Surf Forecasts:
How big are the waves at Maresias today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 0.5ft (0.2m), 10s period with S swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 1.5ft (0.4m), 4s period with SW swell.
- Evening surf: Evening surf (22 Sep, local time) - 0.5ft (0.2m), 11s period with S swell.
The current surf forecast for Maresias at 4AM is: 0.2m 10s primary swell from a South direction (forecast issued at 08:00pm September 21). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 0.5ft (0.2m) | 10s |
| Afternoon (22 Sep) | 1.5ft (0.4m) | 4s |
| Evening (22 Sep) | 0.5ft (0.2m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 53mm), heaviest during Wed afternoon. Warm (max 28°C on Mon night, min 17°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||
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 11 | S 11 | S 10 | S 10 | S 10 | S 10 | SW 4 | SW 4 | SSW 4 | S 11 | S 5 | S 6 | S 7 | S 8 | S 8 | S 10 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 7 | 7 | 10 | 16 | 165 | 286 | 368 | 422 | 1055 | 759 | 621 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | glassy | cross-on | cross-on | glassy | cross-on | glassy | on | on | on | on | on | on | cross-on | cross-on | cross |
High Tide | 00:23AM0.83m | 1:16PM1.03m | 00:45AM0.96m | 1:35PM1.10m | ||||||||||||||
Low Tide | 6:17PM0.47m | 6:14AM0.19m | 6:48PM0.37m | 6:54AM0.08m | 7:19PM0.29m | |||||||||||||
 |  | | |  |  | |  |  | | |  | |  | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | 1 | 1 | 4 | 1 | 1 | 2 | 7 | 2 | 7 | 8 | 9 | 2 | 1 |
Temp °C | 30 | 28 | 25 | 25 | 20 | 21 | 22 | 21 | 21 | 21 | 20 | 19 | 18 | 18 | 18 | 17 | 17 | 17 |
Feels °C | 31 | 29 | 26 | 27 | 22 | 23 | 25 | 24 | 25 | 24 | 21 | 19 | 18 | 18 | 17 | 17 | 17 | 17 |
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 | S 10 | S 10 | S 10 | S 10 |
| kJ | 116 | 95 | 95 | 94 | 76 | 78 | 100 | 103 | 105 | 111 | 111 | 88 | 88 | 66 | 175 | 1055 | 759 | 621 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | WSW 4 | S 10 | SW 4 | S 12 | SSW 4 | S 11 | E 15 | S 15 | S 14 | E 8 | E 8 | E 8 | S 18 |
| kJ | 9 | 9 | 9 | 8 | 8 | 5 | 2 | 7 | 3 | 7 | 10 | 4 | 4 | 14 | 66 | 45 | 31 | 225 |
Swell 3 Height (m) Direction Period (s) | — | — | E 14 | — | SE 14 | S 10 | S 12 | S 9 | S 9 | S 11 | S 11 | — | S 14 | — | ESE 11 | ESE 13 | SSE 19 | E 8 |
| kJ | — | — | 4 | — | 7 | 7 | 3 | 2 | 1 | 10 | 10 | — | 4 | — | 12 | 31 | 71 | 30 |
Wind waves Height (m) Direction Period (s) | — | N 3 | NNW 3 | — | SW 3 | — | SW 4 | — | SSW 4 | — | S 5 | S 6 | S 7 | S 8 | S 8 | SE 6 | ESE 6 | SE 6 |
| kJ | — | 2 | 1 | — | 5 | — | 6 | — | 7 | — | 16 | 165 | 286 | 368 | 422 | 95 | 55 | 52 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 25 | 41 | 4 | 4 | 4 | 4 | 75 | 143 | 66 | 19 | 305 | 19 | 19 | 11 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||
Header Global | ||||||||||||||||||
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