RAF Marham

EGYM / KNF

King's Lynn, Norfolk, GB

Last Updated
May 15, 06:50Z

Military Airport

PPR Available

This is a Royal Air Force or Ministry of Defence aerodrome. Civil access may be available with Prior Permission Required (PPR).

Access Notes:

Many RAF stations accept civil PPR; consult UK AIP AD 2 for specific procedures

Consult official AIP (UK AIP ENR 2.2) for current access procedures and restrictions.

Current Weather

Display Units
Recent 43 min ago
06:50Z

☀️ Day
VFR
Flight Rules
8°C
Temperature
Dewpoint: 3°C
12 kt
320°
10+ km
Visibility
11,000 ft
Ceiling
Above Ground Level
1005 hPa
QNH
Altimeter Setting

Raw METAR

METAR EGYM 150650Z 32012KT 9999 FEW022 BKN110 08/03 Q1005 RMK BLU

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 75 ft
FEW 2,200 ft AGL
BKN 11,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
2,200 ft
AGL (Above Ground)
2,275 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
11,000 ft
AGL (Above Ground)
11,075 ft AMSL

Weather Briefing

VFR

RAF Marham is currently reporting visual flight rules (VFR) conditions with broken clouds at 11,000 feet and 10 miles or greater visibility.

Wind Analysis

Winds are from the northwest (320°) at 12 knots. Runway 01/19 is favored with a 8-knot headwind and 9-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. The ceiling is 11000 feet AGL (broken), well above standard VFR minimums.

Temperature & Moisture

Temperature is 8°C (46°F) with a dewpoint of 3°C, indicating moderate moisture conditions.

Pilot Recommendations

Conditions are favorable for visual flight.

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

QNH
1005 hPa
Sea Level Pressure
For altitude above MSL
QFE
1003 hPa
Field Pressure
Height above aerodrome (75 ft)
Pressure Alt
323 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -499 ft
ISA Deviation: -6.9°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
GYM
01 ✈️
19
05
23

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 01/19
Active: 01
6,116 ft 148 ft CON
7.7 kt 9.2 kt
50° angle
05/23 9,131 ft 148 ft ASP 55°
1.0 kt 12.0 kt
95° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - EGYM

9,877 observations | Sep 2025 - May 2026

Flight Rules Distribution

VFR
60.3%
MVFR
22.3%
IFR
11.6%
LIFR
5.8%

RAF Marham typically experiences VFR conditions 60.3% of the time, though instrument-rated pilots will find IFR weather present approximately 17.4% of observations. Prevailing winds are from the S averaging 10 knots, with gusts recorded up to 31 knots. Temperature extremes range from -11°C to 26°C, reflecting significant seasonal variation. The best months for VFR flying are April, September, May.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 10 kt
Maximum Recorded: 31 kt
Calm Winds: 0.5%
Direction Distribution:
N
7.9%
NE
8.2%
E
10.7%
SE
16.3%
S
23.5%
SW
15.8%
W
10.4%
NW
6.7%

Temperature Range

Average: 8.6°C
Range: -11°C to 26°C
-11°C 26°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 2.4%

Best Months for VFR

April September May

Runway Wind Analysis

Runway 01/19
Favorable wind: 100%
Avg crosswind: 5.8 kt
Runway 05/23
Favorable wind: 100%
Avg crosswind: 6.1 kt

Statistics computed from 9,877 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.

RAF Marham - Airport Information

Airport Details

ICAO Code: EGYM
IATA Code: KNF
Type: medium airport
Status: active
Elevation: 75 ft MSL

Location

City: King's Lynn, Norfolk
Country: GB
Latitude: 52.648395°
Longitude: 0.550692°
Time Zone: Europe/Brussels

Runway Information

Runway 01/19
Length: 6,116 ft
Width: 148 ft
Surface: CON
ILS: No
Runway 05/23
Length: 9,131 ft
Width: 148 ft
Surface: ASP
ILS: No

About RAF Marham

RAF Marham is a military facility. Civilian access may be restricted or require Prior Permission (PPR). Pilots should consult the GB AIP for current access procedures and restrictions.

Overview

RAF Marham is a medium-sized military airport located in Norfolk, eastern England, situated near King's Lynn at an elevation of 75 feet MSL. As a Royal Air Force base, it serves critical military aviation operations and strategic defense infrastructure in the United Kingdom.

Flying Conditions

Weather conditions at RAF Marham are predominantly VFR, with 59.2% of observations in visual flight rules conditions. The prevailing wind is from the south at 180° with an average speed of 10.2 knots, and temperature ranges from -11°C to 26°C, with an average of 8.7°C. Pilots can expect excellent visibility, with an average of 10 statute miles and minimal fog occurrence of only 2.2%.

Notable Features

The airport features two significant runways: a 6,116-foot concrete runway (01/19) and a 9,131-foot asphalt runway (05/23). Both runways demonstrate favorable wind alignment, with 100% favorable wind conditions. The surrounding Norfolk landscape is characterized by relatively flat terrain typical of eastern England's coastal plains.

Approach Considerations

Both runways offer consistent wind conditions with minimal crosswind challenges, averaging 5.6 knots for runway 01/19 and 6.3 knots for runway 05/23. September, November, and December represent the best months for visual flight conditions, providing optimal flying opportunities for pilots operating at RAF Marham.

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.