Princess Juliana International Airport

TNCM / SXM

Sint Maarten, SX

Last Updated
Apr 22, 21:00Z

Current Weather

Display Units
Recent 57 min ago
21:00Z

🌙 Night
VFR
Flight Rules
28°C
Temperature
Dewpoint: 21°C
9 kt
30°
10+ km
Visibility
Ceiling
Unlimited
1012 hPa
QNH
Altimeter Setting

Raw METAR

METAR TNCM 222100Z 03009KT 9999 FEW017 28/21 Q1012 NOSIG

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 13 ft
FEW 1,700 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
1,700 ft
AGL (Above Ground)
1,713 ft AMSL

Weather Briefing

VFR

Princess Juliana International Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 1,700 feet and 10 miles or greater visibility.

Wind Analysis

Winds are from the north-northeast (30°) at 9 knots. Runway 10/28 is favored with a 3-knot headwind and 8-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. No ceiling exists. Cloud layers reported: few at 1,700 ft.

Temperature & Moisture

Temperature is 28°C (82°F) with a dewpoint of 21°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 24 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
1012 hPa
Sea Level Pressure
For altitude above MSL
QFE
1012 hPa
Field Pressure
Height above aerodrome (13 ft)
Pressure Alt
51 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 1,614 ft
ISA Deviation: +13.0°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF TNCM 221625Z 2218/2318 03008KT 9999 FEW018
Upcoming Changes (Next 12 Hours)
21:56Z BASE
+0h
VFR 30° 8 kt
Visibility: 10+ km

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
NCM
10 ✈️
28

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 10/28
Active: 10
7,546 ft 148 ft ASP 96°
3.1 kt 8.5 kt
70° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - TNCM

7,005 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
91%
MVFR
7.8%
IFR
1.1%
LIFR
0.1%

Princess Juliana International Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 91% of the time. Prevailing winds are from the E averaging 9.2 knots, with gusts recorded up to 910 knots. The climate is relatively stable with temperatures averaging 27.2°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: 9.2 kt
Maximum Recorded: 910 kt
Calm Winds: 0.3%
Direction Distribution:
E
60.8%
N
3.2%
S
1.6%
W
0.6%
NE
21.4%
NW
0.4%
SE
11%
SW
0.7%

Temperature Range

Average: 27.2°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 7,005 METAR observations (Sep 2025 - Apr 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.