Surf Forecasts:
How big are the waves at Maresias today (15 Sep):
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.0m), 9s period with S swell.
The current surf forecast for Maresias at 11PM is: 1.0m 9s primary swell from a South direction (forecast issued at 08:00pm September 15). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | - | - |
| Afternoon (15 Sep) | - | - |
| Evening (15 Sep) | 3.5ft (1.0m) | 9s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 21°C on Fri morning, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||
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 9 | S 8 | S 10 | S 10 | S 12 | S 12 | S 12 | S 9 | S 9 | S 9 | SSE 9 | S 9 | S 11 | S 11 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 230 | 155 | 155 | 143 | 162 | 123 | 566 | 488 | 271 | 364 | 340 | 332 | 326 | 249 | 474 | 432 | 325 | 220 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | glassy | cross-on | cross | glassy | on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 4:08PM0.99m | 4:44AM1.01m | 4:29PM0.93m | 5:20AM0.90m | 4:53PM0.86m | |||||||||||||
Low Tide | 10:21PM0.20m | 10:41AM0.44m | 10:44PM0.26m | 10:42AM0.55m | ||||||||||||||
 |  | |  |  | | | |  | | | |  | | | | | | |
 | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 17 | 17 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
Feels °C | 20 | 19 | 20 | 18 | 18 | 21 | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | S 10 | S 10 | S 10 | S 12 | SSE 7 | S 9 | S 9 | S 9 | SSE 9 | S 9 | S 11 | S 11 | S 10 | S 10 |
| kJ | 230 | 155 | 155 | 143 | 162 | 123 | 154 | 488 | 125 | 364 | 340 | 332 | 326 | 249 | 474 | 432 | 325 | 220 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 8 | E 7 | E 7 | S 13 | S 12 | E 7 | S 12 | E 8 | E 8 | SSE 15 | S 14 | S 13 | ESE 10 | SE 8 | SSE 12 | S 12 |
| kJ | 40 | 28 | 29 | 25 | 26 | 119 | 112 | 26 | 271 | 33 | 32 | 71 | 134 | 168 | 21 | 2 | 51 | 100 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | ESE 7 | SE 8 | E 8 | SSE 16 | SSE 15 | ESE 11 | ESE 11 | ESE 10 | SE 8 | SE 8 | SE 8 | ESE 10 |
| kJ | 54 | 35 | 32 | 20 | 30 | 29 | 31 | 23 | 31 | 51 | 73 | 13 | 13 | 21 | 3 | 3 | 2 | 55 |
Wind waves Height (m) Direction Period (s) | SW 5 | — | — | — | — | S 5 | S 12 | S 7 | — | — | — | ESE 7 | ESE 7 | E 7 | ESE 4 | ESE 4 | ESE 4 | E 4 |
| kJ | 24 | — | — | — | — | 18 | 566 | 139 | — | — | — | 31 | 29 | 70 | 29 | 31 | 29 | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 26 | 44 | 0 | 8 | 0 | 0 | 0 | 0 | 13 | 19 | 19 | 11 | 4 | 4 | 4 | 4 | 4 | 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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