WxDecoder
PGUA · UAM

Andersen Air Force Base

YigoElevation 627 ftMedium airport
CURRENT STATUS
MVFR19 min old
Ceiling 1,200 ft, visibility 10 SM, rain.
FLIGHT CATEGORY
MVFR
ceiling & visibility
WIND
200@11
steady
VISIBILITY
10 SM
16.1 km
CEILING
1,200 ft
lowest BKN/OVC
DENSITY ALT
2,320 ft
+1,693 ft vs field
CURRENT METAR

Decoded observation

Observed 0444Z (2:44 PM local) · 19 min old

PGUA is currently MVFR. Winds are from the south at 11 knots. Visibility is 10 statute miles. The ceiling is 1,200 feet AGL. Reported weather: light rain. The main issue is ceiling 1200 ft agl (mvfr).

WIND
200° at 11 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
Ceiling 1,200 ft
Lowest broken or overcast layer.
TEMP / DEWPOINT
27°C / 25°C
81°F / 77°F. 2°C spread.
ALTIMETER
29.80 inHg
1009.1 hPa, near standard.
WEATHER & HAZARDS
RA, LOW CIG
Rain reported.

Codes in this report: FEW BKN OVC RMK CIG

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2A
automated station with observer augmentation
RAB44
rain began at :44 past the hour
CIG 010V014
ceiling varying between 1000 and 1400 feet
CIG
unrecognized remark group
010
unrecognized remark group
RWY24L
unrecognized remark group
SLP082
sea-level pressure 1008.2 hPa
$
station needs maintenance
TERMINAL AERODROME FORECAST

TAF timeline

Issued 1800Z (4:00 AM local) · valid to 0000Z (10:00 AM local)

PGUA forecast starts VFR at 18Z. Conditions are roughly steady over the period.

  • Maximum temperature 31°C expected at 0300Z on day 10.
  • Minimum temperature 26°C expected at 1800Z on day 10.
VFR
1800Z4:00 AM0000Z10:00 AM0600Z4:00 PM1200Z10:00 PM1800Z4:00 AM0000Z10:00 AM

Codes in this report: 9999 SCT

Tap any group to decode it.

FAA: no delays reported at UAM.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Moderate

›Conditions are MVFR.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category MVFR, wind from 200° at 11 kt, visibility 10 SM, ceiling 1,200 ft. Forecast suggests this afternoon scattered showers and thunderstorms, high near 88F, low near 77F, 25% chance of precipitation. Key risks: thunderstorms in the forecast.

PILOT WEATHER NOTES
Thunderstorms in the forecastWeather.gov
This Afternoon: Scattered Showers And Thunderstorms. Watch for developing convection and plan alternates.
DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Scattered Showers And Thunderstorms 88/77 NE 4 kt – 25% Thunderstorms in the forecast
Friday Isolated Rain Showers 89/78 NE 4 kt – 11%
Saturday Slight Chance Rain Showers 89/79 E 4 kt – 20%
Sunday Slight Chance Rain Showers 89/79 ESE 4 kt – 17%
Monday Slight Chance Rain Showers 88/78 E 4 kt – 20%
Tuesday Slight Chance Rain Showers 88/77 NNE 4 kt – 22%
Wednesday Slight Chance Rain Showers 87/79 WNW 9 kt – 28%

Source: National Weather Service (office GUM). Forecast issued 0503Z.

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RUNWAYS & WIND
2 runways · crosswind ranking
ON-FIELD METAR
NESW06L24R06R24L 200°200°11 kt200°200° 11200°
READING THE BARB · SWIPE FOR MORE →
Calm
5 kt
10 kt
15 kt
20 kt
25 kt
30 kt
35 kt
40 kt
45 kt
50 kt
65 kt
75 kt
100 kt
105 kt
Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.
WIND USED
200° at 11 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 24R8 kt headwind · 8 kt crosswind
RUNWAYS BY WIND · best end
24R
HEAD
8 kt
CROSS
8 kt L
BEST
24L
HEAD
8 kt
CROSS
8 kt L
X-WIND
06L
HEAD
8 kt tail
CROSS
8 kt R
X-WIND
06R
HEAD
8 kt tail
CROSS
8 kt R
X-WIND
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

2 runways · longest 11,185 ft

06L/24R
Dimensions
10,528 x 200 ft
Surface
Asphalt
Edge lights
HIGH
RWY 06L
Approach lightsSALS
VGSIPAPI (P4L)
Traffic patternLeft
RWY 24R
ILSLOC/GS
Approach lightsALSF1
VGSIPAPI (P4L)
Traffic patternRight
06R/24L
Dimensions
11,200 x 200 ft
Surface
Asphalt
Edge lights
HIGH
RWY 06R
ILSLOC/GS
Approach lightsALSF1
VGSIPAPI (P4L)
Traffic patternLeft
RWY 24L
ILSLOC/GS
Approach lightsSALS
VGSIPAPI (P4L)
Traffic patternRight

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
2,320 ft
Pressure altitude
747 ft
Field elevation
627 ft MSL
Temperature
27°C (81°F)
Dewpoint
25°C (77°F)
Altimeter
29.80 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0825Z 6:25 PM
Sunrise
2009Z 6:09 AM
Loggable night
0847Z (6:47 PM local) → 1947Z (5:47 AM local)
end of evening to start of morning civil twilight
Position lights required
0825Z (6:25 PM local) → 2009Z (6:09 AM local)
sunset to sunrise (91.209)
Night passenger currency
0925Z (7:25 PM local) → 1909Z (5:09 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Andersen Air Force Base is in Yigo. Field elevation 627 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipAir Force owned
UsePrivate use
TypeMedium airport
ManagerMAJOR BILLY G TOWLES
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAPGUA / UAM
SectionalGNC 7
Center (ARTCC)GUAM
Flight service (AFSS)HONOLULU
CountryGuam
Coordinates13.5840, 144.9300
Distance from city0 NM N
SERVICES & LIGHTING
Control towerTowered
BeaconSunset to sunrise · White-green (lighted land airport)
FREQUENCIES

Communications

118.7
GUAM APP/DEP
A/D
128
AMC COMD POST
ACP
118.175
ATIS
ATIS
121.7
GND
GND
118.7
GUAM CERAP
MISC
23.93
13AF AOC
OPS
34.46
PMSV METRO
PMSV
31.1
36 ABW COMD POST
POST
139.3
PTD
PTD
126.2
TWR
TWR

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

PGUM Antonio B. Won Pat International Airport
10 NM SW
VFR
PGRO Rota International Airport
40 NM NE
VFR
PGWT Francisco Manglona Borja / Tinian International Airport
94 NM NE
VFR
PGSN Saipan International Airport
103 NM NE
VFR
AIRPORT REMARKS

Operational remarks

›CAUTION - PAVEMENT ACROSS NR1 SPOT H1 (OLD HSC25 HGR) UNUSE FOR ACFT OPS.
›MISC: AFLD MGT HAS NO COMSEC STORAGE AVBL FOR TRAN AIRCREWS. TRANS AIRCREWS CAN STORE COMSEC UP TO TOP-SECRET AT 36 WG CP.
›MISC: ALL AIRCREWS TO RON MUST CK INTO AFLD MGT OPS AND PROVIDE POC INFO UPON ARR.
›MISC: WX OPR H24, DSN 315-366-5230. AUTOMATED SENSOR PRVDS OBSN; AUGMENTED DUR HAZ WX & SENSOR OUTAGES. HUMAN WX OBSN VIEW OBSTD BY BLDG N-SSE. WX STN PRVDS LTD WX BRIEF SUPPORT. REMOTE WX BRIEF AVBL H24 FR 17 OWS AT DSN 315-449-8333/7950, C808-448-3809; 2 HR NTC RQRD FOR TIMELY BRIEF.
›HAZUS AIR TURB FINAL APCH RWYS 24L/24R. NO VSBY REF AVBL ON NGT TKOF BYD END RWY 6.
›RSTD: ALL ACFT CTC 36 WG COMD POST 90 MIN OUT AND AT 30 MIN OUT PRIOR TO ARR.
›MISC: AIRCRAFT EXCEEDING AFLD WEIGHTS MUST REQUEST WEIGHT BEARING CAPACITY WAIVER WITH 24 HR NOTICE TO AIRFIELD OPS TO PROCESS ANY APPROVALS NEEDED. IF REQUESTS ARE NOT MADE WITHIN 24 HRS EXPECT DELAYS.
›SERVICE-A-GEAR: CONTACT CONTROL TOWER 30 MIN PRIOR FOR DEPARTURE END BAK12 CABLE CONFIGURATION. 60 MIN PN FOR CHG IN CONFIGURATION. BAK12 HOUSING LCTD 317' FROM RY CENTERLINE, 217' FROM RY EDGE, MAX HEIGHT 8'. NO ARRESTING-GEAR MARKER LCTD ON LEFT SIDE OF ALL APPROACH END BARRIERS.
›A-GEAR BAK-12 RWYS 06L & 06R 30 MIN NTC RQR.
›RSTD: PPR REQ DSN: AFLD MGMT C315-366-1010.
›MISC: ATTN: ALL DRY ICE REQ MUST BE MADE THRU 734TH MS/ATOC DSN 315-366-3125/3137/3162 OR C671-366-3125/3137/3162. REQ MUST BE MADE AT LEAST 24 HR IN ADVANCE FOR ACFT LDG TUE-FRI AND 72 HR IN ADVANCE FOR ACFT LDG SAT-MON. DUR HOL, ADD 2 HR TO COORD TIME.
›BAK-12A(B) (1970 FT).
›BAK-12A (1794 FT).
›BAK-12A (1610 FT).
›BAK-12A(B) (1567 FT).
›MOD 1300' LENGTH.
›RSTD: RESTRICTIONS TO FLT OPNS DUR EA BWC. MOD: NO TOUCH AND GO LDG. RSTD LOW APPCH NO LOWER THAN 200' OR AS DETERMINED BY SOF. SEVERE: RSTD LOW APPCH NO LOWER THAN 200' OR AS DETERMINED BY SOF. EMERG LDG AND 36 OG/CC APV DEP ONLY. PHASE I: PHASE I:1 APR - 31 JUL. PHASE II: 1 AUG - 31 MAR.
›RSTD 1 OF 2: THERE WILL BE NO OVFT OF MARIANA CROW TERRITORIES BLW 1,000 FT AGL FROM SEP-MAY. OVFT BLW 1,000 FT AGL IS ALLOWED BTN JUNE AND AUG, THE CROW NON-BREEDING SEASON.
›MISC: RWY 06L AND 06R UNDERRUNS 1000' AVBL FOR TWY/TKOF. RWY 24R UNDERRUN AVBL 500' FOR TAXI/TKOF.
›CAUTION: USE EXTREME CAUTION FOR EXTV UAS OPS IN VCNTY OF ANDERSEN AFB.
›NS ABTMT: QUIET HR 1200-2000Z (2200-0600L) DLY. NO AFTERBURNER, OR OVR FLT OF BASE AND LCL POPULATED AREAS. OTHER RESTRICTIONS BY NOTAM.
›CAUTION: 47' TACAN ANTENNAE LCTD 1,300 FT NE OF RY 24L & 1,300 FT SE OF RY 24R THLDS.
›AREA BTN 1000' ROLL BAR AND THU LGT RWY 06R AND 06L UNLGTD. LAST 642' PRIOR TO THU LGT 24R UNLGTD.
›SERVICE-FLUID: C-5 NITROGEN SVC CAPABILITY UNAVBL.
›SERVICE-LGT: ARPT BCN 763 FT MSL LCTD 1.4 NM SSW OF AFLD.
›MISC: PAVEMENT PRIOR TO RY 06R AND RY 06L THLDS AVBL FOR TKOF RUN WHEN NECESSARY FOR MSN ACCOMPLISHMENT.
›MISC: ANDERSEN AFB DOES NOT HAVE CAPABILITY TO STORE REFRIGERATED CARGO.
›RSTD: ACFT MUST ADHERE TO PPR ARR +/- 30 MIN. ACFT WITH WINGSPANS GREATER THAN 261' NOT AUTHORIZED.
›RSTD: ALL OPR MUST OBTAIN APVL FR GND AND AMOPS PRIOR TO ENG RUNUP.
›MAINT AVBL 0100-0400 WEEKDAY ONLY; CLOSED WEEKEND & HOL.
›MISC: "NO VHF CAPABILITIES WITH AFLD MGMT."
›ANY CREW RQRG ASSISTANCE FR AGENCIES OUTSIDE OF AFLD SUPPORT, CTC WING RECEPTIONS DSN 315-366-3464, C671-366-3464.
›SERVICE-LGT: RAMP LGT UNAVBL FOR NGT TIME OPS, AND UNSAFE ACFT MVMT COND EXIST ON NORTH RAMP 3; ACFT TAXI AT THEIR OWN RISK. ALL AFLD ILS STOP LGT UNSVC. VEGETATION OBST RWY 06R AND RWY 24R APCH LGT SYS.
›ILS/RADAR-ILS: ILS CRITICAL AREAS NOT PROTECTED.
›BASE OPS V366-4188; FAX V366-6217.
›ALL INBD ACFT TO INCL TACC/GDSS MSNS MUST COORD PPR REQ WITH AFLD MGMT AND HAVE VALID PPR NUMBER APV PRIOR TO ARR. PPR REQ MUST BE MADE MORE THAN 24 HR IN ADVANCE AND NO EARLIER THAN 14 DAYS PRIOR TO ARR/DEP. PPR REQ GIVEN WITHIN 24 HR WILL NOT BE APV.
›RWY 06L/24R CLSD SECOND WED EACH MONTH 2000-2300Z(0600-0900L THU). RWY 06R/24L CLSD FOURTH WED EACH MONTH 2000-23000Z (0600-0900L THU) FOR BAK-12 PMI.
›<1013' OVRN SW END RWY 06L/24R.
›PPR DSN 366-4188/5212, NOT RQR FOR AMC MSN.
›NO ARRESTING GEAR MARKERS LOCATED ON THE LEFT SIDE OF ALL APPROACH END BARRIERS.
›TWY B AND C BTN TWY J AND K CLSD DUE TO CONSTRUCTION.
›RSTD - ACFT DEPARTING RWY 06R MUST START TKOF ROLL FROM TWY F INT (10,892 FT AVBL) TO PREVENT DAMAGE TO ILS LCZR ANT. DEVIATIONS RQR 36 OG/CC APVL.
›CAUTION - 06L GS UNMTO. CAUTION - TACAN UNMTO.
›LGT - 24R ALSF-1 UNSVC.
›COMMUNICATIONS - PMSV METRO - 346.6 REMARKS: UNSVC.
›RWY - FULL LEN OF RWY 06R/24L & RWY 06L/24R GROOVED.
›FREQUENT RAIN SHOWERS OF SHORT DURATION, EXPECT WET RWY BRAKEING ACTION.
›RSTD: BA ON BOTH RWYS MAY BE LESS THAN EXP DUE TO RUBBER BUILD-UP; PROBABILITY OF HYDROPLANING EXISTS.
›RSTD: ALL AEROMEDICAL EVAC MSN ARE RQRD TO CTC COMD POST (DSN 366-2961, C671-366-2961) BY ANY MEANS AVAIL 3 HRS PRIOR TO ARR. ALL ACFT RQRD TO MAKE CALL 30 MIN PRIOR TO ARR.
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Official airport website
↗Wikipedia
↗PGUA on OurAirports
FREQUENTLY ASKED
Does PGUA have a METAR?
Yes. PGUA has a current METAR observation, decoded into plain English on this page.
Does PGUA have a TAF?
Yes, a TAF is issued for PGUA; the decoded forecast timeline is shown above.
What is the field elevation at PGUA?
PGUA sits at 627 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for PGUA?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.