Surf Forecasts:
How big are the waves at Maresias today (20 Sep):
- Evening surf: Evening surf (20 Sep, local time) - 1.5ft (0.5m), 9s period with S swell.
The current surf forecast for Maresias at 12AM is: 0.3m 13s primary swell from a South direction and 0.4m 9s secondary swell from a South direction (forecast issued at 08:00pm September 19). An open ocean swell of 2.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | - | - |
| Evening (20 Sep) | 1.5ft (0.5m) | 9s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue afternoon. Warm (max 35°C on Mon morning, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | S 9 | S 9 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 60 | 41 | 28 | 51 | 29 | 51 | 47 | 47 | 25 | 24 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | glassy | cross | glassy | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-off | cross-off |
High Tide | 6:11PM0.68m | 11:27PM0.57m | 12:40PM0.85m | 00:00AM0.70m | 12:57PM0.95m | |||||||||||||
Low Tide | 4:18PM0.66m | 10:46PM0.57m | 4:10AM0.41m | 5:40PM0.57m | 5:25AM0.31m | 6:17PM0.47m | ||||||||||||
 |  | | |  | |  | | | |  | | |  | | | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 20 | 20 | 23 | 25 | 27 | 24 | 24 | 25 | 25 | 25 | 31 | 35 | 35 | 31 | 30 |
Feels °C | 20 | 20 | 20 | 21 | 22 | 25 | 27 | 29 | 24 | 24 | 26 | 25 | 25 | 30 | 36 | 36 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | E 8 | E 8 | E 8 | E 8 | E 8 | S 12 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 60 | 41 | 25 | 25 | 587 | 450 | 349 | 309 | 302 | 24 | 11 | 247 | 264 | 224 | 187 | 182 | 148 | 120 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 9 | S 13 | S 12 | S 12 | S 12 | E 14 | — | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 |
| kJ | 31 | 29 | 28 | 51 | 25 | 51 | 47 | 47 | 25 | 4 | — | 11 | 11 | 10 | 9 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | SSW 9 | SSW 9 | — | S 13 | S 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 28 | 8 | — | 29 | 14 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 8 | E 8 | E 8 | — | — | — | E 8 | E 8 | E 8 | — | — | — | — | — | ENE 8 | NNE 3 |
| kJ | 461 | 520 | 631 | 741 | 948 | — | — | — | 428 | 289 | 282 | — | — | — | — | — | 257 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 10 | 4 | 10 | 0 | 0 | 22 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
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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