
Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 0.5ft (0.2m), 13s period with S swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 0.5ft (0.2m), 12s period with S swell.
- Evening surf: Evening surf (20 Jul, local time) - 0.5ft (0.2m), 12s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 4AM is: 0.3m 13s primary swell from a South direction (forecast issued at 08:00pm July 19). An open ocean swell of 1.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 0.5ft (0.2m) | 13s |
| Afternoon (20 Jul) | 0.5ft (0.2m) | 12s |
| Evening (20 Jul) | 0.5ft (0.2m) | 12s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 32°C on Wed afternoon, min 22°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | ||||||||||||||||
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 15 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 |
Wave Graph | ||||||||||||||||||
38 | 16 | 14 | 31 | 14 | 13 | 11 | 11 | 11 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 9 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 5:43PM0.89m | 5:45AM0.98m | 6:16PM0.85m | 6:36AM0.88m | 6:55PM0.80m | |||||||||||||
Low Tide | 00:44AM0.44m | 1:18PM0.36m | 1:30AM0.44m | 2:10PM0.47m | ||||||||||||||
— | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | |
— | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 23 | 22 | 22 | 23 | 26 | 28 | 24 | 24 | 23 | 23 | 22 | 24 | 28 | 30 | 24 | 24 |
Feels °C | 22 | 23 | 21 | 21 | 21 | 21 | 24 | 26 | 23 | 24 | 22 | 22 | 20 | 22 | 26 | 27 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | S 15 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | S 12 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 11 | E 8 |
38 | 168 | 245 | 251 | 172 | 169 | 142 | 11 | 11 | 74 | 138 | 177 | 173 | 138 | 114 | 95 | 9 | 78 | |
Swell 2 Height (m) Direction Period (s) | ESE 9 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 15 | S 15 | S 12 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | — | S 11 |
8 | 16 | 14 | 31 | 14 | 13 | 11 | 4 | 4 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | — | 9 | |
Swell 3 Height (m) Direction Period (s) | S 9 | — | — | — | — | S 16 | — | — | — | — | — | — | — | — | — | — | — | — |
2 | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | NNE 3 | NNE 3 | E 8 | E 8 | E 4 | — | — | NNE 3 | N 3 | NNE 3 | — | E 8 | E 4 |
145 | 357 | — | — | — | 3 | 2 | 114 | 138 | 20 | — | — | 3 | 5 | 2 | — | 98 | 13 | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 70 | 20 | 20 | 20 | 65 | 65 | 65 | 70 | 70 | 65 | 20 | 65 | 65 | 65 | 65 | 70 | 70 | 65 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)



