Surf Forecasts:
How big are the waves at Maresias today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
The current surf forecast for Maresias at 2AM is: 0.2m 12s primary swell from a South direction (forecast issued at 08:00pm September 20). An open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 0.5ft (0.2m) | 11s |
| Afternoon (21 Sep) | 0.5ft (0.2m) | 11s |
| Evening (21 Sep) | 0.5ft (0.2m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Wed afternoon. Warm (max 33°C on Mon afternoon, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||
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 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | WSW 3 | WSW 4 | SW 4 | SSW 5 | SSW 6 |
Wave Graph  | ||||||||||||||||||
 kJ | 25 | 24 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 16 | 17 | 34 | 80 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross | cross | cross | glassy | on | cross-on |
High Tide | 00:00AM0.70m | 12:57PM0.95m | 00:23AM0.83m | 1:16PM1.03m | ||||||||||||||
Low Tide | 5:40PM0.57m | 5:25AM0.31m | 6:17PM0.47m | 6:14AM0.19m | 6:48PM0.37m | |||||||||||||
 | |  |  |  | | | | | |  | | | | |  | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 4 |
Temp °C | 24 | 23 | 23 | 23 | 24 | 28 | 31 | 33 | 31 | 27 | 26 | 27 | 27 | 23 | 22 | 23 | 21 | 21 |
Feels °C | 24 | 23 | 24 | 23 | 24 | 29 | 33 | 35 | 30 | 26 | 25 | 26 | 28 | 24 | 25 | 27 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 291 | 223 | 213 | 241 | 213 | 219 | 182 | 141 | 138 | 114 | 92 | 93 | 120 | 130 | 133 | 133 | 111 | 113 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | NNW 4 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | NW 4 | S 10 | S 9 | SSW 5 | S 12 |
| kJ | 25 | 24 | 6 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 4 | 2 | 2 | 34 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | S 12 | — | — | — | — | — | — | — | — | E 14 | S 10 | S 10 | S 12 | S 12 | S 8 | E 15 |
| kJ | — | — | 11 | — | — | — | — | — | — | — | — | 4 | 8 | 2 | 3 | 3 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | E 8 | N 4 | — | — | — | — | — | E 8 | — | N 4 | NNW 3 | N 3 | N 4 | WSW 3 | WSW 4 | SW 4 | — | SSW 6 |
| kJ | 439 | 17 | — | — | — | — | — | 245 | — | 9 | 3 | 7 | 10 | 8 | 16 | 17 | — | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 26 | 10 | 4 | 25 | 26 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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