Chuuk, Federated States of Micronesia Weather Conditions

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Current Conditions

  • 81°
  • Haze
  • Wind: NNW 4 mph
  • Humidity: 84%
  • Visibility: 5.0 miles
  • Dew Point: 75°
  • Pressure: 29.84 in. 0
  • Heat Index: 86

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Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Mostly Cloudy
  • High: 86 °
  • Low: NA
  • Mostly Cloudy

Forecast for Chuuk, Federated States of Micronesia

Updated: 1:00 AM ChST on October 21, 2014

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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 knots. 


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. 


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 middle-level dryness are going 
to maintain fair weather for Chuuk...Pohnpei until Monday...and 
Kosrae through 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 through 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 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 European model (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... 
Marianas waters...none. 



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