Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 4AM is: 1.1m 11s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 14). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3.5ft (1.1m) | 11s |
| Afternoon (15 Sep) | 3.5ft (1.0m) | 10s |
| Evening (15 Sep) | 3.5ft (1.1m) | 9s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Mon night. Warm (max 21°C on Mon night, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||
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) | SSE 9 | S 12 | S 12 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | S 10 | S 9 | S 9 | S 9 | S 8 | S 9 | S 10 | S 13 | S 10 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 126 | 138 | 132 | 254 | 297 | 286 | 205 | 186 | 175 | 207 | 194 | 173 | 194 | 228 | 161 | 158 | 336 | 387 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross | off | cross-on | on | on | on | on | on | cross-on | cross-on | on | on | cross-on | on | on | cross |
High Tide | 3:50PM1.04m | 4:14AM1.10m | 4:14PM0.99m | 4:50AM1.00m | 4:39PM0.92m | |||||||||||||
Low Tide | 10:33PM0.20m | 11:03AM0.35m | 10:56PM0.24m | 11:27AM0.47m | ||||||||||||||
 |  | |  |  | | |  | | | | | | | |  |  | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | 5 | 10 | 4 | — | — | — | — | 1 | 1 | 1 | 1 | 10 | 2 | 1 | — | — | — | 1 |
Temp °C | 19 | 19 | 19 | 21 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 |
Feels °C | 21 | 19 | 19 | 22 | 20 | 19 | 18 | 17 | 18 | 20 | 20 | 18 | 17 | 18 | 19 | 19 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 8 | SSW 11 | SSW 11 | SSW 11 | SE 8 | S 10 | S 9 | S 9 | S 9 | S 8 | S 9 | S 10 | S 10 | S 10 | S 12 | S 12 |
| kJ | 126 | 111 | 78 | 254 | 297 | 286 | 59 | 186 | 175 | 207 | 194 | 173 | 194 | 228 | 122 | 158 | 336 | 387 |
Swell 2 Height (m) Direction Period (s) | ESE 5 | S 12 | S 12 | SSE 9 | SE 9 | SE 8 | E 8 | SE 8 | SSE 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | S 13 | S 12 | ESE 8 | ESE 8 |
| kJ | 19 | 138 | 132 | 88 | 75 | 72 | 46 | 53 | 44 | 45 | 50 | 53 | 51 | 50 | 161 | 143 | 44 | 33 |
Swell 3 Height (m) Direction Period (s) | S 12 | ESE 5 | ESE 6 | E 6 | E 6 | E 8 | SSE 12 | E 8 | E 8 | SSE 8 | SSW 5 | SE 9 | SE 8 | S 13 | ESE 8 | ESE 8 | SE 8 | SE 8 |
| kJ | 102 | 21 | 24 | 24 | 18 | 44 | 46 | 43 | 44 | 48 | 17 | 39 | 31 | 85 | 50 | 53 | 35 | 34 |
Wind waves Height (m) Direction Period (s) | E 5 | SSW 8 | SW 4 | — | — | — | SSW 10 | SW 5 | SSW 5 | — | — | SSW 5 | — | — | — | — | S 5 | SE 8 |
| kJ | 43 | 50 | 16 | — | — | — | 205 | 29 | 19 | — | — | 19 | — | — | — | — | 28 | 91 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 20 | 20 | 0 | 63 | 20 | 97 | 80 | 20 | 20 | 20 | 97 | 20 | 20 | 20 | 20 | 20 | 20 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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