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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Monday 20 Apr 2026 -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
24.6° C
(Which is normal for this time of year)How big are the waves at Maresias today?
The current surf forecast for Maresias at 10AM is: 0.9m 9s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a Southeast direction (forecast issued at 02:00am April 20). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 3ft (0.9m) | 9s |
| Afternoon (20 Apr) | 3ft (0.9m) | 8s |
| Evening (20 Apr) | 3ft (0.9m) | 8s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 173 | 169 | 137 | 137 | 125 | 115 | 105 | 101 | 101 | 123 | 108 | 98 | 100 | 100 | 98 | 98 | 92 | 90 | 88 | 86 | 56 | 56 | 55 | 54 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | glass | cross- on | cross- on | glass | glass | off | off | off | glass | cross- on | on | glass | cross- off | off | off | glass | glass | glass | cross- on | glass | cross- off |
High Tide / height (m) | 3:39AM 0.95 | 4:35PM 1.08 | 4:05AM 0.90 | 5:21PM 0.95 | 4:33AM 0.85 | 6:20PM 0.81 | ||||||||||||||||||
Low Tide / height (m) | 10:20AM 0.14 | 11:32PM 0.53 | 10:52AM 0.20 | 12:39AM 0.66 | 11:56AM 0.29 | |||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:44 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:42 | - | - |
 | | |  | | | | | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 24 | 25 | 24 | 21 | 20 | 19 | 19 | 19 | 23 | 25 | 25 | 21 | 19 | 19 | 18 | 18 | 22 | 25 | 25 | 21 | 19 |
| Feels °C (?) | 22 | 22 | 21 | 26 | 25 | 25 | 23 | 22 | 20 | 19 | 20 | 25 | 25 | 26 | 23 | 20 | 20 | 19 | 19 | 24 | 26 | 27 | 23 | 20 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Maresias surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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