For Marina Agana :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies with short clear spells. No precipitation in the morning, showers late in the day. In the evening, good clear periods but lots of cloud, too.
Chance of light rain. E force 1 turning WNW force 2 in the middle of the day then NNW force 1. Gusts reaching 8 knots in the middle of the day. Rippled sea. Low, short swell from S. Excellent visibility becoming good in the evening.