Surf Forecasts:
How big are the waves at Maresias today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1ft (0.3m), 11s period with S swell.
- Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.4m), 10s period with S swell.
The current surf forecast for Maresias at 10PM is: 0.4m 10s primary swell from a South direction and 0.3m 5s secondary swell from a Southwest direction (forecast issued at 02:00pm August 20). An open ocean swell of 1.0m 7s 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 Aug) | - | - |
| Afternoon (20 Aug) | 1ft (0.3m) | 11s |
| Evening (20 Aug) | 1.5ft (0.4m) | 10s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 12 | S 11 | S 11 | S 10 | SSW 10 | S 10 | S 9 | SW 9 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 11 | 22 | 21 | 35 | 33 | 47 | 43 | 81 | 74 | 172 | 227 | 247 | 204 | 192 | 381 | 716 | 798 | 676 | 569 | 494 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-off | cross-off | off | off | off | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | on | cross-on | cross |
High Tide | 6:05PM0.76m | 12:42PM0.74m | 6:53PM0.67m | 1:01PM0.85m | ||||||||||||||||
Low Tide | 11:11AM0.63m | 2:30AM0.44m | 4:39PM0.65m | 4:37AM0.40m | 6:14PM0.57m | |||||||||||||||
 | |  | | |  |  |  | |  | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — |
 | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 21 | 22 | 24 | 24 | 24 | 24 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 |
Feels °C | 28 | 26 | 22 | 21 | 22 | 22 | 22 | 23 | 19 | 18 | 17 | 18 | 17 | 18 | 17 | 18 | 19 | 19 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | S 11 | S 10 | E 7 | E 4 | E 7 | E 7 | E 8 | E 8 | E 8 | SSW 7 | SSW 7 | S 7 | S 9 | S 11 | S 11 | S 10 | S 10 | S 10 |
| kJ | 37 | 37 | 21 | 35 | 23 | 15 | 61 | 106 | 114 | 92 | 76 | 247 | 204 | 192 | 381 | 716 | 798 | 676 | 569 | 494 |
Swell 2 Height (m) Direction Period (s) | SW 4 | S 11 | SW 5 | SW 5 | SSW 10 | E 7 | S 9 | S 16 | S 15 | S 15 | S 15 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 7 |
| kJ | 4 | 22 | 4 | 4 | 33 | 34 | 43 | 5 | 4 | 4 | 4 | 60 | 61 | 46 | 31 | 20 | 19 | 9 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | S 12 | SW 4 | SE 12 | SE 12 | SSW 5 | S 10 | SW 5 | — | — | — | — | S 14 | S 13 | S 11 | — | — | — | — | — | — |
| kJ | 11 | 2 | 6 | 5 | 2 | 47 | 1 | — | — | — | — | 4 | 3 | 36 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | E 7 | E 7 | ENE 4 | — | NW 2 | SW 9 | SSW 5 | SSW 6 | SSW 7 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 64 | 100 | 25 | — | 1 | 81 | 74 | 172 | 227 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 305 | 4 | 4 | 0 | 4 | 0 | 0 | 58 | 462 | 448 | 68 | 25 | 0 | 0 | 0 | 0 | 19 | 19 | 19 | 4 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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