Nakhon Si Thammarat Airport

VTSF / NST

Nakhon Si Thammarat, TH

Last Updated
Jul 4, 09:00Z

Current Weather

Display Units
Aging 1 hour ago
09:00Z

☀️ Day
MVFR
Flight Rules
27°C
Temperature
Dewpoint: 24°C
7 kt
330°
10+ km
Visibility
2,000 ft
Ceiling
Above Ground Level
1008 hPa
QNH
Altimeter Setting

Raw METAR

METAR VTSF 040900Z 33007KT 9999 -RA FEW016CB BKN020 27/24 Q1008 NOSIG

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 13 ft
FEW 1,600 ft AGL (CB)
BKN 2,000 ft AGL
🌤️
FEW (CB)
Few (1/8-2/8 sky coverage)
1,600 ft
AGL (Above Ground)
1,613 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
2,000 ft
AGL (Above Ground)
2,013 ft AMSL

Weather Briefing

MVFR

Nakhon Si Thammarat Airport is currently reporting marginal VFR (MVFR) conditions with broken clouds at 2,000 feet and 10 miles or greater visibility. Note: This observation is 1.1 hours old and conditions may have changed.

Wind Analysis

Winds are from the north-northwest (330°) at 7 knots. Runway 01/19 is favored with a 5-knot headwind and 4-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. The ceiling is 2000 feet AGL (broken), placing conditions in the MVFR category. Caution: cumulonimbus (thunderstorm) clouds reported at 1,600 ft AGL, indicating convective activity in the area.

Temperature & Moisture

Temperature is 27°C (81°F) with a dewpoint of 24°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods.

Forecast Outlook

The TAF forecast covers the next 24 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. Temporary IFR conditions are forecast with Thunderstorm Rain between 06:00Z and 13:00Z.

Pilot Recommendations

VFR pilots should exercise caution. Consider filing IFR if instrument rated, or postponing the flight if conditions are expected to deteriorate further. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours. 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.

QNH
1008 hPa
Sea Level Pressure
For altitude above MSL
QFE
1008 hPa
Field Pressure
Height above aerodrome (13 ft)
Pressure Alt
171 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 1,614 ft
ISA Deviation: +12.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF VTSF 040500Z 0406/0506 07006KT 9999 SCT020 TEMPO 0406/0413 VRB15G25KT 4000 TSRA FEW016CB SCT018 BKN100 BECMG 0413/0415 00000KT
Upcoming Changes (Next 12 Hours)
10:07Z BASE
+0h
VFR 70° 6 kt
Visibility: 10+ km
13:00Z BECMG
+3h
VFR

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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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
TSF
01 ✈️
19

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 01/19
Active: 01
6,890 ft 148 ft ASP
5.4 kt 4.5 kt
40° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - VTSF

5,023 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
77.1%
MVFR
22.2%
IFR
0.7%
LIFR
0%

Nakhon Si Thammarat Airport typically experiences VFR conditions 77.1% of the time, though instrument-rated pilots will find IFR weather present approximately 0.7% of observations. Prevailing winds are from the E averaging 5.8 knots. Calm conditions occur 16.8% of the time. Temperatures typically range between 20°C and 37°C with an average of 27.8°C. The best months for VFR flying are April, September, June.

Wind Analysis

Prevailing Direction: E (90°)
Average Speed: 5.8 kt
Maximum Recorded: 18 kt
Calm Winds: 16.8%
Direction Distribution:
E
23.6%
N
11.9%
S
8.2%
W
6%
NE
11.7%
NW
7.7%
SE
9.4%
SW
4.7%

Temperature Range

Average: 27.8°C
Range: 20°C to 37°C
20°C 37°C

Visibility

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

Best Months for VFR

April September June

Runway Wind Analysis

Runway 01/19
Favorable wind: 100%
Avg crosswind: 4 kt

Statistics computed from 5,023 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

Nakhon Si Thammarat Airport - Airport Information

Airport Details

ICAO Code: VTSF
IATA Code: NST
Type: medium airport
Status: active
Elevation: 13 ft MSL

Location

City: Nakhon Si Thammarat
Country: TH
Latitude: 8.539620°
Longitude: 99.944702°
Time Zone: Etc/GMT-7

Runway Information

Runway 01/19
Length: 6,890 ft
Width: 148 ft
Surface: ASP
ILS: No

About Nakhon Si Thammarat Airport

Overview

Nakhon Si Thammarat Airport serves the southern Thailand region with a medium-sized airport infrastructure. Located at 8.539620, 99.944702 with an elevation of 13 ft MSL, the airport provides essential aviation services for Nakhon Si Thammarat province. The single runway 01/19 spans 6890 feet with an asphalt surface, supporting regional and domestic air transportation.

Flying Conditions

Weather conditions at Nakhon Si Thammarat Airport are predominantly VFR, with 70.3% of observations reporting visual flight rules. The prevailing winds are from the north at an average of 5.7 knots, with occasional peaks up to 18 knots and calm periods at 15.2%. Temperature variations range from 20°C to 36°C, with an average of 26.8°C, providing generally stable flying conditions.

Notable Features

The airport's low elevation of 13 ft MSL indicates a flat terrain characteristic of southern Thailand's coastal regions. Runway 01/19 demonstrates highly favorable wind conditions, with 100% wind alignment and minimal average crosswind of 3.1 knots. September, October, and December represent the best VFR months for aviation operations.

Approach Considerations

Pilots can expect consistently favorable wind conditions for runway 01/19, with minimal crosswind challenges. Visibility averages 10 statute miles, with no reported instances of visibility below 3 miles or fog presence. The airport's statistical profile suggests reliable and predictable approach conditions throughout the year.

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.