RAF Marham

EGYM / KNF

King's Lynn, Norfolk, GB

Last Updated
Aug 10, 20:50Z

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
Fresh 20 min ago
20:50Z

🌙 Night
VFR
Flight Rules
15°C
Temperature
Dewpoint: 10°C
5 kt
100°
--
Visibility
Ceiling
Unlimited
1023 hPa
QNH
Altimeter Setting

Raw METAR

METAR EGYM 102050Z 10005KT CAVOK 15/10 Q1023 RMK BLU

Weather Briefing

VFR

RAF Marham is currently reporting visual flight rules (VFR) conditions with clear skies.

Wind Analysis

Winds are from the east (100°) at 5 knots. Runway 05/23 is favored with a 3-knot headwind and 4-knot crosswind component.

Visibility & Ceiling

Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 15°C (59°F) with a dewpoint of 10°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 3 hours. Conditions are expected to remain VFR throughout the forecast period.

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
1023 hPa
Sea Level Pressure
For altitude above MSL
QFE
1021 hPa
Field Pressure
Height above aerodrome (75 ft)
Pressure Alt
-218 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -200 ft
ISA Deviation: +0.2°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF EGYM 101345Z 1015/1018 03010KT CAVOK
Upcoming Changes (Next 12 Hours)
21:09Z BASE
+0h
VFR 30° 10 kt
Visibility: >10km

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
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  • • Click legend items to toggle data series
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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
GYM
01
19
05 ✈️
23

Runway Information

Runway Length Width Surface Heading Wind Component
01/19 6,116 ft 148 ft CON
0.1 kt 5.0 kt
91° angle
✈️ 05/23
Active: 05
9,131 ft 148 ft ASP 55°
3.2 kt 3.8 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 - EGYM

13,625 observations | Sep 2025 - Aug 2026

Flight Rules Distribution

VFR
66.8%
MVFR
19.5%
IFR
9.3%
LIFR
4.4%

RAF Marham typically experiences VFR conditions 66.8% of the time, though instrument-rated pilots will find IFR weather present approximately 13.7% of observations. Prevailing winds are from the S averaging 9.7 knots, with gusts recorded up to 31 knots. Temperature extremes range from -11°C to 37°C, reflecting significant seasonal variation. The best months for VFR flying are August, April, May.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 9.7 kt
Maximum Recorded: 31 kt
Calm Winds: 0.4%
Direction Distribution:
E
10.3%
N
8.9%
S
20.9%
W
13.4%
NE
8.3%
NW
6.8%
SE
14.2%
SW
16.9%

Temperature Range

Average: 11.4°C
Range: -11°C to 37°C
-11°C 37°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 1.9%

Best Months for VFR

August April May

Runway Wind Analysis

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

Statistics computed from 13,625 METAR observations (Sep 2025 - Aug 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.