Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.8m), 11s period with S swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.1m), 11s period with S swell.
- Evening surf: Evening surf (18 Sep, local time) - 6ft (1.9m), 6s period with ESE swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 11AM is: 1.1m 10s primary swell from a South direction and 0.4m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am September 18). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 2.5ft (0.8m) | 11s |
| Afternoon (18 Sep) | 3.5ft (1.1m) | 11s |
| Evening (18 Sep) | 6ft (1.9m) | 6s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Sun night, min 19°C on Fri morning). Winds decreasing (fresh winds from the E on Fri afternoon, calm by Sun morning). | ||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Wave Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | ESE 6 | ESE 6 | S 10 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | S 9 | S 9 | S 9 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 189 | 152 | 338 | 274 | 280 | 280 | 218 | 200 | 181 | 181 | 187 | 218 | 83 | 60 | 41 | 49 | 48 | 48 | 69 | 68 | 44 | 43 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | glassy | cross-off | off | off |
High Tide | 6:19AM0.77m | 11:30AM0.67m | 5:35PM0.76m | 12:03PM0.77m | 6:33PM0.66m | 12:26PM0.86m | ||||||||||||||||
Low Tide | 10:03AM0.67m | 1:55PM0.65m | 2:20AM0.42m | 4:17PM0.64m | 4:13AM0.39m | 5:45PM0.56m | ||||||||||||||||
 | | |  |  | |  |  |  | | | | | | | | | | | | | | |
 | 5:50 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 22 | 24 | 24 | 23 | 24 |
Feels °C | 18 | 18 | 19 | 17 | 16 | 17 | 17 | 18 | 17 | 18 | 20 | 18 | 17 | 19 | 19 | 17 | 18 | 21 | 26 | 24 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 10 | S 9 | E 8 | S 12 | S 12 | S 12 | ESE 8 |
| kJ | 189 | 127 | 338 | 274 | 264 | 202 | 198 | 158 | 156 | 121 | 116 | 85 | 83 | 60 | 41 | 29 | 25 | 341 | 69 | 68 | 44 | 427 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 11 | ESE 8 | — | — | — | — | — | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 | S 12 | S 9 | S 13 | S 13 | — | S 12 |
| kJ | 96 | 152 | 28 | — | — | — | — | — | 5 | 5 | 4 | 4 | 14 | 14 | 30 | 49 | 48 | 26 | 31 | 14 | — | 43 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 8 | — | — | — | — | — | — | — | — | S 14 | — | — | S 13 | S 13 | SSW 9 | SSW 9 | S 12 | — | — | — | — |
| kJ | 44 | 28 | — | — | — | — | — | — | — | — | 4 | — | — | 31 | 30 | 16 | 16 | 48 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 33 | 51 | 69 | 165 | 280 | 280 | 218 | 200 | 181 | 181 | 187 | 218 | 414 | 494 | 439 | 403 | 399 | 541 | 316 | 316 | 387 | 682 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 58 | 58 | 59 | 59 | 59 | 58 | 0 | 58 | 0 | 59 | 59 | 59 | 59 | 58 | 58 | 0 | 0 | 0 | 0 | 68 | 63 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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