Surf Forecasts:
How big are the waves at Maresias today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.4m), 4s period with WSW swell.
- 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 5AM is: 0.1m 13s primary swell from a Southeast direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 08:00pm August 19). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1.5ft (0.4m) | 4s |
| 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 morning, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 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) | SE 13 | SE 13 | SE 13 | SE 13 | SW 4 | WSW 4 | S 12 | S 11 | S 11 | S 10 | SSW 10 | S 10 | S 9 | SSW 9 | SSW 6 | SSW 7 | SSW 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 7 | 7 | 7 | 7 | 6 | 6 | 11 | 22 | 21 | 35 | 33 | 47 | 43 | 101 | 111 | 219 | 261 | 231 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross | cross | cross | cross-on | glassy | cross | cross-off | cross-off | cross-off | off | off | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:37PM0.84m | 6:38AM0.78m | 6:05PM0.76m | 12:42PM0.74m | 6:53PM0.67m | |||||||||||||
Low Tide | 00:09AM0.39m | 11:11AM0.63m | 2:30AM0.44m | 4:39PM0.65m | ||||||||||||||
 | | |  | |  | | | | | | | |  |  | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 22 | 21 | 19 | 19 | 22 | 26 | 26 | 21 | 22 | 24 | 24 | 24 | 22 | 21 | 19 | 19 | 18 |
Feels °C | 27 | 23 | 22 | 21 | 21 | 23 | 28 | 27 | 23 | 21 | 22 | 22 | 23 | 22 | 20 | 18 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 11 | S 10 | E 7 | E 4 | E 7 | E 7 | E 8 | E 8 | E 8 | SSW 7 |
| kJ | 67 | 65 | 50 | 48 | 36 | 36 | 37 | 37 | 21 | 35 | 23 | 15 | 61 | 86 | 93 | 94 | 76 | 231 |
Swell 2 Height (m) Direction Period (s) | S 10 | SE 13 | S 10 | SE 13 | SE 12 | SE 12 | SW 4 | SW 4 | SW 5 | SW 5 | SSW 10 | E 7 | S 9 | S 16 | SSW 9 | S 15 | S 15 | E 8 |
| kJ | 2 | 7 | 2 | 7 | 6 | 6 | 4 | 3 | 4 | 4 | 33 | 23 | 43 | 5 | 25 | 4 | 4 | 60 |
Swell 3 Height (m) Direction Period (s) | SE 13 | S 10 | SE 13 | S 9 | S 9 | S 9 | S 12 | S 11 | SE 12 | SE 12 | SSW 5 | S 10 | SW 5 | — | S 15 | — | — | S 14 |
| kJ | 7 | 2 | 7 | 2 | 2 | 2 | 11 | 22 | 6 | 5 | 2 | 47 | 1 | — | 4 | — | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | WSW 3 | SW 4 | WSW 4 | — | — | E 7 | E 7 | ENE 4 | — | NW 3 | SSW 9 | SSW 6 | SSW 7 | SSW 7 | — |
| kJ | — | — | — | 3 | 3 | 6 | — | — | 48 | 62 | 18 | — | 2 | 101 | 111 | 219 | 261 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 4 | 4 | 13 | 58 | 4 | 58 | 4 | 305 | 4 | 0 | 4 | 0 | 0 | 58 | 371 | 462 | 492 | 25 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
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