
Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 3.5ft (1.1m), 8s period with S swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3ft (0.9m), 9s period with SSE swell.
- Evening surf: Evening surf (14 Sep, local time) - 2.5ft (0.7m), 12s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 5PM is: 1.1m 9s primary swell from a South-southeast direction and 0.6m 12s secondary swell from a South direction (forecast issued at 08:00am September 14). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 3.5ft (1.1m) | 8s |
| Afternoon (14 Sep) | 3ft (0.9m) | 9s |
| Evening (14 Sep) | 2.5ft (0.7m) | 12s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Tue night. Warm (max 20°C on Mon night, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||
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 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | S 12 | S 12 | SSW 11 | S 11 | S 11 | SSW 10 | SSW 10 | S 9 | S 9 | S 9 | S 9 | S 8 | S 10 | S 13 | S 10 | S 12 | S 12 |
Wave Graph | ||||||||||||||||||||||
161 | 161 | 147 | 135 | 186 | 138 | 132 | 198 | 231 | 229 | 218 | 295 | 175 | 246 | 225 | 146 | 204 | 228 | 161 | 158 | 336 | 268 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | off | on | cross-on | off | cross-on | on | on | on | on | cross-on | on | on | on | on | on | on | cross-on | cross |
High Tide | 3:41AM1.18m | 3:50PM1.04m | 4:14AM1.10m | 4:14PM0.99m | 4:50AM1.00m | 4:39PM0.92m | ||||||||||||||||
Low Tide | 10:38AM0.23m | 10:33PM0.20m | 11:03AM0.35m | 10:56PM0.24m | 11:27AM0.47m | |||||||||||||||||
5:54 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | |
— | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | |
mm | — | — | 1 | 1 | 3 | 4 | 3 | 1 | — | — | — | 1 | 1 | 1 | 2 | 5 | 1 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 |
Feels °C | 20 | 19 | 19 | 19 | 20 | 21 | 20 | 21 | 20 | 18 | 17 | 17 | 18 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSW 11 | S 11 | S 11 | SE 8 | E 7 | S 9 | S 9 | S 9 | S 9 | S 8 | S 10 | S 10 | S 10 | S 12 | S 12 |
161 | 161 | 147 | 135 | 186 | 111 | 99 | 198 | 231 | 229 | 70 | 38 | 175 | 246 | 225 | 146 | 204 | 228 | 154 | 158 | 336 | 268 | |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | SSW 8 | S 12 | S 12 | S 12 | SSE 9 | SSE 8 | SE 8 | E 7 | SE 8 | E 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | S 13 | S 12 | ESE 8 | ESE 8 |
36 | 36 | 36 | 40 | 102 | 138 | 132 | 99 | 69 | 67 | 54 | 50 | 54 | 52 | 55 | 64 | 58 | 44 | 161 | 143 | 47 | 33 | |
Swell 3 Height (m) Direction Period (s) | SSW 7 | S 13 | S 13 | S 12 | SSW 8 | E 5 | ESE 5 | E 5 | E 6 | E 8 | SSE 12 | SE 8 | SSE 8 | SE 9 | SSE 11 | S 15 | ESE 9 | S 13 | ESE 8 | ESE 8 | SE 8 | ESE 11 |
21 | 55 | 85 | 73 | 23 | 18 | 20 | 14 | 24 | 55 | 46 | 51 | 46 | 37 | 41 | 4 | 28 | 85 | 44 | 47 | 34 | 12 | |
Wind waves Height (m) Direction Period (s) | — | E 8 | E 4 | E 4 | E 5 | — | — | — | — | — | SSW 10 | SSW 10 | SSW 5 | — | — | SSW 6 | — | — | — | — | SSE 8 | SSE 8 |
— | 50 | 17 | 9 | 22 | — | — | — | — | — | 218 | 295 | 37 | — | — | 20 | — | — | — | — | 64 | 80 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 0 | 20 | 20 | 97 | 97 | 20 | 65 | 90 | 20 | 20 | 20 | 20 | 20 | 71 | 59 |
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)



