Iwami Airport

RJOW / IWJ

Masuda, JP

Last Updated
Mar 4, 09:00Z

Current Weather

Display Units
Recent 44 min ago
09:00Z

☀️ Day
VFR
Flight Rules
9°C
Temperature
Dewpoint: 0°C
6 kt
350°
10+ km
Visibility
4,500 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR RJOW 040900Z 35006KT 290V030 9999 FEW020 BKN045 09/M00 Q1022

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 184 ft
FEW 2,000 ft AGL
BKN 4,500 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
2,000 ft
AGL (Above Ground)
2,184 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
4,500 ft
AGL (Above Ground)
4,684 ft AMSL

24-Hour Weather Evolution

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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
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Airport Runway Layout

N
JOW
11
29 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 11/29
Active: 29
6,562 ft 148 ft ASP 104°
3.0 kt 5.2 kt
60° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RJOW

1,982 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
90.1%
MVFR
5.9%
IFR
2.5%
LIFR
1.5%

Iwami Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 90.1% of the time. Prevailing winds are from the S averaging 8.6 knots. Temperature extremes range from -3°C to 32°C, reflecting significant seasonal variation. The best months for VFR flying are November, December, January.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 8.6 kt
Maximum Recorded: 29 kt
Calm Winds: 0.3%
Direction Distribution:
N
12%
NE
8.3%
E
3.4%
SE
8.2%
S
25.2%
SW
5.1%
W
17.1%
NW
20.4%

Temperature Range

Average: 13.2°C
Range: -3°C to 32°C
-3°C 32°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0.1%

Best Months for VFR

November December January

Runway Wind Analysis

Runway 11/29
Favorable wind: 100%
Avg crosswind: 4.7 kt

Statistics computed from 1,982 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Iwami Airport - Airport Information

Airport Details

ICAO Code: RJOW
IATA Code: IWJ
Type: medium airport
Status: active
Elevation: 184 ft MSL

Location

City: Masuda
Country: JP
Latitude: 34.676399°
Longitude: 131.789993°
Time Zone: Etc/GMT-9

Runway Information

Runway 11/29
Length: 6,562 ft
Width: 148 ft
Surface: ASP
ILS: No

About Iwami Airport

Overview

Iwami Airport serves the Masuda region in western Japan, positioned at 34.676399, 131.789993 with an elevation of 184 feet MSL. This medium-sized airport provides critical transportation infrastructure for the local area, supporting regional connectivity and general aviation operations.

Flying Conditions

The airport experiences predominantly VFR conditions, with 92.1% of observations reporting visual flight rules. Temperature ranges from -1°C to 32°C, with an average of 14.9°C, creating generally stable flying conditions. Wind patterns are consistently from the south at 180°, averaging 8.2 knots with occasional gusts up to 29 knots.

Notable Features

The single runway 11/29 is 6,562 feet long with an asphalt surface, accommodating a variety of aircraft types. Geographically situated in a coastal region, pilots should anticipate potential maritime weather influences. The airport demonstrates excellent visibility, with an average of 10 statute miles and minimal fog occurrences (0.1%).

Approach Considerations

Runway 11/29 experiences favorable wind conditions 100% of the time, with an average crosswind component of 4.7 knots. November, December, and September represent the best months for VFR flying, offering the most consistent and predictable weather patterns. Pilots should expect optimal visual meteorological conditions during these months.

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.