Surf Forecasts:
How big are the waves at Maresias today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 2.5ft (0.8m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 2.5ft (0.7m), 10s period with SE swell.
- Evening surf: Evening surf (17 Jul, local time) - 2ft (0.6m), 10s period with SE swell.
The current surf forecast for Maresias at 3AM is: 0.8m 10s primary swell from a Southeast direction (forecast issued at 08:00pm July 16). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 2.5ft (0.8m) | 10s |
| Afternoon (17 Jul) | 2.5ft (0.7m) | 10s |
| Evening (17 Jul) | 2ft (0.6m) | 10s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Sun morning, min 17°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | ||||||||||||||||
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 10 | SE 10 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 204 | 212 | 162 | 153 | 147 | 147 | 102 | 102 | 102 | 84 | 67 | 64 | 51 | 77 | 47 | 35 | 25 | 25 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | off | glassy | cross | cross-off | cross-off | off | off | off | off | glassy | cross | cross-off | cross-off |
High Tide | 4:26PM1.05m | 3:47AM1.11m | 4:51PM0.99m | 4:22AM1.11m | 5:15PM0.93m | |||||||||||||
Low Tide | 10:43PM0.46m | 11:00AM0.05m | 11:05PM0.46m | 11:34AM0.14m | ||||||||||||||
 | | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:32 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 17 | 17 | 22 | 26 | 27 | 21 | 20 | 19 | 18 | 18 | 22 | 27 | 28 | 22 | 22 |
Feels °C | 17 | 15 | 15 | 15 | 15 | 21 | 25 | 26 | 19 | 18 | 17 | 16 | 15 | 20 | 27 | 27 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 11 | E 8 | E 8 | E 8 | E 8 | SE 10 | SE 10 | SE 10 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | SE 10 | SE 10 |
| kJ | 204 | 212 | 162 | 168 | 168 | 172 | 138 | 102 | 102 | 84 | 120 | 127 | 195 | 177 | 142 | 114 | 25 | 25 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SE 10 | SE 10 | SE 10 | SE 10 | S 18 | S 18 | S 18 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 14 | S 18 |
| kJ | 3 | 3 | 3 | 153 | 147 | 147 | 102 | 6 | 25 | 24 | 67 | 64 | 51 | 77 | 47 | 35 | 15 | 25 |
Swell 3 Height (m) Direction Period (s) | S 9 | — | — | S 13 | S 13 | S 13 | S 19 | S 12 | S 12 | S 12 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 18 | S 13 |
| kJ | 2 | — | — | 3 | 3 | 3 | 7 | 3 | 3 | 3 | 21 | 20 | 20 | 17 | 17 | 17 | 25 | 14 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | — | — | — | — | E 7 | E 7 | E 7 | ENE 7 | — | NNW 2 | NW 3 | — | — | E 8 | E 8 |
| kJ | 92 | 91 | 91 | — | — | — | — | 108 | 126 | 127 | 203 | — | 1 | 2 | — | — | 110 | 114 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 |
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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