Chuuk, Federated States of Micronesia Weather Conditions

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Current Conditions

  • 82°
  • Partly Cloudy
  • Wind: NNE 6 mph
  • Humidity: 77%
  • Visibility: 10.0 miles
  • Dew Point: 74°
  • Pressure: 29.77 in. +
  • Heat Index: 88

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Next 12 Hours

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Mostly Cloudy
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Chance of a Thunderstorm
Chance of T-storms
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 79 °
  • Chance of T-Storms
  • Sunday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 79 °
  • Chance of T-Storms
  • Monday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 80 °
  • Chance of T-Storms
  • Tuesday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 80 °
  • Chance of T-Storms
  • Wednesday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 80 °
  • Chance of T-Storms

Forecast for Chuuk, Federated States of Micronesia

Forecast as of:

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NWS Forecaster Discussion

Area forecast discussion 
National Weather Service tiyan GU 
556 PM chst Friday Jul 31 2015 

Synopsis...light north winds and isolated showers prevail 
across the marianas this afternoon. Winds and showers will 
increase by Sunday as Tropical Storm Soudelor approaches the 
Mariana islands 


left forecast as is for now. Expect light northeast winds tonight 
becoming north on Saturday and Saturday night. Tropical Storm 
Soudelor is expected to pass to the north of Saipan Sunday night 
or early Monday morning. Winds across the local area will become 
more westerly by Sunday night as Soudelor passes to the north. 
Monsoon showers south of Soudelor will increase across the 
marianas with scattered showers Sunday expected over Guam and 
Rota with numerous showers over Tinian and Saipan. As Soudelor 
moves away from the marianas Monday deep layer monsoon moisture 
will remain. This will keep showers scattered across the local 
area through at least Wednesday. 


buoy data shows seas are around 2 to 3 feet. Expect seas and 
swell to increase by Sunday afternoon as Soudelor approaches the 
marianas. Seas and surf will be higher across Tinian and Saipan 
especially Sunday night and Monday. Soudelor is predicted to be a 
strong typhoon after it passes through the marianas. The typhoon 
will push swells towards the marianas and will produce higher surf 
along north and west facing reefs next week. At this time surf is 
predicted to become hazardous only over Tinian and Saipan. If 
Soudelor either becomes strong...moves closer or lingers longer 
than expected than sea and surf could be different. 


Tropical systems... 
Tropical Storm Soudelor was located about 880 miles to the east of 
Guam this afternoon. It is moving in the direction of the 
marianas and is predicted to be near pagan and alamagan Sunday 
night or Monday morning. Soudelor is predicted to become a typhoon 
sometime on Saturday afternoon. It is also expected to be a 
typhoon as it passes through the marianas. If it does track across 
the northern cnmi the strongest winds will remain north of Saipan. 
Tropical storm force winds may occur across Tinian and Saipan and 
associated coastal waters Sunday night and Monday. As with any 
tropical system the track and intensity may change bringing strong 
winds further south. 


Eastern micronesia... 
Tropical Storm Soudelor is 450 miles north-northwest of Pohnpei and 
560 miles northeast of Chuuk...moving westward. Ascat wind analysis 
shows another circulation southeast of Majuro at about 3n173e with 
moderate to fresh west winds from Chuuk state toward the circulation 
southeast of Majuro. Most models indicate the moist monsoon flow 
will persist across eastern micronesia for the next few days with 
showery weather at Chuuk...Pohnpei and Kosrae. The circulation near 
Majuro will need to be watched for further developments. Improving 
weather is expected at Majuro by late Saturday with a slightly drier 
pattern developing by then. 

Westerly winds will cause significant swell and wind waves along the 
west coasts of micronesia. The ww3 model and altimetry data indicate 
short-period waves will be up to 5 or 6 feet across the area in the 
coming days. If the west swell builds up to around 7 feet...then 
high surf advisories may be needed. 


Western micronesia... 
Chuuk discussion is included above with eastern micronesia due to 
a similar synoptic pattern. 

A monsoon trough stretches eastward from 10n130e across Yap state to 
9n143e then curves northeastward into Tropical Storm Soudelor at 
about 14n157e. Scattered showers and a few thunderstorms persist 
across the Republic of Palau between 4n and 8n from 130e to 141e 
while some showers are edging toward Yap. This general pattern is 
expected to continue until ts Soudelor moves to near the Mariana 
islands by late Sunday...and by then the west monsoon winds and 
showers are likely to increase for both Yap and Koror. 

Seas will respond to the westerly winds with combined seas building 
across Palau and Yap this weekend. The west surf in particular could 
become hazardous by Tuesday or Wednesday. 


Gum watches/warnings/advisories... 
Marianas waters...none. 



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