Ioto (Iwo Jima) Airbase

RJAW / IWO

Ogasawara, JP

Last Updated
Mar 4, 09:00Z

Current Weather

Display Units
Aging 1 hour ago
09:00Z

☀️ Day
VFR
Flight Rules
21°C
Temperature
Dewpoint: 18°C
13 kt
340°
10+ km
Visibility
Ceiling
Unlimited
342 hPa
QNH
Altimeter Setting

Raw METAR

METAR RJAW 040900Z 34013KT 9999 SCT015 SCT030 21/18 Q1010 RMK 3CU015 4CU030 A2985

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 384 ft
SCT 1,500 ft AGL
SCT 3,000 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
1,500 ft
AGL (Above Ground)
1,884 ft AMSL
SCT
Scattered (3/8-4/8 sky coverage)
3,000 ft
AGL (Above Ground)
3,384 ft AMSL
QNH
342 hPa
Sea Level Pressure
For altitude above MSL
QFE
329 hPa
Field Pressure
Height above aerodrome (384 ft)
Pressure Alt
20,522 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 21,334 ft (High - Reduced Performance)
ISA Deviation: +6.8°C

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
JAW
07 ✈️
25

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 07/25
Active: 07
8,700 ft 200 ft ASP 68°
0.0 kt 13.0 kt
90° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RJAW

2,930 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
73.3%
MVFR
22.4%
IFR
4.1%
LIFR
0.2%

Ioto (Iwo Jima) Airbase typically experiences VFR conditions 73.3% of the time, though instrument-rated pilots will find IFR weather present approximately 4.3% of observations. Prevailing winds are from the E averaging 11.4 knots. Temperatures typically range between 15°C and 31°C with an average of 23.5°C. The best months for VFR flying are March, September, February.

Wind Analysis

Prevailing Direction: E (90°)
Average Speed: 11.4 kt
Maximum Recorded: 26 kt
Calm Winds: 0.2%
Direction Distribution:
N
15.9%
NE
20.8%
E
32%
SE
9.5%
S
5.1%
SW
4.5%
W
4.4%
NW
7.4%

Temperature Range

Average: 23.5°C
Range: 15°C to 31°C
15°C 31°C

Visibility

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

Best Months for VFR

March September February

Runway Wind Analysis

Runway 07/25
Favorable wind: 100%
Avg crosswind: 6.1 kt

Statistics computed from 2,930 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Ioto (Iwo Jima) Airbase - Airport Information

Airport Details

ICAO Code: RJAW
IATA Code: IWO
Type: medium airport
Status: active
Elevation: 384 ft MSL

Location

City: Ogasawara
Country: JP
Latitude: 24.784153°
Longitude: 141.322610°
Time Zone: Etc/GMT-9

Runway Information

Runway 07/25
Length: 8,700 ft
Width: 200 ft
Surface: ASP
ILS: No

About Ioto (Iwo Jima) Airbase

Overview

Ioto Airbase, located in the Ogasawara island chain, is a strategic medium airport positioned at 24.784153, 141.322610 with an elevation of 384 feet MSL. The airport serves as an important aviation facility in the Pacific region, featuring a single runway 07/25 measuring 8,700 feet with an asphalt surface.

Flying Conditions

Weather conditions at Ioto are predominantly VFR, with 68.7% of observations showing clear conditions and only 5.3% indicating IFR status. The prevailing winds are from the east (90 degrees) at an average of 11.4 knots, with maximum recorded winds of 26 knots. September, October, and December offer the most consistent and favorable flying weather, with excellent visibility averaging 10 statute miles.

Notable Features

The airport's geographical position in the Ogasawara island chain presents unique operational characteristics for pilots. Its isolated location and single runway require careful flight planning and awareness of local meteorological conditions. The consistent easterly winds and high percentage of VFR conditions make it a relatively predictable operating environment for experienced pilots.

Approach Considerations

Runway 07/25 demonstrates highly favorable wind conditions, with 100% wind alignment and an average crosswind of just 5.7 knots. Pilots can expect stable approach conditions, particularly during the peak VFR months of September through December. Temperature variations between 17°C and 31°C should be considered during flight planning and performance calculations.

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.