835
FXZS60 NSTU 200130
AFDPPG

Area Forecast Discussion
National Weather Service Pago Pago  AS
230 PM SST Wed Jun 19 2024

.Short term...

A ridge of high pressure remains over the American Samoa islands
today to give a mix of sun and clouds over the territory with the
occasional passing shower. Winds have decreased today, but the
easterlies remained between 10 to 15 mph. As the ridge weakens and
moves further away tonight through Friday, winds will also
continue to further weaken. Through Friday, the risk of rainfall
is isolated to scattered (20 to 30% chance). If showers occur, it
will be in the passing form and heavy rainfall is not expected.

On Friday night, a front from the south is forecast to move over
the territory. Rainfall is expected, but flash flooding is not.
After the front moves to the north by Saturday morning, winds will
begin to increase from the south/southeast and the dewpoint will
be much lower than average throughout the weekend. Generally with
a lower dewpoint temperature, the air feels more comfortable and
less humid than usual. The risk of showers will be isolated to
scattered. If rainfall occurs, it will be in the passing form.

.Long term...

For next week, below average rainfall is expected with
breezy southeasterly tradewinds remaining over the region as a
strong ridge of high pressure is forecast to remain over the
territory. Passing trade wind showers may occur, but will be in
the passing form and is not expected to be strong enough to create
flash flooding.

&&

.Marine...

The latest information from the PacIOOS buoy to the east of Aunu`u
showed that seas have eased to below Small Craft Advisory
conditions this morning and is continuing to ease. The main factor
for the lower sea heights are due to the decreasing winds as the
fresh easterly breeze has become a moderate easterly breeze
throughout the day.

Winds are expected to continue decreasing through Friday and will
become a gentle breeze by Thursday and Friday. This will cause
seas to ease to around 5 feet during that time to create ideal sea
conditions with the best conditions during the day on Friday.
However, a front is expected to move through on Friday night,
which will change the weather pattern after it moves to the north
on Saturday morning. A strong ridge of high pressure will generate
a fresh south/southeasterly breeze for the weekend and into next
week. Seas are expected to build up to around 10 feet with higher
sets throughout this time.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...

NONE

&&

$$

LaPlante