Pago Pago, American Samoa Weather Conditions

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Current Conditions

  • 78°
  • Clear
  • Wind: SE 7 mph
  • Humidity: 66%
  • Visibility: 10.0 miles
  • Dew Point: 66°
  • Pressure: 30.14 in. +

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Next 12 Hours

9  am
12  pm
3  pm
6  pm
9  pm
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Chance of Rain
Chance of Rain
Chance of Rain
Chance of Rain
Partly Cloudy
Partly Cloudy
79°
82°
81°
79°
77°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Chance of Rain
  • High: 82 °
  • Low: 71 °
  • Chance of Rain
  • Sunday
  • Chance of Rain
  • High: 81 °
  • Low: 72 °
  • Chance of Rain
  • Monday
  • Chance of Rain
  • High: 81 °
  • Low: 71 °
  • Chance of Rain
  • Tuesday
  • Clear
  • High: 83 °
  • Low: 72 °
  • Clear
  • Wednesday
  • Clear
  • High: 84 °
  • Low: 71 °
  • Clear

Forecast for Pago Pago, American Samoa

Updated: 5:17 AM HST on January 28, 2015

  • Saturday

    Partly cloudy this morning. A few showers developing during the afternoon. High 82F. Winds W at 10 to 15 mph. Chance of rain 30%.

  • Saturday Night

    A shower or two around the area early, then partly cloudy overnight. Low 71F. Winds SSW at 5 to 10 mph. Chance of rain 30%.

  • Sunday

    Overcast with rain showers at times. High 81F. Winds SW at 10 to 15 mph. Chance of rain 50%.

  • Sunday Night

    Considerable clouds early. Some decrease in clouds late. Low 72F. Winds SSE at 5 to 10 mph.

  • Monday

    Partly cloudy skies during the morning hours will give way to occasional showers in the afternoon. High 81F. Winds SW at 10 to 15 mph. Chance of rain 60%.

  • Monday Night

    Cloudy with a few showers. Low 71F. Winds SSW at 5 to 10 mph. Chance of rain 30%.

  • Tuesday

    Sunny along with a few clouds. High 83F. Winds WNW at 10 to 15 mph.

  • Tuesday Night

    A few clouds from time to time. Low 72F. Winds SSE at 5 to 10 mph.

  • Wednesday

    Mostly sunny skies. High 84F. Winds W at 10 to 15 mph.

  • Wednesday Night

    A few clouds from time to time. Low 71F. Winds SSE at 5 to 10 mph.

  • Thursday

    Partly cloudy. High 84F. Winds WSW at 10 to 15 mph.

  • Thursday Night

    A few clouds. Low 73F. Winds SSE at 5 to 10 mph.

  • Friday

    Sunshine and clouds mixed. High 84F. Winds WSW at 5 to 10 mph.

  • Friday Night

    A few clouds. Low 72F. Winds SSE at 5 to 10 mph.

  • Saturday

    Sunshine and clouds mixed. High 83F. Winds WSW at 10 to 15 mph.

  • Saturday Night

    Partly cloudy. Low 72F. Winds S at 5 to 10 mph.

  • Sunday

    Partly cloudy skies during the morning hours will give way to occasional showers in the afternoon. High 83F. Winds WSW at 10 to 15 mph. Chance of rain 40%.

  • Sunday Night

    Rain showers early with clearing later at night. Low 71F. Winds S at 5 to 10 mph. Chance of rain 50%.

  • Monday

    Cloudy with occasional showers. High 83F. Winds SW at 5 to 10 mph. Chance of rain 50%.

  • Monday Night

    Showers early becoming less numerous late. Low 72F. Winds SE at 5 to 10 mph. Chance of rain 50%.

  • Tuesday

    Partly cloudy early followed by mostly cloudy skies and a few showers later in the day. High 82F. S winds shifting to NW at 10 to 15 mph. Chance of rain 30%.

  • Tuesday Night

    Cloudy with a few showers. Low 72F. Winds ESE at 5 to 10 mph. Chance of rain 30%.

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NWS Forecaster Discussion




Area forecast discussion 
National Weather Service tiyan GU 
559 PM chst Sat Mar 28 2015 


Synopsis...east winds and a few showers prevail across the 
marianas this afternoon. A shear line was located near Tinian and 
Saipan. Tropical Storm Maysak will pass south of the marianas 
Monday. 


&& 


Discussion... 
updated winds at various places in the forecast. The pressure 
gradient between high pressure to the north and Maysak will cause 
winds to increase Sunday across the local area and remain elevated 
on Monday. Models Show Low-level convergence north of Maysak which 
will cause a good chance of showers Monday through Tuesday night. 
Scattered showers are expected across the marianas at that time. 
Isolated showers should return Wednesday. 


&& 


Marine... 
scatterometer data showed stronger winds across Tinian and Saipan 
waters in association with the shear line. Issued a Small Craft 
Advisory for tonight for this area. Winds will increase across 
all the marianas waters Sunday as the pressure gradient between 
high pressure to the north and Maysak increases. Expect small 
craft conditions for all the marianas waters Sunday through 
Tuesday morning. 


Wave watch data showers a southwest swell entering the area by 
midweek. Since Maysak is expected to become a typhoon it should 
send at least a few swell towards the marianas. Brought in a two 
foot swell from the southwest on Wednesday and continued it 
through at least Friday. 


&& 


Eastern micronesia... 
Tropical Storm Maysak is moving across western micronesia. A 
near- equatorial trough extends southeastward from Maysak passing 
just south of Kosrae to end near tarawa atoll. Converging surface 
winds near this trough will continue to spark off convection near 
Pohnpei and Kosrae through tonight. As Maysak and the near-equatorial 
trough drift westward on Sunday...it will allow a surface ridge to 
shift from the Marshall Islands to over Kosrae and Pohnpei. 
Therefore expect quieter weather for both places Sunday night and 
Monday. A trade-wind disturbance is progressing westward from the 
date line this afternoon. It will arrive at the Marshall Islands 
later this evening. Anticipate increasing shower coverage near 
Majuro by midnight with isolated thunderstorms. After the passage 
of this disturbance on Monday night...much dryer northeast trades 
should dominate the Marshalls through midweek. For Kosrae and 
Pohnpei...this same disturbance will also bring showery conditions 
by Tuesday. 


A trade-wind surge expected to develop east of the date line early 
next week should cause trade-wind waves and swell to build across 
Kosrae and the Marshall Islands. Need to monitor for possible high 
surf and hazardous seas for small craft. 




&& 


Western micronesia... 
Tropical Storm Maysak is expected to move close to and north of 
Chuuk. The closest Point of approach will be late tonight or 
early Sunday morning. A typhoon warning is in effect for Chuuk as 
Maysak intensifies to possibly a typhoon late tonight. 4 to 6 
inches of rain are probable by Sunday evening. Increasing wind 
waves will combine with existing trade-wind swell to cause seas to 
build above 12 feet tonight through Sunday morning as Maysak moves 
through. Things should gradually improve Sunday afternoon and evening 
as Maysak departs the Chuuk area. However converging southeast 
winds will keep periodic showers around through Monday before surface 
ridging from the east finally introduces fairer weather on 
Tuesday. Showers might return near midweek as a trade disturbance 
approaches from near Pohnpei. 


A surface trough is coupling with a shear line to generate isolated 
convection over Yap. This convection is expected to reach Koror 
Sunday morning. As Tropical Storm Maysak moves toward the region on 
Monday...subsidence along with divergent surface winds to the west 
of the storm might provide a brief period of drier conditions for 
Koror and Yap. For Tuesday and Wednesday...stormy conditions are 
expected near Yap from Maysak. 


&& 


Gum watches/warnings/advisories... 
GU...none. 
Marianas waters...Small Craft Advisory until 6 am chst Tuesday for pmz153-154. 


Small Craft Advisory from 6 am Sunday to 6 am chst Tuesday for 
pmz151-152. 


&& 


$$ 


Ziobro/devita 



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