Memanbetsu Airport

RJCM / MMB

Ōzora, JP

Last Updated
May 15, 01:00Z

Current Weather

Display Units
Recent 56 min ago
01:00Z

🌙 Night
VFR
Flight Rules
23°C
Temperature
Dewpoint: 5°C
4 kt
230°
--
Visibility
Ceiling
Unlimited
--
QNH
Altimeter Setting

Raw METAR

METAR RJCM 150100Z 23004KT 160V320 CAVOK 23/05 Q1014

Weather Briefing

VFR

Memanbetsu Airport is currently reporting visual flight rules (VFR) conditions with clear skies.

Wind Analysis

Winds are from the southwest (230°) at 4 knots.

Visibility & Ceiling

Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 23°C (73°F) with a dewpoint of 5°C, indicating very dry conditions.

Forecast Outlook

The TAF forecast covers the next 30 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Temporary IFR conditions are forecast between 12:00Z and 21:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

Forecast (TAF)

View Full TAF
Raw TAF
TAF RJCM 142305Z 1500/1606 20008KT 9999 FEW030 BECMG 1503/1505 03010KT TEMPO 1512/1521 FEW003 BKN005
Upcoming Changes (Next 12 Hours)
01:55Z BASE
+0h
VFR 200° 8 kt
Visibility: 10+ km
03:00Z BECMG
+2h
VFR 30° 10 kt
12:00Z TEMPO
+11h
IFR
Ceiling: 500 ft

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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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
JCM
18 ✈️
36

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 18/36
Active: 18
8,202 ft 150 ft ASP 174°
2.6 kt 3.1 kt
50° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RJCM

3,239 observations | Sep 2025 - May 2026

Flight Rules Distribution

VFR
78.4%
MVFR
9.7%
IFR
7.1%
LIFR
4.8%

Memanbetsu Airport typically experiences VFR conditions 78.4% of the time, though instrument-rated pilots will find IFR weather present approximately 11.9% of observations. Prevailing winds are from the N averaging 7.4 knots, with gusts recorded up to 35 knots. Temperature extremes range from -19°C to 28°C, reflecting significant seasonal variation. The best months for VFR flying are October, April, November.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 7.4 kt
Maximum Recorded: 35 kt
Calm Winds: 0.5%
Direction Distribution:
N
24.7%
NE
6.9%
E
8.2%
SE
5.3%
S
24.3%
SW
13.3%
W
4.3%
NW
12.4%

Temperature Range

Average: 3.7°C
Range: -19°C to 28°C
-19°C 28°C

Visibility

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

Best Months for VFR

October April November

Runway Wind Analysis

Runway 18/36
Favorable wind: 100%
Avg crosswind: 3 kt

Statistics computed from 3,239 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.

Memanbetsu Airport - Airport Information

Airport Details

ICAO Code: RJCM
IATA Code: MMB
Type: medium airport
Status: active
Elevation: 135 ft MSL

Location

City: Ōzora
Country: JP
Latitude: 43.880600°
Longitude: 144.164001°
Time Zone: Europe/Moscow

Runway Information

Runway 18/36
Length: 8,202 ft
Width: 150 ft
Surface: ASP
ILS: No

About Memanbetsu Airport

Overview

Memanbetsu Airport serves the Ōzora region in northern Japan, located at 43.880600, 144.164001 with an elevation of 135 ft MSL. As a medium-sized airport, it provides critical transportation infrastructure for Hokkaido's eastern coastal area. The airport features a single runway 18/36 measuring 8,202 feet with an asphalt surface.

Flying Conditions

Weather conditions demonstrate predominantly favorable VFR flying opportunities, with 81.2% of observations supporting visual flight rules. Temperature ranges extensively from -19°C to 28°C, with an average of 4.1°C, indicating significant seasonal variation. Wind patterns are consistently southerly at an average of 6.8 knots, with maximum gusts reaching 31 knots and minimal calm periods.

Notable Features

The airport's geographic location in Hokkaido suggests potential for challenging maritime and mountain-influenced weather patterns. Runway 18/36 offers near-perfect wind alignment, with 100% favorable wind conditions and minimal average crosswind of 2.8 knots. Visibility consistently remains excellent, averaging 10 statute miles with rare instances of reduced visibility.

Approach Considerations

October, January, and November represent the most stable VFR months for operations. The southerly prevailing wind suggests runway 18 might be preferred for most approaches. Pilots should anticipate minimal fog (0.1% occurrence) and consistently good visibility conditions when planning arrivals and departures.

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.