For San Juan :
No gale warning.
The reliability of the situation is good.
Fairly cloudless skies becoming changeable during the morning, very cloudy with possibility of thunder storms in the afternoon. Light showers all day. In the evening, skies clearing but remaining hazy after improving.
No precipitation. E force 4 becoming ENE force 5 in the middle of the day then ESE force 3. Gusts reaching 24 knots in the middle of the day. Slight sea. Low, short swell from ENE. Visibility reduced by mist becoming excellent in the middle of the day then good.