Princess Juliana International Airport

TNCM / SXM

Sint Maarten, SX

Last Updated
Mar 4, 09:00Z

Current Weather

Display Units
Recent 36 min ago
09:00Z

☀️ Day
MVFR
Flight Rules
25°C
Temperature
Dewpoint: 22°C
15 kt
80°
10+ km
Visibility
1,600 ft
Ceiling
Above Ground Level
1015 hPa
QNH
Altimeter Setting

Raw METAR

METAR TNCM 040900Z 08015KT 9999 -SHRA BKN016 25/22 Q1015

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 13 ft
BKN 1,600 ft AGL
☁️
BKN
Broken (5/8-7/8 sky coverage)
1,600 ft
AGL (Above Ground)
1,613 ft AMSL
QNH
1015 hPa
Sea Level Pressure
For altitude above MSL
QFE
1015 hPa
Field Pressure
Height above aerodrome (13 ft)
Pressure Alt
-40 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 1,163 ft
ISA Deviation: +10.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF TNCM 032205Z 0400/0424 09013G24KT 9999 SCT018 TEMPO 0400/0412 5000 SHRA BKN016
Upcoming Changes (Next 12 Hours)
09:36Z BASE
+0h
VFR 90° 13 kt
Visibility: 10+ km

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
NCM
10 ✈️
28

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 10/28
Active: 10
7,546 ft 148 ft ASP 96°
14.1 kt 5.1 kt
20° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - TNCM

5,372 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
91.5%
MVFR
7.4%
IFR
1%
LIFR
0.2%

Princess Juliana International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 91.5% of the time. Prevailing winds are from the E averaging 8.6 knots, with gusts recorded up to 94 knots. The climate is relatively stable with temperatures averaging 27.5°C (range: 21°C to 33°C). The best months for VFR flying are September, December, November.

Wind Analysis

Prevailing Direction: E (90°)
Average Speed: 8.6 kt
Maximum Recorded: 94 kt
Calm Winds: 0.3%
Direction Distribution:
N
3.8%
NE
24.4%
E
55.8%
SE
11.5%
S
2.1%
SW
0.8%
W
0.7%
NW
0.5%

Temperature Range

Average: 27.5°C
Range: 21°C to 33°C
21°C 33°C

Visibility

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

Best Months for VFR

September December November

Runway Wind Analysis

Runway 10/28
Favorable wind: 100%
Avg crosswind: 3.8 kt

Statistics computed from 5,372 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Princess Juliana International Airport - Airport Information

Airport Details

ICAO Code: TNCM
IATA Code: SXM
Type: large airport
Status: active
Elevation: 13 ft MSL

Location

City: Sint Maarten
Country: SX
Latitude: 18.041000°
Longitude: -63.108898°
Time Zone: Etc/GMT+4

Runway Information

Runway 10/28
Length: 7,546 ft
Width: 148 ft
Surface: ASP
ILS: No

About Princess Juliana International Airport

Overview

Princess Juliana International Airport serves as the primary aviation gateway to Sint Maarten, located in the Caribbean's northeastern Caribbean region. Situated at a low elevation of 13 feet mean sea level, the airport supports large commercial aircraft operations on its single 7,546-foot asphalted runway (10/28). The airport plays a critical role in regional transportation, connecting Sint Maarten to numerous international destinations.

Flying Conditions

Sint Maarten experiences typical Caribbean maritime tropical climate conditions, characterized by consistent temperatures and moderate trade winds. Winds predominantly influence runway 10/28, which may create variable approach and departure conditions for pilots. Seasonal wind patterns and occasional tropical weather systems can impact flight operations, requiring careful pre-flight weather assessment.

Notable Features

The airport is uniquely positioned with proximate shoreline terrain, creating distinctive approach characteristics for incoming aircraft. Its single runway configuration means precise navigation and adherence to established procedures are essential for safe operations. The low elevation and maritime environment contribute to potential visibility and wind shear considerations during approach and landing.

Approach Considerations

Runway 10/28's substantial 7,546-foot length accommodates large commercial aircraft, providing flexibility for various operational scenarios. Pilots should anticipate potential crosswind components due to the airport's geographic location and be prepared for maritime atmospheric conditions. Standard instrument approach procedures and careful attention to local wind patterns are recommended for safe arrival and departure.

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.