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Surf Forecasts:
Maresias surfForecast / São Paulo / Brazil
48hr Weather and Surf, issued 2 am Friday 17 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
24.5° C
(Which is slightly cooler than normal)How big are the waves at Maresias today?
The current surf forecast for Maresias at 8AM is: 0.9m 7s primary swell from a East-southeast direction and 0.5m 12s secondary swell from a South-southeast direction (forecast issued at 02:00am April 17). An open ocean swell of 1.1m 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 (17 Apr) | 3ft (0.9m) | 7s |
| Afternoon (17 Apr) | 2ft (0.6m) | 11s |
| Evening (17 Apr) | 2ft (0.6m) | 11s |
Table - waves today at Maresias. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 7 | 11 | 11 | 11 | 11 | 11 | 11 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 101 | 101 | 84 | 84 | 100 | 97 | 95 | 93 | 121 | 119 | 87 | 98 | 117 | 96 | 115 | 117 | 90 | 86 | 53 | 53 | 53 | 59 | 84 | 90 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | cross- on | cross | cross- off | cross- off | cross- off | off | off | glass | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | on | glass | cross- off |
High Tide / height (m) | 2:38PM 1.27 | 2:51AM 1.06 | 3:15PM 1.25 | 3:15AM 1.00 | 3:54PM 1.18 | |||||||||||||||||||
Low Tide / height (m) | 8:51AM 0.12 | 9:25PM 0.10 | 9:21AM 0.10 | 10:05PM 0.23 | 9:51AM 0.11 | |||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:44 | - | - |
 | | |  | | | | |  | | | | |  |  | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 26 | 28 | 28 | 24 | 24 | 23 | 23 | 23 | 27 | 28 | 26 | 23 | 22 | 22 | 22 | 22 | 24 | 26 | 25 | 23 | 22 |
| Feels °C (?) | 22 | 22 | 22 | 28 | 29 | 30 | 27 | 25 | 24 | 24 | 24 | 29 | 29 | 28 | 26 | 24 | 24 | 24 | 24 | 27 | 28 | 27 | 26 | 25 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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