Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.4m), 9s period with S swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5.5ft (1.7m), 12s period with S swell.
- Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.4m), 10s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 5AM is: 1.6m 9s primary swell from a South direction and 0.5m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm September 16). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.4m) | 9s |
| Afternoon (17 Sep) | 5.5ft (1.7m) | 12s |
| Evening (17 Sep) | 4.5ft (1.4m) | 10s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 22°C on Sat morning, min 18°C on Wed night). Winds increasing (light winds from the ESE on Wed night, fresh winds from the E by Sat afternoon). | ||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||
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 12 | S 12 | S 11 | S 9 | S 9 | S 9 | S 10 | S 12 | S 11 | S 10 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | ESE 6 | ESE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 544 | 268 | 599 | 398 | 342 | 311 | 354 | 765 | 599 | 394 | 273 | 333 | 189 | 152 | 332 | 274 | 340 | 340 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:39PM0.92m | 5:29AM0.89m | 5:05PM0.84m | 6:19AM0.77m | 11:30AM0.67m | 5:35PM0.76m | ||||||||||||
Low Tide | 11:24PM0.29m | 12:01PM0.57m | 00:20AM0.36m | 10:03AM0.67m | 1:55PM0.65m | |||||||||||||
 | | |  |  |  | | | | |  | | | | | | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 20 |
Feels °C | 18 | 18 | 18 | 18 | 17 | 16 | 18 | 17 | 15 | 15 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 7 | S 11 | S 9 | S 9 | S 9 | S 10 | S 12 | S 11 | S 10 | S 10 | S 10 | S 11 | S 9 | S 11 | S 11 | S 10 | S 10 |
| kJ | 544 | 155 | 599 | 398 | 342 | 311 | 354 | 765 | 599 | 394 | 273 | 333 | 189 | 127 | 332 | 274 | 218 | 206 |
Swell 2 Height (m) Direction Period (s) | E 8 | S 12 | E 8 | E 8 | ESE 10 | S 14 | S 13 | ESE 9 | ESE 9 | ESE 9 | S 12 | ESE 9 | S 9 | S 11 | ESE 8 | — | — | — |
| kJ | 33 | 268 | 33 | 31 | 58 | 129 | 215 | 44 | 47 | 45 | 138 | 47 | 122 | 152 | 28 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | ESE 8 | ESE 11 | S 15 | S 15 | ESE 10 | ESE 10 | SE 8 | SE 8 | S 12 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | — | — | — | — |
| kJ | 34 | 37 | 12 | 70 | 104 | 57 | 55 | 3 | 3 | 74 | 48 | 47 | 44 | 41 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 7 | — | — | — | — | — | — | ESE 4 | ESE 4 | E 4 | E 4 | E 4 | E 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 7 |
| kJ | 183 | — | — | — | — | — | — | 7 | 15 | 20 | 22 | 20 | 21 | 36 | 55 | 169 | 340 | 340 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 176 | 77 | 59 | 0 | 0 | 0 | 58 | 58 | 59 | 58 | 0 | 0 | 0 | 58 | 58 | 59 | 59 | 59 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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