WxDecoder

ROYN/OGN METAR Yonaguni Airport

Yonaguni, Okinawa PrefectureElevation 70 ftMedium airport
CURRENT STATUS
VFRMore than 1 hour old
Ceiling 3,100 ft, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
010@19
steady
VISIBILITY
10 SM
16.1 km
CEILING
3,100 ft
lowest BKN/OVC
DENSITY ALT
1,134 ft
+1,064 ft vs field
CURRENT METAR

Decoded observation

Observed 1700Z (2:00 AM local) · More than 1 hour old

ROYN is currently VFR. Winds are from the north at 19 knots. Visibility is 10 statute miles. The ceiling is 3,100 feet AGL.

WIND
10° at 19 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
Ceiling 3,100 ft
Lowest broken or overcast layer.
TEMP / DEWPOINT
25°C / 21°C
77°F / 70°F. 4°C spread.
ALTIMETER
30.06 inHg
1017.9 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: AUTO 9999 FEW SCT BKN

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

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

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

Pilot weather notes

Current aviation conditions show flight category VFR, wind from 10° at 19 kt, visibility 10 SM, ceiling 3,100 ft. No extended National Weather Service forecast is available for this location. Key risks: crosswind component.

PILOT WEATHER NOTES
Crosswind componentMETAR
Best runway 08 still has about 17 kt of crosswind. Confirm it is below your personal minimums.

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RUNWAYS & WIND
1 runway · crosswind ranking
ON-FIELD METAR
NESW0826 10°10°19 kt10°10° 1910°
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
010° at 19 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 088 kt headwind · 17 kt crosswind
RUNWAYS BY WIND · best end
08
HEAD
8 kt
CROSS
17 kt L
BEST
26
HEAD
8 kt tail
CROSS
17 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

08/26
Dimensions
4,920 x 150 ft
Surface
ASP
Lighting
Lighted
FIELD CONDITIONS

Performance & density altitude

Density altitude
1,134 ft
Pressure altitude
-70 ft
Field elevation
70 ft MSL
Temperature
25°C (77°F)
Dewpoint
21°C (70°F)
Altimeter
30.06 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
0912Z 6:12 PM
Sunrise
2151Z 6:51 AM
Loggable night
0936Z (6:36 PM local) → 2128Z (6:28 AM local)
end of evening to start of morning civil twilight
Position lights required
0912Z (6:12 PM local) → 2151Z (6:51 AM local)
sunset to sunrise (91.209)
Night passenger currency
1012Z (7:12 PM local) → 2051Z (5:51 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

Yonaguni Airport is in Yonaguni, Okinawa Prefecture. Field elevation 70 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
UseScheduled service
TypeMedium airport
Airline serviceYes
CHARTS & AIRSPACE
ICAO / IATAROYN / OGN
RegionOkinawa Prefecture
CountryJapan
Coordinates24.4673, 122.9798
SERVICES & LIGHTING
Control towerNon-towered
FREQUENCIES

Communications

118.5
REMOTE
A/G

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.

ROIG New Ishigaki Airport
69 NM E
VFR
RCSS Taipei Songshan International Airport
86 NM NW
VFR
RORT Tarama Airport
93 NM E
VFR
RCTP Taiwan Taoyuan International Airport
102 NM W
VFR
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Wikipedia
↗ROYN on OurAirports
FREQUENTLY ASKED
Does ROYN have a METAR?
Yes. ROYN has a current METAR observation, decoded into plain English on this page.
Does ROYN have a TAF?
When ROYN issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at ROYN?
ROYN sits at 70 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for ROYN?
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.