Surf Forecasts:
How big are the waves at Praia do Calhau today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 5s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3ft (0.9m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.0m), 8s period with NE swell.
The current surf forecast for Praia do Calhau at 8AM is: 1.2m 5s primary swell from a East-northeast direction and 0.1m 11s secondary swell from a Northeast direction, 0.1m 8s secondary swell from a North direction (forecast issued at 02:00am August 18). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.3m) | 5s |
| Afternoon (18 Aug) | 3ft (0.9m) | 8s |
| Evening (18 Aug) | 3.5ft (1.0m) | 8s |
Table - waves today at Praia do Calhau. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 31°C on Tue morning, min 25°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NE 5 | NE 5 | ENE 5 | ENE 5 | ENE 7 | ENE 8 | NE 8 | NE 8 | NE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 7 | ENE 7 | NE 8 | NE 4 | NE 4 | NE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 8 | NE 8 | NE 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 53 | 53 | 69 | 85 | 121 | 98 | 110 | 110 | 46 | 44 | 48 | 85 | 83 | 70 | 88 | 36 | 40 | 41 | 42 | 62 | 77 | 117 | 125 | 47 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:32PM5.18m | 10:56AM4.94m | 11:09PM4.92m | 11:36AM4.59m | 11:51PM4.61m | 12:24PM4.24m | ||||||||||||||||||
Low Tide | 4:42AM0.54m | 4:58PM0.89m | 5:22AM0.83m | 5:37PM1.22m | 6:08AM1.16m | 6:25PM1.55m | ||||||||||||||||||
 | | |  |  | | | | |  |  | | | | | | | |  | | | | | | |
 | — | — | 6:00 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 31 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 31 | 28 | 27 | 26 | 26 | 26 | 25 | 27 | 29 | 27 | 26 | 26 |
Feels °C | 27 | 27 | 27 | 28 | 31 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 32 | 28 | 27 | 26 | 26 | 27 | 25 | 27 | 29 | 27 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | N 11 | NE 11 | NE 11 | NE 11 | ENE 7 | NE 11 | — | — | — | — | NE 10 | NE 10 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 5 | 5 | 5 | 121 | 5 | — | — | — | — | 4 | 4 | 83 | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | N 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | ENE 5 | ENE 5 | — | ENE 8 | NE 8 | NE 8 | NE 4 | ENE 5 | ENE 5 | ENE 5 | — | ENE 7 | NE 8 | NE 4 | NE 4 | NE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 8 | NE 8 | NE 5 |
| kJ | 53 | 53 | 69 | 85 | — | 98 | 110 | 110 | 46 | 44 | 48 | 85 | — | 70 | 88 | 36 | 40 | 41 | 42 | 62 | 77 | 117 | 125 | 47 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1966 | 1966 | 1966 | 1966 | 3 | 1966 | 1966 | 1434 | 1432 | 1432 | 1432 | 0 | 3 | 1966 | 1966 | 1466 | 1432 | 1432 | 1432 | 1466 | 1966 | 1977 | 1966 | 1966 |
Best forecast wave conditions in Maranhão | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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