Surf Forecasts:
How big are the waves at Praia de Sao Marcos today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 1ft (0.3m), 8s period with NE swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 1.5ft (0.4m), 8s period with NE swell.
- Evening surf: Evening surf (21 Jun, local time) - 2.5ft (0.7m), 4s period with NE swell.
The current surf forecast for Praia de Sao Marcos at 10AM is: 0.3m 8s primary swell from a Northeast direction and 0.1m 10s secondary swell from a Northeast direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 02:00am June 21). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 1ft (0.3m) | 8s |
| Afternoon (21 Jun) | 1.5ft (0.4m) | 8s |
| Evening (21 Jun) | 2.5ft (0.7m) | 4s |
Table - waves today at Praia de Sao Marcos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Mon afternoon. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
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 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 5 | ENE 5 | ENE 4 | ENE 4 | NE 4 | NE 5 | NE 5 | NE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 16 | 16 | 10 | 10 | 10 | 17 | 16 | 14 | 21 | 23 | 28 | 29 | 37 | 33 | 26 | 26 | 22 | 35 | 32 | 32 | 34 | 46 | 40 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:53PM5.46m | 12:20PM5.29m | 00:47AM5.26m | 1:18PM5.06m | 1:42AM5.11m | 2:17PM4.93m | ||||||||||||||||||
Low Tide | 6:02AM1.35m | 6:27PM1.49m | 6:59AM1.55m | 7:23PM1.75m | 7:57AM1.70m | 8:21PM1.92m | ||||||||||||||||||
 | |  | | | |  | | | | | | |  | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | 1 | 1 | — | — | — | — | — | — | — | 2 | 1 | — | — | 1 | 3 | 1 | 1 | 3 | — | — | — | 3 | 2 | 1 |
Temp °C | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 30 | 29 | 29 | 30 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 30 | 29 | 31 | 30 | 30 | 29 | 28 | 29 | 30 | 29 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | — | — | — | — | — | NNE 8 | NNE 8 | NNE 8 | NNE 8 | — | — | — | NNE 8 | — | — | — | NNE 8 |
| kJ | 16 | 16 | 10 | 10 | 10 | 17 | 16 | — | — | — | — | — | 12 | 6 | 6 | 12 | — | — | — | 6 | — | — | — | 11 |
Swell 2 Height (m) Direction Period (s) | N 11 | — | NE 10 | NE 10 | NE 10 | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | 4 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 6 | E 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 5 | ENE 5 | ENE 4 | ENE 4 | NE 4 | NE 5 | NE 5 | NE 5 | ENE 4 | ENE 5 | ENE 5 | ENE 5 |
| kJ | 6 | 6 | 6 | 4 | 6 | 5 | 6 | 14 | 21 | 23 | 28 | 29 | 37 | 33 | 26 | 26 | 22 | 35 | 32 | 32 | 34 | 46 | 40 | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 663 | 652 | 595 | 1312 | 1963 | 1963 | 1963 | 1030 | 1030 | 1030 | 595 | 1430 | 1332 | 1963 | 1963 | 1464 | 1244 | 1162 | 595 | 1430 | 1963 | 1963 | 1963 | 1464 |
Best forecast wave conditions in Maranhão | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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