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Seattle-Tacoma Intl Airport, Seattle (KSEA)

Airport Weather & NOTAM's

METAR for:KSEA (Seattle-Tacoma Intl, WA, US)
Text:KSEA 200053Z 28006KT 10SM FEW040 BKN140 BKN250 21/12 A3016 RMK AO2 SLP217 T02110117 $
Conditions at:0053 UTC 20 Aug 2025
Temperature: 21.1°C ( 70°F)
Dewpoint: 11.7°C ( 53°F) [RH = 55%]
Pressure (altimeter):30.16 inches Hg (1021.4 mb) [Sea level pressure: 1021.7 mb]
Winds:from the W (280 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility:10 or more sm (16+ km)
Ceiling:14000 feet AGL
Clouds:few clouds at 4000 feet AGL, broken clouds at 14000 feet AGL, broken clouds at 25000 feet AGL
QC Flag:SOME DATA ABOVE MAY BE INACCURATE!!!"$" is an indication the sensor requires maintenance.
TAF for:KSEA (Seattle-Tacoma Intl, WA, US) issued at 2320 UTC 19 Aug 2025
Text:KSEA 192320Z 2000/2106 29009KT P6SM FEW040 SCT160 BKN250
Forecast period:0000 to 0300 UTC 20 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the WNW (290 degrees) at 10 MPH (9 knots; 4.6 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:25000 feet AGL
Clouds:few clouds at 4000 feet AGL, scattered clouds at 16000 feet AGL, broken clouds at 25000 feet AGL
Text:FM200300 33005KT P6SM SCT150 BKN200
Forecast period:0300 to 0800 UTC 20 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the NNW (330 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:20000 feet AGL
Clouds:scattered clouds at 15000 feet AGL, broken clouds at 20000 feet AGL
Text:FM200800 07004KT P6SM BKN050
Forecast period:0800 to 1400 UTC 20 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the ENE (70 degrees) at 5 MPH (4 knots; 2.1 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:5000 feet AGL
Clouds:broken clouds at 5000 feet AGL
Text:FM201400 04005KT P6SM BKN022
Forecast period:1400 to 1800 UTC 20 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the NE (40 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:2200 feet AGL
Clouds:broken clouds at 2200 feet AGL
Text:FM201800 36005KT P6SM BKN035
Forecast period:1800 to 2100 UTC 20 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the N (360 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:3500 feet AGL
Clouds:broken clouds at 3500 feet AGL
Text:FM202100 34009KT P6SM SCT250
Forecast period:2100 UTC 20 August 2025 to 0500 UTC 21 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the NNW (340 degrees) at 10 MPH (9 knots; 4.6 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:at least 12,000 feet AGL
Clouds:scattered clouds at 25000 feet AGL
Text:FM210500 03008KT P6SM SCT250
Forecast period:0500 to 0600 UTC 21 August 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the NNE (30 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:at least 12,000 feet AGL
Clouds:scattered clouds at 25000 feet AGL

Live Departures & Arrivals

There are currently no arrivals or departures for this airport.

Departures History (last 12 months)

Flight No. Dest. Aircraft Date
LVT17 KDEN PMDG 777-3... 2025-01-29 18:28:35
BAW6AT PAJN 747-400-ma... 2024-11-10 21:39:46

Arrivals History (last 12 months)

Flight No. Origin Aircraft Date
LVT17 CYVR PMDG 777-3... 2025-01-29 18:27:54
LVT6AT KLAS B737-800X... 2024-11-09 19:02:34

Runway Information (Airport elevation: 433ft)

Runway 16C Length 9,418ft Width 150ft Elevation 367ft Surface Concrete Heading 180
Runway 16L Length 11,890ft Width 150ft Elevation 367ft Surface Concrete Heading 180
Runway 16R Length 8,493ft Width 150ft Elevation 367ft Surface Concrete Heading 180
Runway 34C Length 9,418ft Width 150ft Elevation 367ft Surface Concrete Heading 0
Runway 34L Length 8,493ft Width 150ft Elevation 367ft Surface Concrete Heading 0
Runway 34R Length 11,890ft Width 150ft Elevation 367ft Surface Concrete Heading 0

Airport Frequencies

Type APP/DEP Frequency 119.200 Mhz
Type APP/DEP Frequency 120.100 Mhz
Type APP/DEP Frequency 120.400 Mhz
Type APP/DEP Frequency 123.900 Mhz
Type APP/DEP Frequency 125.600 Mhz
Type APP/DEP Frequency 125.900 Mhz
Type APP/DEP Frequency 126.500 Mhz
Type APP/DEP Frequency 128.500 Mhz
Type APP/DEP Frequency 133.650 Mhz
Type ATIS Frequency 118.000 Mhz
Type Clearance Frequency 128.000 Mhz
Type D Frequency 119.200 Mhz
Type D Frequency 120.100 Mhz
Type D Frequency 120.400 Mhz
Type D Frequency 123.900 Mhz
Type D Frequency 125.600 Mhz
Type D Frequency 125.900 Mhz
Type D Frequency 126.500 Mhz
Type D Frequency 128.500 Mhz
Type Ground Frequency 121.700 Mhz
Type Ground Frequency 122.275 Mhz
Type Ground Frequency 126.250 Mhz
Type Ground Frequency 126.875 Mhz
Type Tower Frequency 119.900 Mhz
Type Tower Frequency 120.950 Mhz
Type UC Frequency 122.950 Mhz
Type Ground Frequency 122.275 Mhz
Type Ground Frequency 126.250 Mhz
Type Ground Frequency 126.875 Mhz
Type UC Frequency 122.950 Mhz

Airport Navaids

Type NDB Ident ODD Frequency 224 Khz
Type VORTAC Ident SEA Frequency 116800 Khz
Type NDB Ident SZ Frequency 281 Khz