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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 8 pm Tuesday 09 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Maresias surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Maresias sea temperature is
25.1° C
(Which is slightly warmer than usual)How big are the waves at Maresias today?
The current surf forecast for Maresias at 3AM is: 0.2m 9s primary swell from a South direction (forecast issued at 08:00pm December 09). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 1.5m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 0.5ft (0.1m) | 15s |
| Afternoon (10 Dec) | 0.5ft (0.2m) | 13s |
| Evening (10 Dec) | 1.5ft (0.4m) | 12s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 6 | 6 | 6 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6 | 6 | 6 | 6 | 5 | 4 | 16 | 17 | 31 | 48 | 46 | 43 | 37 | 51 | 87 | 109 | 599 | 1684 | 1592 | 1342 | 1311 | 1290 | 1005 | 857 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | on | cross | cross- off | cross- off | cross- off | off | glass | cross- on | glass |
High Tide / height (m) | 4:38PM 0.96 | 6:10AM 0.82 | 5:25PM 0.92 | 7:00AM 0.76 | 6:22PM 0.86 | 8:12AM 0.73 | ||||||||||||||||||
Low Tide / height (m) | 12:20AM 0.23 | 12:42PM 0.64 | 1:23AM 0.31 | 1:51PM 0.63 | 2:33AM 0.38 | |||||||||||||||||||
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - | - | - | 5:07 | - | - | - |
| Sunset | 6:40 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | |  | | | | | | | | | | | | | |  | |
Rain (mm) | 1 | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 26 | 25 | 26 | 29 | 31 | 33 | 31 | 29 | 28 | 27 | 26 | 30 | 29 | 27 | 26 | 23 | 23 | 24 | 24 | 30 | 31 | 26 |
| Feels °C (?) | 26 | 26 | 27 | 27 | 28 | 29 | 31 | 32 | 31 | 28 | 26 | 27 | 26 | 29 | 28 | 28 | 28 | 24 | 23 | 24 | 25 | 32 | 32 | 28 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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