Surf Forecasts:
How big are the waves at Maresias today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.0m), 10s period with S swell.
- Evening surf: Evening surf (18 Sep, local time) - 3ft (0.9m), 10s period with S swell.
The current surf forecast for Maresias at 11PM is: 0.8m 10s primary swell from a South direction (forecast issued at 02:00pm September 18). An open ocean swell of 2.0m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 10s |
| Evening (18 Sep) | 3ft (0.9m) | 10s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 35°C on Mon morning, min 19°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
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 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 272 | 208 | 162 | 159 | 123 | 123 | 90 | 89 | 85 | 61 | 60 | 50 | 50 | 51 | 52 | 79 | 47 | 47 | 25 | 24 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | glassy | cross | on | cross-off | cross-off | cross-off |
High Tide | 5:21PM0.77m | 7:39AM0.68m | 12:29PM0.76m | 6:11PM0.68m | 11:27PM0.57m | 12:40PM0.85m | ||||||||||||||
Low Tide | 10:06AM0.63m | 1:48AM0.44m | 8:45AM0.68m | 4:18PM0.66m | 10:46PM0.57m | 4:10AM0.41m | 5:40PM0.57m | |||||||||||||
 | |  |  | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 20 | 19 | 19 | 19 | 20 | 21 | 24 | 22 | 20 | 20 | 20 | 20 | 20 | 21 | 24 | 24 | 24 | 25 |
Feels °C | 24 | 23 | 21 | 19 | 20 | 20 | 22 | 23 | 25 | 22 | 20 | 21 | 21 | 21 | 22 | 23 | 26 | 25 | 23 | 26 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | E 8 | E 8 | S 12 | S 12 | S 12 | S 12 |
| kJ | 272 | 208 | 162 | 159 | 123 | 123 | 90 | 89 | 85 | 61 | 60 | 41 | 40 | 25 | 659 | 552 | 47 | 47 | 25 | 24 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | — | — | — | — | — | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 9 | S 13 | — | S 12 | — | — |
| kJ | 17 | — | — | — | — | — | 5 | 4 | 4 | 14 | 31 | 30 | 50 | 51 | 25 | 79 | — | 45 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 13 | SSW 9 | SSW 9 | S 13 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 50 | 8 | 8 | 52 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 80 | 173 | 312 | 403 | 374 | 348 | 348 | 321 | 330 | 358 | 448 | 520 | 615 | 742 | 893 | 957 | 450 | 396 | 428 | 418 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 0 | 4 | 0 | 0 | 21 | 59 | 4 | 4 | 4 |
Best forecast wave conditions in São Paulo | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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