For San Salvador :
No gale warning.
We are 90% sure of the situation, because the clear patches could move in later than forecast.
Skies very cloudy to overcast in the morning, changeable skies becoming relatively cloud-free in the afternoon. Some showers in the morning, no precipitation in the afternoon. In the evening, light cloudy spells.
NNW force 2 turning SW force 3 in the middle of the day then WSW. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from WSW. Excellent visibility becoming excellent in the middle of the day.