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Seattle, United States of America

What runway is Seattle–Tacoma International Airport (SEA/KSEA) using right now?

Seattle–Tacoma International Airport active runway and live wind: landing 16R, departure 16L. Confidence D-ATIS CONFIRMED. Updated Tue 27 Oct, 03:17 local.

D-ATIS CONFIRMEDLand 16RDep 16L

Seattle–Tacoma International Airport (SEA/KSEA) is using landing 16R, departure 16L right now. The badge is the confidence: D-ATIS when the tape names the runway, otherwise the NOAA METAR wind vector scored against every threshold.

Live METAR and D-ATIS

Wind
220° @ 4 kt
Direction
220°
Speed
4 kt
Gusts
None
Visibility
10+ sm
Pressure
1016 hPa
Flight category
IFR
Observed
Tue 27 Oct, 03:00

METAR KSEA 270953Z 22004KT 10SM OVC007 11/09 A2999 RMK AO2 SLP162 T01060094

FAA D-ATIS C

Landing 16R · Departure 16L · Closed 16C

SEA ATIS INFO C 0953Z. 20004KT 10SM OVC007 11/09 A2999 (TWO NINER NINER NINER). ILS, RYS 16R AND 16L , APCH IN USE. DEPG RWY 16L. SIMUL APCHS IN USE, BFI & SEA. TRAFFIC BELOW YOU ON FINAL. SIMUL APCHS IN USE TO PARA RYS. NOTAMS... RY 16C CLSD. TWY E CLSD BTN RWY, 16L AND TWY T, TWY D, F, K CLSD, TWY H CLSD BTN RWY 16C AND TWY J. TWY Q CLSD BTN RWY 16L AND TWY T. BIRD ACTIVITY VICINITY ARPT. ...ADVS YOU HAVE INFO C.

Headwind, tailwind, and crosswind at KSEA

Every runway threshold at KSEA. Headwind is on the nose. Tailwind is the same component when the wind is on the tail. Positive crosswind in the source math is from the right.

ThresholdTrue hdgLengthHeadwindTailwindCrosswindFromRole
16L180°11,901 ft3.1 kt0.0 kt2.6 ktRightDeparture
34R360°11,901 ft0.0 kt3.1 kt2.6 ktLeftStandby
16C180°9,426 ft3.1 kt0.0 kt2.6 ktRightClosed
34C360°9,426 ft0.0 kt3.1 kt2.6 ktLeftStandby
16R180°8,500 ft3.1 kt0.0 kt2.6 ktRightLanding
34L360°8,500 ft0.0 kt3.1 kt2.6 ktLeftStandby
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Questions

What runway is Seattle–Tacoma International Airport (SEA/KSEA) using right now?

As of Tue 27 Oct, 03:00 local, Seattle–Tacoma International Airport (SEA/KSEA) is using landing 16R, departure 16L. Confidence: D-ATIS CONFIRMED. Seattle–Tacoma International Airport active runway and live wind come from NOAA METAR (220° @ 4 kt) and FAA D-ATIS when the tape names a runway. 16R shows 3.1 kt headwind, 0.0 kt tailwind, and 2.6 kt crosswind from the right. Closed runways: 16C. Open the live interactive map at https://planespottingmap.com/airport/KSEA or turn on Telegram Runway Shift Alerts at https://planespottingmap.com/airport/KSEA#runway-alerts.

How do crosswinds affect runway selection at Seattle–Tacoma International Airport?

Aircraft land and depart into the wind. Headwind is the part of the wind along the runway heading. Crosswind is the part blowing across the pavement. A negative headwind is a tailwind. At Seattle–Tacoma International Airport (SEA/KSEA) the live call is landing 16R, departure 16L with METAR wind 220° @ 4 kt. 16R shows 3.1 kt headwind, 0.0 kt tailwind, and 2.6 kt crosswind from the right. Controllers switch runways when the opposite threshold offers more headwind, or when the crosswind on the runway in use climbs. The component table lists every KSEA threshold so you can see which end holds the headwind and which end is taking the tailwind.