Surf Forecasts:
How big are the waves at Maresias today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 2ft (0.6m), 13s period with S swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2.5ft (0.8m), 12s period with S swell.
- Evening surf: Evening surf (16 Sep, local time) - 5ft (1.5m), 9s period with S swell.
The current surf forecast for Maresias at 11AM is: 1.1m 10s primary swell from a South direction and 0.6m 12s secondary swell from a South direction (forecast issued at 08:00am September 16). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 2ft (0.6m) | 13s |
| Afternoon (16 Sep) | 2.5ft (0.8m) | 12s |
| Evening (16 Sep) | 5ft (1.5m) | 9s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed morning. Warm (max 22°C on Fri morning, min 16°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||
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) | S 8 | S 13 | S 10 | S 12 | S 12 | S 9 | S 9 | S 9 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 11 | S 9 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 112 | 119 | 230 | 184 | 220 | 348 | 328 | 298 | 318 | 300 | 474 | 432 | 325 | 220 | 157 | 126 | 287 | 282 | 224 | 212 | 162 | 159 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:44AM1.01m | 4:29PM0.93m | 5:20AM0.90m | 4:53PM0.86m | 6:05AM0.78m | 5:21PM0.77m | ||||||||||||||||
Low Tide | 10:41AM0.44m | 10:44PM0.26m | 10:42AM0.55m | 11:10PM0.34m | 10:06AM0.63m | |||||||||||||||||
 |  | |  |  | |  | |  | | | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 20 | 22 | 22 | 19 | 19 |
Feels °C | 18 | 20 | 19 | 18 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 21 | 22 | 22 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 10 | S 12 | S 7 | S 7 | S 9 | S 9 | S 9 | S 9 | S 9 | S 11 | S 11 | S 10 | S 10 | S 9 | S 9 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 |
| kJ | 112 | 69 | 112 | 147 | 155 | 348 | 328 | 298 | 318 | 300 | 474 | 432 | 325 | 220 | 123 | 126 | 287 | 282 | 224 | 212 | 162 | 159 |
Swell 2 Height (m) Direction Period (s) | E 7 | S 13 | E 8 | S 12 | S 12 | E 8 | E 8 | SSE 15 | S 14 | S 13 | SE 8 | SE 8 | SSE 12 | S 12 | S 11 | S 11 | ESE 10 | ESE 9 | — | — | — | — |
| kJ | 26 | 119 | 31 | 184 | 220 | 33 | 32 | 71 | 134 | 168 | 3 | 2 | 51 | 100 | 157 | 118 | 36 | 17 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | E 7 | SE 8 | E 8 | E 8 | SSE 16 | SSE 15 | ESE 11 | ESE 11 | SE 10 | SE 8 | SE 8 | SE 8 | S 12 | ESE 10 | ESE 10 | — | — | — | — | — | — |
| kJ | 20 | 26 | 20 | 30 | 32 | 51 | 73 | 13 | 13 | 28 | 9 | 2 | 2 | 73 | 38 | 37 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 8 | S 5 | S 10 | — | — | — | — | ESE 8 | ESE 7 | ESE 7 | ESE 4 | ESE 4 | ESE 4 | E 4 | E 5 | E 5 | E 5 | E 6 | E 6 | E 6 | E 7 | E 7 |
| kJ | 94 | 23 | 230 | — | — | — | — | 44 | 18 | 17 | 19 | 21 | 29 | 46 | 54 | 60 | 69 | 92 | 156 | 247 | 312 | 353 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 10 | 25 | 13 | 19 | 19 | 19 | 11 | 4 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||
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