Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 240127

Area Forecast Discussion
National Weather Service Pago Pago  AS
227 PM SST Tue Jul 23 2024

Breezy conditions and fair weather remains over the territory as
a ridge continues to build in the area. Expect partly cloudy skies
and isolated showers to hold through Wednesday. However, latest
satellite data shows a line of thunderstorms associated with a
trough just north of the Samoa Island chain. This line is
anticipated to move in the area Wednesday night as the
aforementioned ridge weakens.

A low pressure system forecast to develop near Fiji will also aid
in pulling the trough towards the Islands. Expect an uptick in
showers through Thursday, while winds shift from east to west
through Saturday as the low moves poleward during this time.
Furthermore, fair weather and breezy winds will return for the
rest of the forecast period as another high pressure system
builds to the south.

Rough and choppy seas remain along the American Samoa coastal
waters due to strong trade winds. Wind-driven waves are high
enough to produce surf within the High Surf Advisory criteria
through Thursday. However, the aforementioned gale (low pressure)
may produce swells to hold the High Surf Advisory through the end
of the week.


High Surf Advisory
Small Craft Advisory