Area Forecast Discussion
Issued by NWS Pago Pago

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14
000
FXZS60 NSTU 290056
AFDPPG

AREA FORECAST DISCUSSION FOR AMERICAN SAMOA AND INDEPENDENT SAMOA
NATIONAL WEATHER SERVICE PAGO PAGO AS
156 PM SST SUN AUG 28 2016

.SHORT TERM...
TONIGHT THROUGH TUESDAY NIGHT...A SURFACE HIGH PRESSURE TO THE
SOUTHEAST OF THE TERRITORY WILL CONTINUE TO MAINTAIN MODERATE TO
FRESH EASTERLIES THROUGH MONDAY. THEN WINDS WILL SLIGHTLY DIMINISH BY
MONDAY NIGHT AS THE AFOREMENTIONED HIGH PRESSURE MOVE FURTHER
EAST. FURTHERMORE...WINDS WILL TURN AGAIN TO THE NORTHEAST BY
TUESDAY AS THE AFOREMENTIONED HIGH PRESSURE CONTINUE TO MIGRATE
EAST.

LATEST MODEL SOLUTIONS SHOW A SURFACE TROUGH DEVELOPING TO THE
NORTHWEST OF SAVAII BY MONDAY NIGHT. THIS TROUGH WILL BE PUSHED
CLOSER TO THE TERRITORY BY TUESDAY NIGHT AS A SURFACE HIGH
PRESSURE DEVELOPS NEAR NEW ZEALAND.

HENCE...EXPECT EMBEDDED SHOWERS MONDAY MORNING WITHIN THE
EASTERLY FLOW...AND ALSO MORE SHOWERS AND CLOUDS BY TUESDAY NIGHT
AS THE AFOREMENTIONED TROUGH NEARS THE TERRITORY.

.LONG TERM...
WEDNESDAY THROUGH SUNDAY...MODELS CONTINUE TO SHOW THE
AFOREMENTIONED TROUGH AFFECTING THE SAMOAN ISLANDS THROUGH AT
LEAST FRIDAY. THEN...THE AFOREMENTIONED HIGH PRESSURE NEAR NEW
ZEALAND DOMINATES BY THE WEEKEND AS IT MOVES EAST.
HENCE...TRADES WILL ONCE AGAIN RETURN ACROSS THE AREA BY
FRIDAY...REACHING FRESH LEVELS BY AT LEAST SATURDAY NIGHT.

&&

.MARINE...
LATEST WAVE BUOY OBSERVATIONS SHOW WIND GENERATED HEIGHTS
REMAINING JUST ABOVE ADVISORY CRITERIA. LATEST WAVE WATCH
SOLUTIONS SHOW A CONTINUED DOWNWARD TREND IN SEAS THROUGH
THURSDAY...WITH HEIGHTS SUBSIDING TO BELOW ADVISORY THRESHOLDS
MONDAY NIGHT. THEN ANOTHER LARGE SOUTH SWELL WILL ARRIVE THEREAFTER.
WIND SPEEDS ARE ALSO EXPECTED TO DIMINISH BY AT LEAST MONDAY
NIGHT. HENCE...WILL CONTINUE BOTH ADVISORIES FOR SMALL CRAFTS AND
HIGH SURFS THROUGH MONDAY AFTERNOON...WITH THE LIKELIHOOD OF
REISSUING BOTH TOWARD THE END OF THE WEEK DUE TO THE ARRIVAL OF
THE AFOREMENTIONED SOUTH SWELL.

&&

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

&&

$$

LUTU-MCMOORE





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.