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Praia do Calhau surfForecast / Maranhao / Brazil
48hr Weather and Surf, issued 2 am Tuesday 22 Jul 2025 -03
How big are the waves at Praia do Calhau today?
The current surf forecast for Praia do Calhau at 4AM is: 1.0m 5s primary swell from a Northeast direction and 0.1m 10s secondary swell from a Northeast direction, 0.1m 10s secondary swell from a North direction (forecast issued at 02:00am July 22). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jul) | 3ft (0.9m) | 5s |
| Afternoon (22 Jul) | 3.5ft (1.0m) | 5s |
| Evening (22 Jul) | 3ft (0.9m) | 5s |
Table - waves today at Praia do Calhau. (Swell directed towards the surf break)
Tuesday 22 | Wednesday 23 | Thursday 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) (?) | 5 | 5 | 5 | 5 | 4 | 5 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 7 | 7 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 53 | 57 | 47 | 41 | 36 | 48 | 45 | 51 | 54 | 39 | 39 | 62 | 79 | 83 | 83 | 40 | 54 | 58 | 60 | 78 | 75 | 85 | 83 | 51 |
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 | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:56AM 4.86 | 5:42PM 4.56 | 5:56AM 5.00 | 6:36PM 4.72 | 6:49AM 5.16 | 7:24PM 4.87 | ||||||||||||||||||
Low Tide / height (m) | 10:38PM 1.28 | 11:22AM 0.77 | 11:40PM 1.16 | 12:19PM 0.62 | 12:35AM 0.98 | 1:09PM 0.49 | ||||||||||||||||||
Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:02 | - |
 | | |  |  | |  |  | | | |  | | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | 1 | - | 1 | 2 | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 29 | 28 | 27 | 27 |
| Feels °C (?) | 28 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 28 | 27 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 29 | 28 | 27 | 28 |
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Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Maranhao
Light wind has turned cross-on at Praia do Calhau (light winds from the NE at Aeroporto Internacional de São Luís - Marechal 14 km from Praia do Calhau). 1.0m 5s windswell from the NE with a 0.2m 11s groundswell from the NNE. Swells combining to make to make bigger set waves.
1 h 55 min ago
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