A westerly and mostly variable flow prevails over the whole area.
For Negombo :
No gale warning.
The reliability of the situation is very good.
Skies changeable with risk of thundery outbreaks developing. Showers with possibility of hail in the morning, showers in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. SSW force 2 becoming force 3 in the middle of the day then WSW force 2. Gusts reaching 17 knots in the morning. Smooth to slight sea becoming slight in the evening. Low, short swell from WSW. Good visibility becoming excellent in the middle of the day then good.