Tokunoshima Airport

RJKN / TKN

Amagi, JP

Last Updated
Feb 8, 21:05Z

No METAR Available for RJKN

Showing weather from nearby airport with METAR data.

Currently using: RJKN
Weather Source: Tokunoshima Airport (RJKN)
Distance: 0nm / 0km from RJKN

Current Weather

Display Units
Stale 566 hours ago
21:05Z

☀️ Day
VFR
Flight Rules
10°C
Temperature
Dewpoint: 3°C
15 kt
20° G25 kt
10+ km
Visibility
5,000 ft
Ceiling
Above Ground Level
347 hPa
QNH
Altimeter Setting

Raw METAR

SPECI RJKN 082105Z AUTO 02015G25KT 360V060 9999 FEW036 BKN050 OVC060 10/03 Q1026 RMK A3030

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 17 ft
FEW 3,600 ft AGL
BKN 5,000 ft AGL
OVC 6,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
3,600 ft
AGL (Above Ground)
3,617 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
5,000 ft
AGL (Above Ground)
5,017 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
6,000 ft
AGL (Above Ground)
6,017 ft AMSL
QNH
347 hPa
Sea Level Pressure
For altitude above MSL
QFE
346 hPa
Field Pressure
Height above aerodrome (17 ft)
Pressure Alt
20,005 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 19,409 ft (High - Reduced Performance)
ISA Deviation: -5.0°C

24-Hour Weather Evolution

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Airport Runway Layout

N
JKN
01 ✈️
19

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 01/19
Active: 01
6,561 ft 150 ft ASP
14.8 kt 2.6 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RJKN

331 observations | Sep 2025 - Feb 2026

Flight Rules Distribution

VFR
40.2%
MVFR
36.6%
IFR
19.9%
LIFR
3.3%

Tokunoshima Airport is frequently affected by reduced visibility conditions, with VFR weather only 40.2% of the time and IFR/LIFR conditions occurring in 23.2% of observations. Prevailing winds are from the N averaging 14.1 knots, with gusts recorded up to 31 knots. Temperatures typically range between 9°C and 33°C with an average of 20.9°C. The best months for VFR flying are February, January, September.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 14.1 kt
Maximum Recorded: 31 kt
Calm Winds: 0%
Direction Distribution:
N
32.3%
NE
14.1%
E
24.1%
SE
2.2%
S
6.6%
SW
5%
W
3.4%
NW
12.2%

Temperature Range

Average: 20.9°C
Range: 9°C to 33°C
9°C 33°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0%

Best Months for VFR

February January September

Runway Wind Analysis

Runway 01/19
Favorable wind: 100%
Avg crosswind: 7.5 kt

Statistics computed from 331 METAR observations (Sep 2025 - Feb 2026). Data sourced from official aviation weather services. Updated daily.

Tokunoshima Airport - Airport Information

Airport Details

ICAO Code: RJKN
IATA Code: TKN
Type: medium airport
Status: active
Elevation: 17 ft MSL

Location

City: Amagi
Country: JP
Latitude: 27.836382°
Longitude: 128.881356°
Time Zone: Etc/GMT-9

Runway Information

Runway 01/19
Length: 6,561 ft
Width: 150 ft
Surface: ASP
ILS: No

About Tokunoshima Airport

Overview

Tokunoshima Airport serves the island of Tokunoshima in the Kagoshima Prefecture, Japan, providing critical transportation infrastructure for this remote location. Situated at a low elevation of 17 ft MSL, the airport supports regional aviation with its 6,561 ft asphalt runway capable of handling medium-sized aircraft.

Flying Conditions

Weather observations indicate predominantly favorable flying conditions, with Visual Flight Rules (VFR) conditions present 39.8% of the time and Marginal VFR conditions another 36.2%. The prevailing northerly winds average 13.5 knots, with occasional stronger gusts up to 29 knots, and temperature ranges from 11°C to 33°C, creating generally stable atmospheric conditions.

Notable Features

The airport's single runway (01/19) is well-aligned with the predominant wind direction, with wind conditions favorable 100% of the time. Located at coordinates 27.836382, 128.881356, the airport sits in a maritime environment typical of Japan's southern islands, which can introduce unique local wind and visibility characteristics.

Approach Considerations

Pilots can expect consistent wind conditions from the north, with an average crosswind of 7.2 knots on the primary runway. The most consistent VFR flying conditions occur in January, September, and October, offering optimal periods for operations with typically excellent 10 statute mile visibility and minimal meteorological restrictions.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.