Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2.5ft (0.7m), 12s period with S swell.
- Evening surf: Evening surf (16 Sep, local time) - 4.5ft (1.4m), 12s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 2AM is: 0.9m 8s primary swell from a South direction and 0.7m 6s secondary swell from a South-southwest direction (forecast issued at 08:00pm September 15). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (16 Sep) | 2.5ft (0.7m) | 12s |
| Evening (16 Sep) | 4.5ft (1.4m) | 12s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Tue night. Warm (max 20°C on Fri morning, min 18°C on Tue night). Winds increasing (light winds from the SW on Tue night, fresh winds from the E by Fri afternoon). | ||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||
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 9 | S 9 | S 9 | S 8 | S 9 | S 10 | S 13 | S 12 | S 12 | S 12 | S 11 | S 11 | S 9 | S 9 | S 10 | S 12 | S 11 | S 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 140 | 134 | 162 | 115 | 189 | 202 | 161 | 143 | 469 | 529 | 610 | 577 | 399 | 340 | 361 | 690 | 517 | 400 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:14PM0.99m | 4:50AM1.00m | 4:39PM0.92m | 5:29AM0.89m | 5:05PM0.84m | |||||||||||||
Low Tide | 10:56PM0.24m | 11:27AM0.47m | 11:24PM0.29m | 12:01PM0.57m | ||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | 1 | — | 2 | 3 | 2 | 1 | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 20 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 20 | 20 | 19 | 17 | 18 | 19 | 19 | 20 | 19 | 18 | 18 | 16 | 16 | 16 | 17 | 17 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 9 | S 10 | S 10 | S 12 | S 12 | S 12 | S 11 | S 11 | S 9 | S 9 | S 10 | S 12 | S 11 | S 10 |
| kJ | 140 | 134 | 162 | 115 | 189 | 202 | 154 | 143 | 469 | 529 | 610 | 577 | 399 | 340 | 361 | 690 | 517 | 400 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSW 6 | SSW 6 | ESE 8 | ESE 8 | S 13 | S 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | S 15 | S 14 | S 13 | SE 8 | SE 8 | ESE 9 |
| kJ | 45 | 48 | 36 | 29 | 51 | 50 | 161 | 94 | 37 | 37 | 36 | 32 | 104 | 129 | 215 | 3 | 3 | 44 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | ESE 8 | SE 8 | SE 8 | SSE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | S 15 | SE 8 | ESE 10 | ESE 8 | — | — | S 12 |
| kJ | 45 | 32 | 35 | 53 | 32 | 33 | 40 | 51 | 30 | 24 | 21 | 70 | 15 | 57 | 47 | — | — | 47 |
Wind waves Height (m) Direction Period (s) | SW 5 | SSW 6 | — | — | — | — | SSW 5 | S 6 | — | — | — | — | ESE 8 | — | E 10 | ESE 10 | ESE 4 | ESE 4 |
| kJ | 39 | 39 | — | — | — | — | 22 | 23 | — | — | — | — | 32 | — | 102 | 132 | 31 | 36 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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