Time : 07:10 (am)



Latest satellite loop images of this morning shows convective cloud band to the west of Samoa extending Southeastward. Surface streamline at1200utc analysed  a trough with a weak convergence zone to the south west of the group. This weather system links to a cyclonic circulation to the West of the forecast zone. An upper-level trough continues to maintain the development of the system South . Sounding indices indicates an unstable atmosphere. An upper-level ridge directs a South westerlies wind aloft, and upper-level moisture providing some showery activities within the nowcast period. There fore: cloudy conditions maintains with some showery activities for nowcast periods with moderate falls and few thunderstorms before easing  in the evening. Few Northeasterly winds.



Another weak convergence zone  to the East associated with a trough behind it will provide some instability by Thursday and Friday. Along this

trough a weak low is expected to develop Southeast of Pago in the latter part of the outlook period with a few showery activities. Latest model

run predicted another low to develop to the West of New Caledonia and is expected to develop by Sunday and drifts East Southeastward.



A ridge far  Northeast maintained moderate Easterlies for Samoan waters throughout the outlook period. Apart from Saturday a wind change is

expected to turn  Northwest due to the aforementioned weak low to the Southeast. Aunu'u wave bouy recorded sustained wave height of 5-7ft. And is expected to remain below the advisory threshold for the duration of this outlook period.