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Surf Forecasts:
Praia de Sao Marcos surfForecast / Maranhao / Brazil
48hr Weather and Surf, issued 2 am Saturday 01 Nov 2025 -03Forecast update in hr min s Forecast update imminent
Praia de Sao Marcos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia de Sao Marcos sea temperature is
27.9° C
(Which is slightly warmer than usual)How big are the waves at Praia de Sao Marcos today?
The current surf forecast for Praia de Sao Marcos at 4AM is: 0.9m 4s primary swell from a Northeast direction (forecast issued at 02:00am November 01). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Nov) | 1.5ft (0.4m) | 12s |
| Afternoon (01 Nov) | 3ft (0.9m) | 5s |
| Evening (01 Nov) | 2.5ft (0.7m) | 5s |
Table - waves today at Praia de Sao Marcos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 01 | Sunday 02 | Monday 03 | ||||||||||||||||||||||
| 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) (?) | 4 | 4 | 12 | 12 | 4 | 5 | 5 | 5 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 23 | 29 | 37 | 37 | 35 | 31 | 26 | 23 | 21 | 34 | 54 | 73 | 67 | 57 | 64 | 49 | 51 | 55 | 64 | 69 | 67 | 57 | 58 | 53 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:22AM 5.22 | 3:53PM 5.40 | 4:20AM 5.64 | 4:44PM 5.82 | 5:10AM 6.06 | 5:30PM 6.20 | ||||||||||||||||||
Low Tide / height (m) | 9:26AM 1.41 | 9:55PM 1.25 | 10:23AM 1.04 | 10:49PM 0.74 | 11:14AM 0.68 | |||||||||||||||||||
Saturday 01 | Sunday 02 | Monday 03 | ||||||||||||||||||||||
| Sunrise | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - |
 |  |  |  | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 26 | 26 |
| Feels °C (?) | 28 | 27 | 28 | 27 | 27 | 28 | 29 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 25 | 26 | 25 | 26 | 25 | 26 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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