Hévíz–Balaton Airport

LHSM / SOB

Sármellék, HU

Last Updated
May 14, 15:15Z

Current Weather

Display Units
Recent 35 min ago
15:15Z

☀️ Day
VFR
Flight Rules
16°C
Temperature
Dewpoint: 8°C
6 kt
220°
--
Visibility
Ceiling
Unlimited
--
QNH
Altimeter Setting

Raw METAR

METAR LHSM 141515Z AUTO 22006KT 190V260 CAVOK 16/08 Q1001

Weather Briefing

VFR

Hévíz–Balaton Airport is currently reporting visual flight rules (VFR) conditions with clear skies.

Wind Analysis

Winds are from the southwest (220°) at 6 knots. Runway 17R/35L is favored with a 4-knot headwind and 5-knot crosswind component.

Visibility & Ceiling

Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 16°C (61°F) with a dewpoint of 8°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 9 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Thunderstorm Rain. There is a 40% probability of IFR conditions with Thunderstorm Rain between 16:00Z 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 LHSM 141115Z 1412/1421 18007KT CAVOK PROB40 TEMPO 1416/1421 VRB16G32KT 4000 TSRA BKN030CB OVC070
Upcoming Changes (Next 12 Hours)
15:49Z BASE
+0h
VFR 180° 7 kt
Visibility: >10km
16:00Z PROB40 TEMPO
+1h
IFR VRB 16 kt
Visibility: 4 km
Ceiling: 3,000 ft
Thunderstorm Rain

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
HSM
16 ✈️
34
17R ✈️
35L

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 16/34
Active: 16
8,202 ft 197 ft CON 165°
3.0 kt 5.2 kt
60° angle
✈️ 17R/35L
Active: 17R
3,100 ft 212 ft GRS 167°
3.9 kt 4.6 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 - LHSM

11,014 observations | Sep 2025 - May 2026

Flight Rules Distribution

VFR
68.2%
MVFR
10.3%
IFR
7.6%
LIFR
13.9%

Hévíz–Balaton Airport typically experiences VFR conditions 68.2% of the time, though instrument-rated pilots will find IFR weather present approximately 21.5% of observations. Prevailing winds are from the N averaging 7.1 knots, with gusts recorded up to 32 knots. Temperature extremes range from -17°C to 29°C, reflecting significant seasonal variation. Fog is a notable factor, occurring in approximately 13.7% of observations, with visibility below 3 SM in 0% of reports. The best months for VFR flying are April, May, October.

Wind Analysis

Prevailing Direction: N (0°)
Average Speed: 7.1 kt
Maximum Recorded: 32 kt
Calm Winds: 7.6%
Direction Distribution:
N
26.4%
NE
4.8%
E
14.5%
SE
7.6%
S
13.5%
SW
3.6%
W
4.6%
NW
17.3%

Temperature Range

Average: 7.5°C
Range: -17°C to 29°C
-17°C 29°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 13.7%

Best Months for VFR

April May October

Runway Wind Analysis

Runway 16/34
Favorable wind: 100%
Avg crosswind: 3.2 kt
Runway 17R/35L
Favorable wind: 100%
Avg crosswind: 3 kt

Statistics computed from 11,014 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.

Hévíz–Balaton Airport - Airport Information

Airport Details

ICAO Code: LHSM
IATA Code: SOB
Type: medium airport
Status: active
Elevation: 408 ft MSL

Location

City: Sármellék
Country: HU
Latitude: 46.686391°
Longitude: 17.159084°
Time Zone: Europe/Brussels

Runway Information

Runway 16/34
Length: 8,202 ft
Width: 197 ft
Surface: CON
ILS: No
Runway 17R/35L
Length: 3,100 ft
Width: 212 ft
Surface: GRS
ILS: No

About Hévíz–Balaton Airport

Overview

Hévíz–Balaton Airport serves the Lake Balaton region in western Hungary, situated near the town of Sármellék. As a medium-sized airport at 408 feet above mean sea level, it provides critical aviation infrastructure for the southwestern part of the country. The airport features two runways that support various aircraft operations in this scenic region.

Flying Conditions

Weather conditions at Hévíz–Balaton Airport demonstrate significant variability, with Visual Flight Rules (VFR) prevailing 58.1% of the time. Pilots should be prepared for potential Instrument Meteorological Conditions, as IFR and LIFR conditions combine for 30.4% of observations. The temperature range spans from -17°C to 29°C, with an average of 6.5°C, indicating potential seasonal temperature challenges.

Notable Features

The airport offers two distinct runways: a concrete runway 16/34 measuring 8,202 feet, and a grass runway 17R/35L extending 3,100 feet. Wind patterns are predominantly northerly at 0 degrees, with an average speed of 6.4 knots and occasional gusts up to 23 knots. Calm wind conditions occur 10.4% of the time, providing relatively stable wind environments for most operations.

Approach Considerations

Both runways demonstrate 100% favorable wind alignment, with an average crosswind of just 2.6 knots. September, October, and November represent the most consistent VFR months for operations. Visibility averages 10 statute miles, with minimal occurrences of restricted visibility, though fog is present in 16.7% of observations. Pilots should maintain awareness of seasonal weather variations when planning approaches.

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.