Area Forecast Discussion
Issued by NWS Pago Pago

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FXZS60 NSTU 260057
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
157 PM SST THU AUG 25 2016

.SHORT TERM...
TONIGHT THROUGH SATURDAY NIGHT...PRIMARILY FAIR WEATHER IS EXPECTED
FOR THE SAMOAN ISLANDS AS A HIGH PRESSURE SYSTEM FAR SOUTH OF THE
TERRITORY CONTINUES TO MOVE EAST. THIS HIGH PRESSURE WILL MAINTAIN
A STABLE ATMOSPHERE AS WELL AS MODERATE TO FRESH TRADES THROUGH THE
WEEKEND. HENCE...WILL CONTINUE PREVIOUS FORECAST FOR THE SHORT TERM.

.LONG TERM...
SUNDAY THROUGH THURSDAY...LATEST MODEL SOLUTIONS SHOW THE
AFOREMENTIONED HIGH PRESSURE SYSTEM MOVING FURTHER EAST WHILE A
SURFACE TROUGH DEVELOPS WEST OF SAVAII. THE MOVEMENT OF THE
HIGH...FARTHER EAST FROM THE TERRITORY...WILL CAUSE WINDS TO
SLIGHTLY DIMINISH AND BECOME MORE EASTERLY. AS THE AFOREMENTIONED
TROUGH MOVES CLOSER TO THE SAMOAN ISLANDS...AN UPWARD TREND IN
CLOUDS AND SHOWERS ARE SEEN BY AT LEAST TUESDAY...WITH WINDS
DIMINISHING FURTHER IN SPEED AND BECOMING MORE VARIABLE.
HOWEVER...SINCE MODEL SKILL DIMINISH GREATLY FAR OUT IN
ADVANCE...WILL CONTINUE PREVIOUS FORECAST FOR NOW...WHILE WE
CONTINUE TO MONITOR THE CURRENT OUTPUT SCENARIO.

&&

.MARINE...
LATEST MODEL OBSERVATIONS SHOW SEAS PEAKING TO NEAR 10 FEET
SATURDAY BEFORE GRADUALLY DIMINISHING AGAIN. MODERATE TO FRESH
WINDS WILL ALSO REMAIN ACROSS THE AREA THROUGH THE WEEKEND.
HENCE...WILL CONTINUE ADVISORIES FOR SMALL CRAFTS AND HIGH SURFS.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...
HIGH SURF ADVISORY REMAINS IN EFFECT
SMALL CRAFT ADVISORY REMAINS IN EFFECT

&&

$$

LUTU-MCMOORE





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