Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 2ft (0.6m), 9s period with S swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 9s period with S swell.
- Evening surf: Evening surf (31 Jul, local time) - 2ft (0.6m), 13s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 3AM is: 0.7m 10s primary swell from a South direction and 0.6m 6s secondary swell from a South direction (forecast issued at 08:00pm July 30). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 2ft (0.6m) | 9s |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 9s |
| Evening (31 Jul) | 2ft (0.6m) | 13s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sun morning, min 18°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | ||||||||||||||||
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) | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | S 10 | S 9 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 167 | 167 | 163 | 92 | 90 | 61 | 88 | 87 | 87 | 119 | 114 | 105 | 102 | 221 | 169 | 149 | 146 | 110 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off |
High Tide | 3:34PM1.11m | 3:11AM1.15m | 3:58PM1.11m | 3:41AM1.17m | 4:25PM1.09m | |||||||||||||
Low Tide | 9:57PM0.29m | 10:12AM-0.02m | 10:30PM0.29m | 10:49AM0.01m | ||||||||||||||
 | |  | | |  |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:34 | — | — | — | — | — | — | — | 5:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 20 | 19 | 20 | 21 | 21 | 21 | 20 | 19 | 18 | 18 | 19 | 22 | 22 | 21 | 21 |
Feels °C | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 20 | 20 | 18 | 17 | 16 | 17 | 18 | 20 | 19 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 12 | ESE 6 | S 12 | S 11 | S 11 | S 11 |
| kJ | 167 | 167 | 163 | 92 | 90 | 61 | 88 | 87 | 85 | 61 | 60 | 57 | 102 | 52 | 169 | 149 | 146 | 110 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | S 6 | S 6 | S 6 | S 6 | S 14 | S 13 | S 13 | S 13 | S 12 | S 9 | S 12 | E 10 | — | — | E 10 |
| kJ | 4 | 4 | 4 | 27 | 25 | 24 | 24 | 58 | 87 | 119 | 114 | 105 | 54 | 221 | 8 | — | — | 2 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | S 15 | S 15 | S 14 | S 14 | SE 8 | S 5 | — | — | — | SSE 6 | E 10 | — | — | — | — |
| kJ | 3 | 3 | 2 | 18 | 17 | 37 | 62 | 2 | 9 | — | — | — | 4 | 7 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 6 | ESE 4 | ESE 5 | E 5 | E 6 | E 6 | E 6 | ESE 6 | ESE 5 | ESE 6 | ESE 6 |
| kJ | — | — | — | — | — | — | — | 29 | 14 | 54 | 78 | 77 | 62 | 89 | 52 | 72 | 126 | 160 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 20 | 20 | 20 | 20 | 0 | 0 | 0 | 59 | 59 | 0 | 0 | 0 | 0 | 0 | 58 | 59 | 59 | 0 |
Best forecast wave conditions in Rio de Janeiro | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
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