FXZS60 NSTU 190105

AFDPPG



Area Forecast Discussion

National Weather Service Pago Pago  AS

205 PM SST Wed Mar 18 2026



.Short term...



Drier than average easterly flow remains over the American Samoa

islands. Satellite imagery shows more sun than clouds over the

territory with a passing shower that was recorded on some parts of

Tutuila around 11 AM from the ASPA/UH weather stations at A'asu

and Afono. Otherwise, easterly trades remained around 10 mph with

temperatures above average.



Rainfall is forecast to be below average for the rest of the week

with no major changes anticipated in the weather pattern over the

region. Therefore, there is high confidence that there will not be

severe weather. Isolated to scattered (20 to 30% chance) of

passing showers are forecast during this period, with a slightly

higher chance of showers on Thursday night. Easterly winds remain

around 10 mph with temperatures above average.



.Long term...



For the weekend and into early next week, severe weather is still

not expected. Winds remain easterly around 10 mph, but begin to

decrease early next week due to a trough that is expected to

develop well to the south of the islands. If showers occur over

the territory, it will be in the passing form. Temperature remain

above average.



&&



.Marine...



A south/southwesterly swell moved through the American Samoa

coastal waters throughout the day today with northerly swell 

mixing in, which decreased the average period timing throughout 

the waters to create choppy conditions with the moderate easterly 

breeze. These swells are expected to decrease throughout the 

overnight tonight and tomorrow. This will leave conditions under 

the Small Craft and High Surf Advisory levels. Sea heights are 

anticipated to remain around 6 feet through the weekend.



&&



.PPG WATCHES/WARNINGS/ADVISORIES...



NONE



&&



$$



LaPlante