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

Seattle–Tacoma International Airport

large airport · elevation 433 ft (132 m)
13:17Z 03:09Z Day
Current METARVFR
19 min ago·17:53Z
KSEA 231753Z 19008KT 10SM SCT030 BKN049 BKN080 19/13 A3015 RMK AO2 SLP214 60000 T01890128 10194 20150 50008 $
Wind
190° 8 kt
Visibility
10 SM
Ceiling
4,900 ft
Temperature
19°C / 13°C
temp / dew
QNH
1021 hPa
30.15 inHg
Clouds
SCT 3,000ft, BKN 4,900ft, BKN 8,000ft
Weather
Station
KSEA
Remarks
automated station with a precipitation discriminator sea level pressure of 1021.4 HPa 0 inches of precipitation fell in the last 6 hours hourly temperature of 18.9°C and dew point of 12.8°C 6-hourly maximum temperature of 19.4°C 6-hourly minimum temperature of 15.0°C Increase, then decrease of 0.8 hectopascals in the past 3 hours
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
SIGMET / AIRMET (0)
None active in area.
PIREPs (1)
  • FL000GLF6
    19 min ago
Wind & Runways
NESW8 kt190°
Wind arrow points downwind.
Runways
16C/34C2873 mPEM
16L/34R3627 mPEM
16R/34L2591 mPEM
Runway components
RunwayHead/TailCrosswind
RWY 16C/34CHW 8 ktXW 1 kt R
RWY 16L/34RHW 8 ktXW 1 kt R
RWY 16R/34LHW 8 ktXW 1 kt R
47.4479°, -122.3103°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 16C/34C (use 16C)PreferredHW 81 R
RWY 16L/34R (use 16L)UsableHW 81 R
RWY 16R/34L (use 16R)UsableHW 81 R
Density altitude
807 ft
elevation 433 ft
ISA deviation
+4.9°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
Wind8 kt
Vis16.1 km
Temp23°C
QNH1017 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=290
NESWCALM0%
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 2026/08/23 18:22 UTC
VFRBASE23/18Z → 23/20Z2106KT · 6 SM · SCT025 BKN045
Wind: 2106KT
Visibility: 6 SM
Clouds: SCT025 BKN045
TAF KSEA 231720Z 2318/2424 21006KT P6SM SCT025 BKN045
VFRFM23/20Z → 24/00Z2505KT · 6 SM · BKN050
Wind: 2505KT
Visibility: 6 SM
Clouds: BKN050
FM232000 25005KT P6SM BKN050
VFRFM24/00Z → 24/06Z3507KT · 6 SM · SCT050
Wind: 3507KT
Visibility: 6 SM
Clouds: SCT050
FM240000 35007KT P6SM SCT050
VFRFM24/06Z → 24/18Z0208KT · 6 SM · SCT250
Wind: 0208KT
Visibility: 6 SM
Clouds: SCT250
FM240600 02008KT P6SM SCT250
VFRFM24/18Z → 25/00Z35010KT · 6 SM · FEW250
Wind: 35010KT
Visibility: 6 SM
Clouds: FEW250
FM241800 35010KT P6SM FEW250
Raw TAF
TAF KSEA 231720Z 2318/2424 21006KT P6SM SCT025 BKN045 FM232000 25005KT P6SM BKN050 FM240000 35007KT P6SM SCT050 FM240600 02008KT P6SM SCT250 FM241800 35010KT P6SM FEW250
Nearby airports