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Surf Forecasts:
Praia do Calhau surfForecast / Maranhao / Brazil
48hr Weather and Surf, issued 2 am Sunday 22 Mar 2026 -03Forecast update in hr min s Forecast update imminent
Praia do Calhau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia do Calhau sea temperature is
28.8° C
(Which is slightly warmer than usual)How big are the waves at Praia do Calhau today?
The current surf forecast for Praia do Calhau at 7AM is: 0.4m 16s primary swell from a Northeast direction and 0.4m 8s secondary swell from a Northeast direction, 0.9m 5s secondary swell from a East-northeast direction (forecast issued at 02:00am March 22). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Mar) | 1.5ft (0.4m) | 16s |
| Afternoon (22 Mar) | 3ft (0.9m) | 15s |
| Evening (22 Mar) | 1.5ft (0.4m) | 15s |
Table - waves today at Praia do Calhau. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 22 | Monday 23 | Tuesday 24 | ||||||||||||||||||||||
| 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) (?) | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 68 | 66 | 65 | 64 | 60 | 375 | 109 | 77 | 104 | 104 | 103 | 387 | 553 | 553 | 119 | 393 | 459 | 128 | 89 | 87 | 88 | 85 | 84 | 84 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | 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) | 9:18PM 5.74 | 9:30AM 5.83 | 9:59PM 5.44 | 10:10AM 5.55 | 10:43PM 5.02 | 10:55AM 5.14 | ||||||||||||||||||
Low Tide / height (m) | 3:19AM 0.12 | 3:43PM -0.16 | 3:58AM 0.44 | 4:27PM 0.18 | 4:41AM 0.87 | 5:17PM 0.64 | ||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - |
 | |  |  | |  | |  | | | | |  |  | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 2 | 3 | 3 | 3 | 2 | 1 | 1 | - | - | - | - | - | - | 1 | 4 | 3 | 1 | 1 | - |
| Temp. °C | 25 | 25 | 26 | 27 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 27 | 27 |
| Feels °C (?) | 27 | 26 | 28 | 29 | 31 | 29 | 28 | 30 | 30 | 28 | 29 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 29 | 30 | 30 | 29 | 30 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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