Area Forecast Discussion
Issued by NWS Pago Pago

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000
FXZS60 NSTU 310059
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
159 PM SST SAT JUL 30 2016

.SHORT TERM...
.TONIGHT THROUGH MONDAY NIGHT...A SURFACE RIDGE AXIS FROM THE SW
WILL MOVE OVER THE FCST ZONES SUNDAY NIGHT FOLLOWED BY A SURFACE
TROUGH. INCREASING MOISTURE AND RAINFALL ACTIVITY WILL EXTEND
ACROSS THE REGION DURING SUNDAY NIGHT INTO MONDAY AS A RESULT OF
LOW-LEVEL CONVERGENCE NEAR THE TROUGH AXIS. MODERATE TO FRESH
EASTERLIES WILL TURN NORTHEAST AT 10 TO 15 KT SUNDAY...THEN
BECOMING LIGHT AND VARIABLE UP TO 10 DURING MONDAY AND MONDAY
NIGHT. THEREFORE...ANTICIPATE SCATTERED TO NUMEROUS SHOWERS AND
POSSIBLE TSTMS AFTER SUNDAY AFTERNOON BEGINNING FROM SAVAII
EASTWARD INTO MONDAY MORNING.

.LONG TERM...
.TUESDAY THROUGH SATURDAY...FRESH TRADE-WINDS WITH HIGHER GUSTS
AND ISOLATED SHOWERS WILL PERSIST THROUGH THE END OF THE WEEK.
A STRONG HIGH PRESSURE SYSTEM TO THE SSW OF THE AREA WILL MIGRATE
EASTWARD HENCE COOLER AIR TEMPERATURES WILL MOVE ACROSS THE REGION
THROUGH THE WEEK. THEREFORE...ANTICIPATE PARTLY TO MOSTLY CLOUDY
SKIES AND MINIMAL SHOWERS OVER THE NEXT SEVERAL DAYS.

&&

.MARINE...A COMBINATION OF SSW SWELLS FROM LOW PRESSURE SYSTEMS
SOUTH OF AUSTRALIA AND NEW ZEALAND AND TRADE-WIND GENERATED SEAS
AND SWELLS WILL CONTINUE TO MAKE THEIR WAY THROUGH THE SAMOAN
COASTAL WATERS INTO THE NEW WEEK. LARGE SEAS OF 7 TO 9 FT WILL
SUBSIDE TO NEAR 5 TO 7 FT MONDAY BEFORE LONG ANOTHER STRONG SSW
SWELLS UP TO 6 TO 7 FT WILL ARRIVE WEDNESDAY AFTERNOON. AS A
RESULT...ANTICIPATE HAZARDOUS SURFS ALONG THE EAST AND SSW FACING
REEFS ACROSS THE AREA THROUGH SUNDAY. PERHAPS...ANOTHER SERIES OF
LARGE SEAS AND SWELLS WILL RETURN AT LEAST AROUND WEDNESDAY.

&&

.PPG WATCHES/WARNINGS/ADVISORIES...

A HIGH SURF ADVISORY.

A SMALL CRAFT ADVISORY.

&&

$$

CB






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