DM
Datamask Aviation
METAR · TAF · OPMET
KSEA· SEA· Seattle

Seattle–Tacoma International Airport

large airport · elevation 433 ft (132 m)
13:17Z 03:09Z Night
Current METARVFR
55 min ago·02:53Z
KSEA 240253Z 36008KT 10SM FEW050 21/12 A3012 RMK AO2 SLP204 T02060122 58005
Wind
360° 8 kt
Visibility
10 SM
Ceiling
Temperature
21°C / 12°C
temp / dew
QNH
1020 hPa
30.12 inHg
Clouds
FEW 5,000ft
Weather
Station
KSEA
Remarks
automated station with a precipitation discriminator sea level pressure of 1020.4 HPa hourly temperature of 20.6°C and dew point of 12.2°C Steady or increase, then decrease; or decrease then decrease more rapidly of 0.5 hectopascals in the past 3 hours
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW8 kt360°
Wind arrow points downwind.
Runways
16C/34C2873 mPEM
16L/34R3627 mPEM
16R/34L2591 mPEM
Runway components
RunwayHead/TailCrosswind
RWY 16C/34CTW 8 kt
RWY 16L/34RTW 8 kt
RWY 16R/34LTW 8 kt
47.4479°, -122.3103°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 16C/34C (use 34C)PreferredHW 80
RWY 16L/34R (use 34R)UsableHW 80
RWY 16R/34L (use 34L)UsableHW 80
Density altitude
1,074 ft
elevation 433 ft
ISA deviation
+6.9°C
Frequencies (community-maintained, cross-check AIP)KSEA
  • CLDCLNC DEL128.000
  • GNDSeattle Ground121.700
  • TWRSeattle Tower119.900
  • A/DAPP/DEP119.200
  • CTAFOshosh traffic118.500
  • D-ATISDigital ATIS118.000
  • UNICUNICOM122.950
Navaids near airportassoc. KSEA
IdentTypeFreqPower
ODDNDB224 kHzLOW
SEAVORTAC116.80 MHzHIGH
SZNDB281 kHzMEDIUM
Runways3

Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.

  • RWY 16C/34C9,426 ft (2,873 m)
    Surface
    PEM
    Lighting
    Lit
    ILS
  • RWY 16L/34R11,901 ft (3,627 m)
    Surface
    PEM
    Lighting
    Lit
    ILS
  • RWY 16R/34L8,500 ft (2,591 m)
    Surface
    PEM
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)KSEA
Wind5 kt
Vis16.1 km
Temp24°C
QNH1021 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=289
NESWCALM5%
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)Seattle–Tacoma International Airport
Diagram unavailable for Seattle–Tacoma International Airport.
Terminal Aerodrome Forecast
Issued 2026/08/24 03:03 UTC
VFRBASE24/03Z → 24/06Z3608KT · 6 SM · FEW050
Wind: 3608KT
Visibility: 6 SM
Clouds: FEW050
TAF AMD KSEA 240300Z 2403/2506 36008KT P6SM FEW050
VFRFM24/06Z → 24/18Z0208KT · 6 SM · SCT250
Wind: 0208KT
Visibility: 6 SM
Clouds: SCT250
FM240600 02008KT P6SM SCT250
VFRFM24/18Z → 25/06Z35010KT · 6 SM · FEW250
Wind: 35010KT
Visibility: 6 SM
Clouds: FEW250
FM241800 35010KT P6SM FEW250
Raw TAF
TAF AMD KSEA 240300Z 2403/2506 36008KT P6SM FEW050 FM240600 02008KT P6SM SCT250 FM241800 35010KT P6SM FEW250
Nearby airports