US
KSEA
Current Weather

Seattle–Tacoma International Airport

KSEA / SEA

Seattle, US

Last Updated

Nov 3, 16:53 UTC

Current Weather

Display Units

Time

Temp

Wind

Alt

Last Updated

16:53Z

🌙 Night

VFR

Flight Rules

8°C

Temperature

Dewpoint: 3°C

10kt

10°

10 SM

Visibility

10,000 ft

Ceiling

Above Ground Level

29.95

QNH (inHg)

Altimeter Setting

Raw METAR

METAR KSEA 031653Z 01010KT 10SM OVC100 08/03 A2995 RMK AO2 SLP150 T00780033 $

Clouds - Visual Profile

12,000ft

9,000ft

6,000ft

3,000ft

Ground

Field Elev: 433ft

OVC 10,000ft AGL

☁️

OVC

Overcast (8/8 sky coverage)

10,000ft

AGL (Above Ground)

10,433ft AMSL

Altimeter Settings & Pressure Information

QNH

29.95 inHg

Sea Level Pressure

For altitude above MSL

QFE

29.52 inHg

Field Pressure

Height above aerodrome (433 ft)

Pressure Alt

403 ft

QNE Reference

Standard: 29.92 inHg

Density Altitude: -333 ft

ISA Deviation: -6.1°C

Forecast (TAF)

View Full TAF

Raw TAF

TAF KSEA 031458Z 0315/0418 01012KT P6SM OVC100 FM031800 03008KT P6SM OVC070 FM032100 08006KT P6SM -RA OVC035 FM040000 08006KT P6SM -RA OVC025 FM040700 07006KT P6SM VCSH OVC022

Upcoming Changes (Next 12 Hours)

17:32Z BASE

+0h

VFR 10° 12kt

Visibility: >6SM

Ceiling: 10,000ft

18:00Z FM031800

+1h

VFR 30° 8kt

Visibility: >6SM

Ceiling: 7,000ft

21:00Z FM032100

+4h

VFR 80° 6kt

Visibility: >6SM

Ceiling: 3,500ft

Light Rain

00:00Z FM040000

+7h

MVFR 80° 6kt

Visibility: >6SM

Ceiling: 2,500ft

Light 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

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

↑

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°	↑ 8.7kt • ↔ 5.0kt 30° angle
✈️ 16L/34R Active: 34R	11,900 ft	150 ft	ASP	180°	↑ 8.7kt • ↔ 5.0kt 30° angle
✈️ 16R/34L Active: 34L	9,426 ft	150 ft	CON	180°	↑ 8.7kt • ↔ 5.0kt 30° angle
lower/high	0 ft	0 ft		0°	↑ 9.8kt • ↔ 1.7kt 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)

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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.