
Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 10s period with SE swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.5m), 10s period with SE swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 7PM is: 0.5m 10s primary swell from a Southeast direction and 0.2m 14s secondary swell from a South direction (forecast issued at 02:00pm July 18). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 2ft (0.6m) | 10s |
| Evening (18 Jul) | 1.5ft (0.5m) | 10s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Mon afternoon, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | ||||||||||||||||||
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) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 8 | ESE 8 | S 16 | SE 10 | S 15 | S 15 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
Wave Graph | ||||||||||||||||||||
61 | 60 | 47 | 46 | 32 | 223 | 218 | 20 | 23 | 38 | 38 | 16 | 14 | 31 | 14 | 13 | 11 | 11 | 11 | 12 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | 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 | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 5:13PM0.93m | 5:01AM1.06m | 5:43PM0.89m | 5:45AM0.98m | 6:16PM0.85m | |||||||||||||||
Low Tide | 11:57AM0.12m | 00:07AM0.43m | 12:36PM0.24m | 00:44AM0.44m | 1:18PM0.36m | |||||||||||||||
— | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | |
— | 5:28 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 26 | 23 | 23 | 22 | 21 | 20 | 21 | 25 | 27 | 24 | 24 | 23 | 22 | 22 | 23 | 27 | 29 | 25 | 25 |
Feels °C | 22 | 24 | 22 | 22 | 19 | 18 | 18 | 19 | 24 | 25 | 23 | 22 | 21 | 20 | 20 | 21 | 25 | 27 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | SE 10 | E 7 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | S 15 | S 15 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 12 | S 12 | E 8 |
90 | 72 | 47 | 131 | 145 | 223 | 218 | 149 | 146 | 38 | 38 | 101 | 212 | 245 | 169 | 145 | 142 | 11 | 11 | 74 | |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | S 14 | SE 10 | SE 10 | S 13 | S 16 | SE 9 | SE 10 | SE 9 | SE 9 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 15 | S 15 | S 12 |
61 | 60 | 16 | 46 | 32 | 14 | 20 | 13 | 23 | 13 | 3 | 16 | 14 | 31 | 14 | 13 | 11 | 4 | 4 | 12 | |
Swell 3 Height (m) Direction Period (s) | S 15 | N 4 | S 11 | S 14 | S 18 | S 18 | S 13 | S 16 | S 15 | S 12 | S 9 | — | — | — | — | — | — | S 14 | — | — |
17 | 1 | 9 | 15 | 25 | 24 | 13 | 20 | 19 | 3 | 2 | — | — | — | — | — | — | 4 | — | — | |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | E 7 | — | NNE 3 | NNE 3 | N 3 | NNE 3 | NNE 3 | E 8 | E 8 | E 4 | — | — | N 3 | NNE 3 | NNE 3 | E 8 | E 8 | E 4 |
7 | 7 | 88 | — | 1 | 3 | 5 | 3 | 4 | 146 | 177 | 15 | — | — | 5 | 3 | 4 | 117 | 138 | 19 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 58 | 0 | 0 | 63 | 65 | 0 | 63 | 65 | 70 | 70 | 20 | 65 | 65 | 65 | 65 | 65 | 70 | 70 | 65 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)



