Pago Pago, American Samoa Weather Conditions

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Current Conditions

  • 78°
  • Clear
  • Wind: SSE 4 mph
  • Humidity: 62%
  • Visibility: 10.0 miles
  • Dew Point: 64°
  • Pressure: 29.99 in. -

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Next 12 Hours

2  am
5  am
8  am
11  am
2  pm
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Overcast
Overcast
Mostly Cloudy
Mostly Cloudy
Rain Showers
Rain Showers
75°
75°
79°
84°
84°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Rain Showers
  • High: 86 °
  • Low: 73 °
  • Rain Showers
  • Sunday
  • Rain Showers
  • High: 86 °
  • Low: 73 °
  • Rain Showers
  • Monday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 73 °
  • Chance of T-Storms
  • Tuesday
  • Mostly Cloudy
  • High: 86 °
  • Low: 75 °
  • Mostly Cloudy
  • Wednesday
  • Mostly Cloudy
  • High: 86 °
  • Low: 75 °
  • Mostly Cloudy

Forecast for Pago Pago, American Samoa

Updated: 11:00 PM HST on October 31, 2014

  • Saturday

    Overcast in the morning, then mostly cloudy with rain showers. High of 86F. Winds less than 5 mph. Chance of rain 20%.

  • Saturday Night

    Overcast with rain showers in the evening, then partly cloudy with rain showers. Low of 73F. Winds less than 5 mph. Chance of rain 30%.

  • Sunday

    Overcast with rain showers. High of 86F. Winds from the South at 5 to 10 mph. Chance of rain 30%.

  • Sunday Night

    Overcast with rain showers in the evening, then partly cloudy with rain showers. Low of 73F. Winds less than 5 mph. Chance of rain 40%.

  • Monday

    Mostly cloudy with rain showers, then a chance of a thunderstorm and rain in the afternoon. High of 86F. Winds from the WNW at 5 to 10 mph. Chance of rain 40%.

  • Monday Night

    Overcast with a chance of rain after midnight. Low of 73F. Winds from the NW at 5 to 10 mph. Chance of rain 40%.

  • Tuesday

    Overcast. High of 86F. Winds from the WNW at 5 to 10 mph.

  • Tuesday Night

    Overcast in the evening, then partly cloudy. Low of 75F. Winds from the NW at 5 to 10 mph.

  • Wednesday

    Mostly cloudy in the morning, then overcast. High of 86F. Winds from the North at 5 to 10 mph.

  • Wednesday Night

    Overcast. Low of 75F. Winds from the NNE at 5 to 10 mph.

  • Thursday

    Mostly cloudy. High of 84F. Winds from the NW at 5 to 10 mph.

  • Thursday Night

    Mostly cloudy. Low of 73F. Winds from the NW at 5 to 10 mph.

  • Friday

    Mostly cloudy. High of 84F. Winds from the NNW at 5 to 10 mph.

  • Friday Night

    Partly cloudy. Low of 73F. Winds from the North at 5 to 10 mph.

  • Saturday

    Mostly cloudy. High of 86F. Winds from the NNE at 5 to 10 mph.

  • Saturday Night

    Partly cloudy. Low of 75F. Winds from the ENE at 5 to 10 mph.

  • Sunday

    Mostly cloudy. High of 86F. Winds from the ENE at 5 to 10 mph.

  • Sunday Night

    Partly cloudy. Low of 75F. Winds from the ENE at 5 to 10 mph.

  • Monday

    Partly cloudy with a chance of rain. High of 86F. Winds less than 5 mph. Chance of rain 20%.

  • Monday Night

    Overcast with a chance of a thunderstorm. Low of 75F. Winds less than 5 mph. Chance of rain 40%.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm. High of 86F. Winds less than 5 mph. Chance of rain 40%.

  • Tuesday Night

    Clear. Low of 75F. Winds from the ENE at 5 to 15 mph.

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NWS Forecaster Discussion



AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TIYAN GU
646 PM CHST SAT NOV 1 2014

.MARIANAS SYNOPSIS...
TROPICAL STORM NURI AT 13N133E IS MOVING VERY SLOWLY FARTHER AWAY 
FROM THE MARIANAS. ASCAT ANALYSIS INDICATES A MONSOON TROUGH RUNS 
EASTWARD FROM NURI ACROSS OUR FORECAST ZONES...THEN SOUTHEASTWARD 
THROUGH A WEAK CIRCULATION AT 14N148E TO END NORTH OF POHNPEI AT 
ABOUT 9N155E. RADAR SHOWS ONLY ISOLATED SHOWERS ACROSS THE RADAR 
COVERAGE AREA. SATELLITE SHOWS CONVECTIVE CLOUDS IN A BAND FROM 
ACROSS SAIPAN AND TINIAN SOUTHEASTWARD TO NORTH OF POHNPEI. VAD 
GRADIENT WINDS ARE FROM NORTHWEST AT 5 KT. 

&&

.DISCUSSION...
UNSETTLED WEATHER WILL CONTINUE ACROSS THE LOCAL AREA. MOST MODELS 
INDICATE AS TROPICAL STORM NURI EVENTUALLY MOVES TOWARD NORTHWEST 
THE MONSOON TROUGH WILL GRADUALLY DRAG ACROSS THE MARIANA FORECAST 
ZONES. GFS INDICATES THE WEAK CIRCULATION NEAR 14N148E WILL ALSO 
MOVE TOWARD NORTHWEST ACROSS THE TINIAN/SAIPAN AREA...AND COULD 
PRODUCE PERIODS OF HEAVY RAIN. THIS WILL ALL NEED TO BE MONITORED 
CAREFULLY. LONGER RANGE MODEL SOLUTIONS INDICATE A DRIER EASTERLY 
FLOW WILL ARRIVE LATER NEXT WEEK PERHAPS BY WEDNESDAY OR THURSDAY.

&&

.MARINE...
SLOW-MOVING TROPICAL STORM NURI WILL LIKELY INTENSIFY AND GENERATE
LARGE SWELL THAT WILL AFFECT WESTERN SHORES OF THE MARIANAS IN THE
COMING DAYS. A HIGH SURF ADVISORY MIGHT BE NEEDED BY WEDNESDAY AND
COMBINED SEA CONDITIONS COULD ALSO APPROACH SMALL CRAFT ADVISORY
CRITERIA BY THURSDAY.

&&

.EASTERN MICRONESIA... 
LIGHT TO GENTLE TRADE WINDS ALONG WITH MID-LEVEL DRYNESS ARE GOING
TO MAINTAIN FAIR WEATHER FOR CHUUK...POHNPEI UNTIL MONDAY...AND
KOSRAE THRU SUNDAY MORNING. FARTHER EAST...TWO TRADE DISTURBANCES
CAN BE SEEN NEAR THE WESTERN MARSHALL ISLANDS AT 167E AND EAST OF
MAJURO AT 175E. THE REMNANTS OF THE FIRST DISTURBANCE COULD BRING
A FEW SHOWERS TO KOSRAE SUNDAY EVENING...AND TO POHNPEI AND CHUUK
MONDAY AND TUESDAY. THE SECOND DISTURBANCE IS APPROACHING THE
MARSHALL ISLANDS AND WILL INCREASE SHOWER COVERAGE THERE LATER
TONIGHT. THIS SAME DISTURBANCE WILL PROGRESS WESTWARD AND AFFECT
KOSRAE...POHNPEI AND CHUUK NEAR MIDWEEK. LATEST ASCAT SATELLITE
IMAGERY REVEALS A NEAR-EQUATORIAL TROUGH BETWEEN 5N AND 10N
STRETCHING EASTWARD FROM NEAR THE DATE LINE TO BEYOND 160W. THIS
FEATURE IS EXPECTED TO MIGRATE WESTWARD AND PROLONG SHOWERY
WEATHER FOR THE ENTIRE REGION THRU MIDWEEK NEXT WEEK.

LONG-PERIOD BUT SMALL SOUTH SWELLS GENERATED BY A STORM SYSTEM
NEAR NEW ZEALAND WILL ARRIVE AT THE MARSHALL ISLANDS BY SUNDAY
MORNING. SINCE THE TIDE CYCLE WILL BE AT THE MINIMUM LEVELS FOR
THE NEXT COUPLE OF DAYS...NO HAZARDOUS SURF OR COASTAL INUNDATIONS
ARE ANTICIPATED.

&&

.WESTERN MICRONESIA...
BEING UNDER A SIMILAR TRADE-WIND REGIME...REASONING FOR THE CHUUK
FORECAST IS INCLUDED IN THE EASTERN MICRONESIA SECTION ABOVE.

CONVERGING SOUTHWEST TO SOUTH WINDS FEEDING INTO TROPICAL STORM NURI 
WILL KEEP SPORADIC CONVECTION NEAR KOROR AND YAP THIS EVENING. AS 
NURI TRACKS NORTHWESTWARD FARTHER AWAY TONIGHT...THIS CONVECTION 
WILL ALSO SHIFT NORTH OF BOTH LOCATIONS BY LATE TONIGHT. BY 
SUNDAY...A RIDGE OF HIGH PRESSURE JUST WEST OF CHUUK NEAR 6N148E 
WILL BUILD WESTWARD AND PROMOTE PARTLY CLOUDY SKIES FOR THE AREA. 
HOWEVER BOTH THE GFS AND ECMWF ARE HINTING THE MONSOON TROUGH MIGHT 
REFORM JUST NORTH OF KOROR AND YAP AROUND MIDWEEK. IF SO...THINGS 
COULD BECOME UNSTABLE AGAIN...THEREFORE HAVE ADDED MOSTLY CLOUDY 
SKIES TO THE LONG-TERM FORECAST.

&&

.GUM WATCHES/WARNINGS/ADVISORIES...
GU...NONE.
MARIANAS WATERS...NONE.
&&

$$

ZIOBRO/SIMPSON/CHAN


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