.5m) | 10s |
| Afternoon (18 Aug) | 1.5ft (0.4m) | 10s |
| Evening (18 Aug) | 1ft (0.3m) | 9s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 21°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||
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 7 | ESE 8 | ESE 8 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | ESE 7 | SE 13 | SE 13 |
Wave Graph  | ||||||||||||||||||
 kJ | 327 | 336 | 345 | 50 | 50 | 49 | 31 | 30 | 29 | 15 | 15 | 7 | 7 | 7 | 8 | 71 | 7 | 7 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | cross-off | off | cross-off | cross-off | glassy | glassy | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off |
High Tide | 4:55PM0.96m | 5:16AM1.00m | 5:22PM0.90m | 5:59AM0.89m | 5:51PM0.83m | |||||||||||||
Low Tide | 11:45PM0.32m | 12:18PM0.42m | 00:19AM0.35m | 1:00PM0.53m | ||||||||||||||
 | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 22 | 21 | 21 | 23 | 26 | 24 | 23 | 24 | 25 | 24 | 24 | 26 | 28 | 26 | 24 | 24 |
Feels °C | 22 | 22 | 22 | 21 | 21 | 23 | 26 | 24 | 25 | 26 | 26 | 24 | 24 | 26 | 27 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 11 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 7 | SSE 10 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | E 7 | E 7 |
| kJ | 110 | 336 | 345 | 308 | 227 | 191 | 159 | 30 | 109 | 109 | 112 | 134 | 131 | 109 | 86 | 71 | 66 | 64 |
Swell 2 Height (m) Direction Period (s) | — | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | — | SSE 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | SE 13 | S 10 |
| kJ | — | 106 | 75 | 50 | 50 | 49 | 31 | — | 29 | 15 | 15 | 7 | 7 | 7 | 8 | 2 | 7 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 9 | SE 9 | SE 9 | SSE 9 | — | — | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 13 | S 10 | SE 13 |
| kJ | — | — | — | 3 | 3 | 3 | 8 | — | — | 7 | 3 | 3 | 3 | 3 | 3 | 7 | 2 | 7 |
Wind waves Height (m) Direction Period (s) | ESE 7 | E 8 | E 8 | E 8 | — | NNE 3 | — | E 7 | E 7 | — | — | — | — | — | — | — | — | — |
| kJ | 327 | 549 | 577 | 431 | — | 1 | — | 134 | 181 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 59 | 0 | 0 | 20 | 63 | 20 | 65 | 97 | 20 | 65 | 65 | 65 | 65 | 20 | 158 | 0 | 70 | 20 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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