Surf Forecasts:
How big are the waves at Lopes Mendes (Ilha Grande) today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.
- Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.0m), 12s period with S swell.
The current surf forecast for Lopes Mendes (Ilha Grande) at 3AM is: 0.9m 13s primary swell from a South direction (forecast issued at 08:00pm September 09). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 3.5ft (1.1m) | 12s |
| Afternoon (10 Sep) | 3.5ft (1.1m) | 12s |
| Evening (10 Sep) | 3.5ft (1.0m) | 12s |
Table - waves today at Lopes Mendes (Ilha Grande). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Thu night. Warm (max 26°C on Fri night, min 20°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the WSW by Fri night). | ||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | ||||||||||||||||
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) | ESE 7 | SSE 10 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 12 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 117 | 100 | 215 | 252 | 347 | 342 | 342 | 359 | 389 | 278 | 401 | 357 | 594 | 546 | 423 | 411 | 319 | 295 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | off | off | glassy | cross-off | glassy | glassy | on | on | cross-on | glassy | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 1:35AM1.11m | 2:34PM1.12m | 2:04AM1.19m | 2:47PM1.11m | ||||||||||||||
Low Tide | 8:20PM0.30m | 8:32AM-0.08m | 8:50PM0.25m | 9:07AM-0.05m | ||||||||||||||
 |  |  |  |  | | |  | |  |  | | |  | | |  | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | 4 | 2 | — | — | — | — | — | 1 | 3 | 16 | 10 | 2 | 1 | — | — | — | — | — |
Temp °C | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 21 | 20 | 21 | 22 | 23 | 24 | 24 | 24 | 25 |
Feels °C | 24 | 22 | 24 | 25 | 24 | 27 | 26 | 23 | 23 | 23 | 23 | 22 | 25 | 26 | 25 | 25 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | E 7 | E 7 | S 13 | S 12 | S 12 | S 12 | S 12 | S 13 | S 12 | S 12 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 |
| kJ | 117 | 112 | 108 | 252 | 347 | 342 | 342 | 359 | 389 | 278 | 224 | 357 | 594 | 546 | 423 | 411 | 319 | 295 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSE 10 | S 13 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | S 16 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 94 | 100 | 215 | 88 | 86 | 86 | 88 | 90 | 72 | 57 | 401 | 177 | 55 | 55 | 55 | 58 | 58 | 60 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 13 | SSE 10 | S 10 | SE 13 | SE 13 | SE 13 | SE 13 | SSE 17 | S 16 | E 8 | E 8 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 |
| kJ | 63 | 87 | 55 | 50 | 7 | 7 | 7 | 7 | 94 | 249 | 57 | 57 | 16 | 16 | 16 | 15 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 2 | — | — | — | SW 2 | — | — | E 8 | ENE 8 | E 8 | — | — | E 8 | — |
| kJ | — | — | — | — | 1 | — | — | — | 1 | — | — | 95 | 96 | 118 | — | — | 120 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 97 | 71 | 0 | 0 | 0 | 0 | 58 | 0 | 58 | 0 |
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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