For Barragem do Maranhão : No gale warning.
We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
Sunny becoming changeable in the afternoon. No precipitation.
In the evening, skies clearing but continuing risk of storms. Showers. WNW force 2 in the morning freshening ENE force 4 in the evening. Gusts reaching 32 knots in the evening. Good visibility becoming excellent in the middle of the day then excellent.