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 SW 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 11AM is: 0.2m 12s primary swell from a South direction and 0.4m 4s secondary swell from a Southwest direction (forecast issued at 08:00am August 20). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| 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 afternoon, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||
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 | 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 12 | SW 4 | S 12 | S 11 | S 11 | S 10 | SSW 10 | S 10 | S 9 | SW 9 | SSW 5 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 8 | S 10 | S 10 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 6 | 6 | 11 | 22 | 21 | 35 | 33 | 47 | 43 | 81 | 92 | 214 | 233 | 245 | 178 | 161 | 266 | 592 | 676 | 676 | 663 | 580 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | cross | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | on | on | cross-on | cross |
High Tide | 6:38AM0.78m | 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 | |||||||||||||||||
 |  | | | | | | |  |  | |  |  | | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — |
 | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 22 | 25 | 26 | 21 | 22 | 24 | 24 | 24 | 24 | 20 | 19 | 18 | 18 | 17 | 16 | 18 | 18 | 19 | 18 | 18 | 17 |
Feels °C | 21 | 23 | 27 | 27 | 23 | 22 | 22 | 22 | 22 | 23 | 19 | 18 | 17 | 18 | 17 | 16 | 19 | 18 | 19 | 18 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 7 | S 7 | S 8 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 36 | 36 | 37 | 37 | 21 | 35 | 23 | 14 | 61 | 83 | 90 | 93 | 74 | 245 | 178 | 161 | 266 | 592 | 676 | 676 | 663 | 580 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | 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 | S 10 | E 8 | E 8 | E 7 | E 7 | E 7 |
| kJ | 6 | 6 | 4 | 22 | 4 | 4 | 33 | 23 | 43 | 5 | 4 | 4 | 4 | 58 | 44 | 44 | 75 | 20 | 18 | 9 | 9 | 4 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | S 12 | SW 4 | SE 12 | SE 12 | SSW 5 | S 10 | SW 5 | S 15 | — | — | — | S 14 | S 14 | — | E 8 | — | — | — | — | — |
| kJ | 2 | 2 | 11 | 2 | 6 | 5 | 2 | 47 | 1 | 5 | — | — | — | 4 | 4 | — | 31 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 4 | WSW 4 | — | E 7 | E 7 | ENE 4 | — | NW 2 | SW 9 | SSW 5 | SSW 7 | SSW 7 | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | — | 48 | 62 | 17 | — | 1 | 81 | 92 | 214 | 233 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 4 | 61 | 4 | 11 | 4 | 0 | 4 | 0 | 0 | 58 | 492 | 451 | 68 | 13 | 5 | 0 | 0 | 19 | 19 | 19 | 19 | 4 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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