Pago Pago, American Samoa Weather Conditions

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Current Conditions

  • 80°
  • Mostly Cloudy
  • Wind: ESE 6 mph
  • Humidity: 85%
  • Visibility: 10.0 miles
  • Dew Point: 75°
  • Pressure: 29.87 in. +
  • Heat Index: 85

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Next 12 Hours

11  pm
2  am
5  am
8  am
11  am
Partly Cloudy
Partly Cloudy
Overcast
Overcast
Chance of Rain
Chance of Rain
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
77°
76°
76°
77°
79°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Partly Cloudy
  • High: 79 °
  • Low: 75 °
  • Partly Cloudy
  • Wednesday
  • Partly Cloudy
  • High: 79 °
  • Low: 76 °
  • Partly Cloudy
  • Thursday
  • Partly Cloudy
  • High: 80 °
  • Low: 77 °
  • Partly Cloudy
  • Friday
  • Partly Cloudy
  • High: 81 °
  • Low: 78 °
  • Partly Cloudy
  • Saturday
  • Thunderstorm
  • High: 82 °
  • Low: 77 °
  • T-Storms

Forecast for Pago Pago, American Samoa

Updated: 9:15 am SST on December 07, 2005

  • Today

    Occasional showers with isolated thunderstorms. Highs in the mid 80s. Variable winds 10 mph...with higher gusts in showers.

  • Tonight and Thursday

    Scattered showers with isolated thunderstorms. Lows near 80. High near 90. Variable winds 10 mph.

  • Friday and Saturday

    Occasional showers. Highs in the upper 80s. Lows near 80. Variable winds 10 mph.

  • Sunday

    A few showers. Highs near 90. Northwest winds 10 to 15 mph.

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NWS Forecaster Discussion




Area forecast discussion 
National Weather Service tiyan GU 
459 PM chst Tuesday Aug 4 2015 


Synopsis... 
radar and satellite imagery shows scattered showers mainly in 
coastal waters east of the Mariana islands. Super Typhoon Soudelor 
is near 19n138e continues to move west-northwest away from the 
marianas. Stream line analysis indicates moderate southerly flow 
across the region with strong southwest monsoon winds southwest of 
the marianas. 


&& 


Discussion... 
converging south to southwest flow is triggering scattered showers 
mainly across eastern coastal waters of the marianas. Models 
continue to show an active monsoon pattern across Yap state and 
are indicating a trend for scattered showers to move primarily 
east of the marianas by Thursday. Ridging is prognosticated to build over 
the marianas early next week allowing drier conditions to filter 
into the marianas region. 


&& 


Marine... 
buoy data indicate northwest swell generated by Super Typhoon 
Soudelor remains the primary swell arriving across the marianas. 
Fresh to strong southwest monsoon flow over Palau and Yap state 
will produce southwest swell that will increase further across 
the marianas tonight and Wednesday. The combined effects from 
these swell will produce hazardous surf across the marianas for 
the next few days. Combined seas of near 10 feet at Saipan are 
expected to drop further tonight as Soudelor moves farther away 
and could fall below advisory levels Wednesday morning. 


&& 


Eastern micronesia... 
a monsoon trough stretches across eastern micronesia from 10n160e 
to a circulation near 1n173e. Low-level convergence along the edge 
of the trough will bring scattered showers Pohnpei tonight and 
Wednesday. The area of convergence will shift westward and allow 
drier air to prevail across Pohnpei Wednesday night. Kosrae will 
be close enough to the convergence area to produce isolated 
thunderstorms there through Wednesday. Meanwhile...the bulk of the 
shower activity will remain south of Majuro. 


Long period swell from the southern hemisphere will cause high surf 
along south facing shores of Kosrae through Thursday night. 


&& 


Western micronesia... 
low-level convergence south of a monsoon trough brought scattered 
showers and isolated thunderstorms to Palau and Yap this afternoon. 
This convergent band will continue to bring wet weather to Palau 
on Wednesday. It will lift slightly northward taking the scattered 
showers with it. The scattered showers and isolated thunderstorms 
will remain over Yap through Thursday night. Chuuk will remain far 
enough away from activity in western or eastern micronesia that 
isolated showers and thunderstorms are all that is expected there 
through the forecast period. 


Typhoon Soudelor is pushing north swell towards Palau and Yap. 
This swell added to seas increased by monsoon winds will produce 
combined seas high enough to be hazardous for small craft through 
Thursday. These swell will produce hazardous surf at these two 
locations through the week. 


&& 


Gum watches/warnings/advisories... 
GU...high surf advisory until 6 PM chst Friday for guz001>004. 


Marianas waters...Small Craft Advisory for hazardous seas until 6 am chst 
Wednesday for pmz151>154. 


&& 


$$ 


Williams/ziobro 






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