Iwakuni Kintaikyo Airport / Marine Corps Air Station Iwakuni

RJOI / IWK

Iwakuni, JP

Current TAF Forecast

Raw TAF:
TAF RJOI 092100Z 0921/1103 31006KT 9999 SCT015 BKN210 QNH2975INS FM100300 16008KT 9999 FEW030 FEW060 QNH2975INS FM100900 VRB06KT 9999 FEW030 FEW060 SCT210 QNH2976INS FM101500 31006KT 9999 FEW030 BKN210 QNH2980INS FM102200 VRB06KT 9999 FEW030 SCT210 QNH2979INS TX25/1005Z TN16/1021Z

Detailed TAF Table

Parameter
Wed
03:00Z
+-1h
Wed
04:00Z
+0h
Wed
05:00Z
+1h
Wed
06:00Z
+2h
Wed
07:00Z
+3h
Wed
08:00Z
+4h
Wed
09:00Z
+5h
Wed
10:00Z
+6h
Wed
11:00Z
+7h
Wed
12:00Z
+8h
Wed
13:00Z
+9h
Wed
14:00Z
+10h
Wed
15:00Z
+11h
Wed
16:00Z
+12h
Wed
17:00Z
+13h
Wed
18:00Z
+14h
Wed
19:00Z
+15h
Wed
20:00Z
+16h
Wed
21:00Z
+17h
Wed
22:00Z
+18h
Wed
23:00Z
+19h
Thu
00:00Z
+20h
Thu
01:00Z
+21h
Wind Dir
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
VRB
VRB
VRB
VRB
VRB
VRB
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
VRB
VRB
VRB
VRB
Wind Speed
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
Visibility
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
SCT015
BKN210
SCT015
BKN210
SCT015
BKN210
SCT015
BKN210
SCT015
BKN210
SCT015
BKN210
FEW030
FEW060
FEW030
FEW060
FEW030
FEW060
FEW030
FEW060
FEW030
FEW060
FEW030
FEW060
FEW030
BKN210
FEW030
BKN210
FEW030
BKN210
FEW030
BKN210
FEW030
BKN210
FEW030
BKN210
SCT015
BKN210
FEW030
SCT210
FEW030
SCT210
FEW030
SCT210
FEW030
SCT210
Ceiling
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
21,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
🌙
Night
🌅 04:54Z
🌙
Night
🌅 04:54Z
☀️
Day
🌅 04:54Z
☀️
Day
🌅 04:54Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 19:05Z
☀️
Day
🌇 19:05Z
☀️
Day
🌇 19:05Z
🌙
Night
🌇 19:05Z
🌙
Night
🌇 19:05Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
Flight Rules
VFR: Visual Flight Rules
MVFR: Marginal VFR
IFR: Instrument Flight Rules
LIFR: Low IFR
Ceiling Colors
Red: < 500ft
Amber: 500-1000ft
Blue: 1000-3000ft
Green: > 3000ft
⛈️ TCU: Towering Cumulus
🌩️ CB: Cumulonimbus
+Nh: Hours from now%: Probability of occurrenceAGL: Above Ground Level

Forecast Periods

BASE
VFR
Wind
310° at 6 kt
Visibility
10+ km
Clouds
SCT015 BKN210
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Northwest (310°) at 6 kt. Visibility will be excellent at 10+ km. Scattered clouds at 1500 feet, Broken clouds at 21000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM100300 03:00Z - 09:00Z
VFR
Wind
160° at 8 kt
Visibility
10+ km
Clouds
FEW030 FEW060
📖 Plain English Explanation:

Winds from the South-Southeast (160°) at 8 kt. Visibility will be excellent at 10+ km. Few clouds at 3000 feet, Few clouds at 6000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM100900 09:00Z - 15:00Z
VFR
Wind
VRB° at 6 kt
Visibility
10+ km
Clouds
FEW030 FEW060 SCT210
📖 Plain English Explanation:

Winds will be variable in direction at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 3000 feet, Few clouds at 6000 feet, Scattered clouds at 21000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM101500 15:00Z - 21:00Z
VFR
Wind
310° at 6 kt
Visibility
10+ km
Clouds
FEW030 BKN210
📖 Plain English Explanation:

Winds from the Northwest (310°) at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 3000 feet, Broken clouds at 21000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM102200 22:00Z - 04:00Z
VFR
Wind
VRB° at 6 kt
Visibility
10+ km
Clouds
FEW030 SCT210
📖 Plain English Explanation:

Winds will be variable in direction at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 3000 feet, Scattered clouds at 21000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

📚 Understanding TAF Forecasts

Terminal Aerodrome Forecast (TAF) provides detailed weather forecasts specifically for aviation operations. Our system translates complex meteorological codes into plain English to help pilots of all experience levels understand forecasted conditions.

What TAF Includes:

  • • Wind direction, speed, and gusts
  • • Visibility in statute miles or kilometers
  • • Weather phenomena (rain, snow, fog, thunderstorms)
  • • Cloud coverage types and altitudes
  • • Forecast changes with timing
  • • Flight rules categories (VFR/IFR)

Change Indicators Explained:

  • BASE - Main forecast conditions
  • FM - Permanent change from specific time
  • BECMG - Gradual change over 2-4 hours
  • TEMPO - Temporary changes (less than 1 hour)
  • PROB30/40 - 30% or 40% probability

🛩️ Flight Rules Categories

VFR

Visual Flight Rules

  • • Ceiling ≥ 3000 ft
  • • Visibility ≥ 5 miles
  • • Good for visual flying

MVFR

Marginal VFR

  • • Ceiling 1000-3000 ft
  • • Visibility 3-5 miles
  • • Caution for VFR

IFR

Instrument Flight Rules

  • • Ceiling 500-1000 ft
  • • Visibility 1-3 miles
  • • Instruments required

LIFR

Low IFR

  • • Ceiling < 500 ft
  • • Visibility < 1 mile
  • • Challenging conditions

💡 TAF Reading Tips

For Student Pilots:

  • • Focus on the plain English explanations above
  • • Pay attention to flight rules categories
  • • Look for wind direction relative to runway headings
  • • Check for temporary conditions (TEMPO)

For Experienced Pilots:

  • • Cross-reference with raw TAF for precise timing
  • • Consider probability forecasts for alternate planning
  • • Monitor BECMG periods for gradual changes
  • • Always check current METAR vs TAF forecast

Important: TAF forecasts should always be supplemented with current METAR observations, PIREPs, and other weather information for complete situational awareness. Weather can change rapidly, and forecasts have inherent limitations.