Seattle–Tacoma International Airport

KSEA / SEA

Seattle, US

Last Updated
Nov 3, 09:53 UTC

Current Weather

Display Units
Last Updated
09:53Z
☀️ Day
VFR
Flight Rules
7°C
Temperature
Dewpoint: 4°C
13kt
10°
10 SM
Visibility
15,000 ft
Ceiling
Above Ground Level
30.07
QNH (inHg)
Altimeter Setting

Raw METAR

METAR KSEA 030953Z 01013KT 10SM OVC150 07/04 A3007 RMK AO2 SLP191 T00720039 $

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 433ft
OVC 15,000ft AGL
☁️
OVC
Overcast (8/8 sky coverage)
15,000ft
AGL (Above Ground)
15,433ft AMSL

Altimeter Settings & Pressure Information

QNH
30.07 inHg
Sea Level Pressure
For altitude above MSL
QFE
29.64 inHg
Field Pressure
Height above aerodrome (433 ft)
Pressure Alt
283 ft
QNE Reference
Standard: 29.92 inHg
Density Altitude: -573 ft
ISA Deviation: -7.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF KSEA 030901Z 0309/0412 36011KT P6SM OVC120 FM031200 03007KT P6SM BKN100 FM032000 04005KT P6SM -RA OVC040 FM040300 07005KT P6SM -RA OVC025
Upcoming Changes (Next 12 Hours)
10:29Z BASE
+0h
VFR 360° 11kt
Visibility: >6SM
Ceiling: 12,000ft
12:00Z FM031200
+2h
VFR 30° 7kt
Visibility: >6SM
Ceiling: 10,000ft
20:00Z FM032000
+10h
VFR 40° 5kt
Visibility: >6SM
Ceiling: 4,000ft
Light Rain

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
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
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
SEA
16L
34R ✈️
16C
34C ✈️
16R
34L ✈️
lower
high

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 16C/34C
Active: 34C
9,426 ft 150 ft CONC-F 180°
↑ 11.3kt ↔ 6.5kt
30° angle
✈️ 16L/34R
Active: 34R
11,900 ft 150 ft ASP 180°
↑ 11.3kt ↔ 6.5kt
30° angle
✈️ 16R/34L
Active: 34L
9,426 ft 150 ft CON 180°
↑ 11.3kt ↔ 6.5kt
30° angle
lower/high 0 ft 0 ft
↑ 12.8kt ↔ 2.3kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Seattle–Tacoma International Airport - Airport Information

Airport Details

ICAO Code: KSEA
IATA Code: SEA
Type: large airport
Status: active
Elevation: 433 ft MSL

Location

City: Seattle
Country: US
Latitude: 47.447943°
Longitude: -122.310276°
Time Zone: Etc/GMT8

Runway Information

Runway 16C/34C
Length: 9,426 ft
Width: 150 ft
Surface: CONC-F
ILS: No
Runway 16L/34R
Length: 11,900 ft
Width: 150 ft
Surface: ASP
ILS: No
Runway 16R/34L
Length: 9,426 ft
Width: 150 ft
Surface: CON
ILS: No
Runway lower/high
Length: 0 ft
Width: 0 ft
Surface:
ILS: No

Aeronautical Information Publication (AIP)

Free Access
AIP - United States

Official AIP for United States via US FAA (Free)

Managed by: US FAA

Access Information: Freely accessible online
Access details: Public

Alternative Resources:

Resources for Pilots

Weather Data

Current conditions and forecasts

• Real-time METAR reports
• Extended TAF forecasts
• Flight rules assessment
Charts & Navigation

Essential aviation charts

• Visual approach charts
• Instrument procedures
• Airport diagrams
Operations

Airport operational data

• Operating hours: 24/7
• Ground handling available
• Fuel services available
Performance Calculator

Calculate takeoff and landing distances

• Runway suitability assessment
• Real weather conditions
• Safety margin analysis
Calculate Performance

About Seattle–Tacoma International Airport

Seattle–Tacoma International Airport (KSEA/SEA) is a major international airport and aviation hub located in Seattle, US. The facility operates at an elevation of 433 feet above sea level and primarily serves international passenger and cargo operations.

The facility features 4 runways (16C/34C, 16L/34R, 16R/34L, lower/high) with CONC-F and ASP and CON and surfaces . Weather services provide continuous METAR reports and TAF forecasts to ensure safe flight operations in all conditions.

Pilots can access comprehensive weather data, including current conditions, extended forecasts, and flight rules analysis. The airport information displayed here includes runway details, operational data, and essential resources for flight planning and execution. All weather data is updated regularly to provide the most current information for aviation decision-making.

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.