Seattle–Tacoma International Airport (KSEA) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Seattle–Tacoma International Airport in Seattle, WA, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Seattle–Tacoma International Airport (KSEA) is one of the primary air-carrier airports serving Seattle, WA at 433 ft. KSEA reports its own METAR and publishes a TAF, and broadcasts digital ATIS (D-ATIS), decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 8 runways (16C, 16L, 16R, 34C), longest 11,901 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KSEA in the ATIS Alerts Telegram bot to get a message the moment the ATIS letter changes or the weather drops below your selected minimums.
Wind from the west-southwest (250°) at 3 kt, visibility 10+ statute miles, broken clouds at 3,800 ft, overcast at 9,000 ft, temperature 16°C (61°F), altimeter 29.87 inHg. Conditions are Visual Flight Rules (VFR), ceiling 3,800 ft.
METAR KSEA 130353Z 25003KT 10SM BKN038 OVC090 16/11 A2987 RMK AO2 SLP119 T01610106 $
What changed at KSEA?
Since the 0253Z (7:53 PM PDT) report, compared automatically against the latest METAR.
- Ceiling moved from 9,000 ft to 3,800 ft.
This is exactly what ATIS Alerts watches for you: get a Telegram message when KSEA's ATIS or weather changes, free →
Current pilot readout for KSEA
KSEA is currently VFR with winds from 250° at 3 knots, visibility 10+ statute miles, and a 3,800 ft ceiling. The strongest crosswind component is currently on runway 16C, about 3 knots. Density altitude is approximately 750 ft (field elevation 433 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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D-ATIS
Digital Automatic Terminal Information Service, the live broadcast.
SEA ATIS INFO I 0353Z. 23003KT 10SM BKN038 OVC090 16/11 A2987 (TWO NINER EIGHT SEVEN). ILS AND CHARTED VISUAL APPROACH RWYS 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 D, F, K CLSD, TWY H CLSD BETWEEN RWY 34C AND TWY J. TWY E CLSD BETWEEN TWY T AND RWY 34R. SIGNATURE RAMP CLSD UNTIL 1500Z. BIRD ACTIVITY VICINITY ARPT. HAZD WX INFO FOR WESTERN WA CONTACT FLIGHT SERVICE. ...ADVS YOU HAVE INFO I.
Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KSEA. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 16CFAV | 9,426 ft | PEM | 1 kt head | 3 kt right |
| 16L | 11,901 ft | PEM | 1 kt head | 3 kt right |
| 16R | 8,500 ft | PEM | 1 kt head | 3 kt right |
| 34C | 9,426 ft | PEM | 1 kt tail | 3 kt left |
| 34L | 8,500 ft | PEM | 1 kt tail | 3 kt left |
| 34R | 11,901 ft | PEM | 1 kt tail | 3 kt left |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 3→3 kt, ceiling 22,000 ft → 3,800 ft.
KSEA weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Seattle–Tacoma International Airport in Seattle, WA: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KSEA is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KSEA
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
SEA UA /OV SEA120048/TM 0412/FL145/TP B738/TA M14/IC LGT RIME 160-090/RM DURD MARNR8 ARR
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA120048Location: fix or navaid, optionally with a radial and distance in NM.TM 0412Reported at 04:12 UTC.FL145Altitude: 14,500 ft MSL.TP B738Aircraft type reporting.TA M14Outside air temperature, °C.IC LGT RIME 160-090Icing: light rime 16,000–9,000 ft.RM DURD MARNR8 ARRRemarks.Show raw report
SEA UA /OV SEA312048/TM 0406/FL145/TP B738/TA -14/IC LGT RIME 160-145/RM DURD MARNR8 ARR
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA312048Location: fix or navaid, optionally with a radial and distance in NM.TM 0406Reported at 04:06 UTC.FL145Altitude: 14,500 ft MSL.TP B738Aircraft type reporting.TA -14Outside air temperature, °C.IC LGT RIME 160-145Icing: light rime 16,000–14,500 ft.RM DURD MARNR8 ARRRemarks.Show raw report
SEA UA /OV SEA310080/TM 0359/FL290/TP B748/TB MOD 290-150/RM DURD MARNR ARVL VIXOR TRANSITION-ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA310080Location: fix or navaid, optionally with a radial and distance in NM.TM 0359Reported at 03:59 UTC.FL290Altitude: 29,000 ft MSL.TP B748Aircraft type reporting.TB MOD 290-150Turbulence: moderate 29,000–15,000 ft.RM DURD MARNR ARVL VIXOR TRA…Remarks.Show raw report
PAE UA /OV PAE340015/TM 0355/FL180/TP E75L/TB LGT-MOD 180-150 LGT CHOP 150-120/RM DURD GRIZZ ARVL-ZSE
PAE UAHeader: reporting station and UA: a routine pilot report.OV PAE340015Location: fix or navaid, optionally with a radial and distance in NM.TM 0355Reported at 03:55 UTC.FL180Altitude: 18,000 ft MSL.TP E75LAircraft type reporting.TB LGT-MOD 180-150 LGT CHOP …Turbulence: light to moderate 18,000–15,000 ft light chop 15,000–12,000 ft.RM DURD GRIZZ ARVL-ZSERemarks.Show raw report
SEA UA /OV PAE065010/TM 0341/FL170/TP E75L/TB LGT-MOD 170-250/RM ZSE
SEA UAHeader: reporting station and UA: a routine pilot report.OV PAE065010Location: fix or navaid, optionally with a radial and distance in NM.TM 0341Reported at 03:41 UTC.FL170Altitude: 17,000 ft MSL.TP E75LAircraft type reporting.TB LGT-MOD 170-250Turbulence: light to moderate 17,000–25,000 ft.RM ZSERemarks.Show raw report
OLM UA /OV OLM250010/TM 0248/FL270/TP K35R/SK TOP270/RM ZSE
OLM UAHeader: reporting station and UA: a routine pilot report.OV OLM250010Location: fix or navaid, optionally with a radial and distance in NM.TM 0248Reported at 02:48 UTC.FL270Altitude: 27,000 ft MSL.TP K35RAircraft type reporting.SK TOP270Sky condition: cloud bases and tops in hundreds of feet MSL.RM ZSERemarks.Show raw report
SEA UA /OV SEA187021/TM 0240/FL160/TP E75L/TA M09/TB MOD TB 200-160/IC LGT RIME 125-100/RM DURD HAWKZ8 ARR
SEA UAHeader: reporting station and UA: a routine pilot report.OV SEA187021Location: fix or navaid, optionally with a radial and distance in NM.TM 0240Reported at 02:40 UTC.FL160Altitude: 16,000 ft MSL.TP E75LAircraft type reporting.TA M09Outside air temperature, °C.TB MOD TB 200-160Turbulence: moderate tb 20,000–16,000 ft.IC LGT RIME 125-100Icing: light rime 12,500–10,000 ft.RM DURD HAWKZ8 ARRRemarks.Show raw report
EAT UA /OV EAT270030/TM 0223/FL250/TP B738/TB CONS LGT OCNL MOD CHOP/RM ZSE
EAT UAHeader: reporting station and UA: a routine pilot report.OV EAT270030Location: fix or navaid, optionally with a radial and distance in NM.TM 0223Reported at 02:23 UTC.FL250Altitude: 25,000 ft MSL.TP B738Aircraft type reporting.TB CONS LGT OCNL MOD CHOPTurbulence: continuous light occasional moderate chop.RM ZSERemarks.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KSEA
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KSEA reported mostly VFR across 24 observations, with 0 flight-category changes. The lowest ceiling was 3,800 ft. Wind most often came from the W.
Most recent change: LIFR → VFR
- 16C/16L/16R
- 60%
- 34C/34L/34R
- 40%
TAF | Terminal Aerodrome Forecast
Issued 0307Z (8:07 PM PDT)
TAF KSEA 130307Z 1303/1406 VRB04KT P6SM VCSH SCT030 BKN070 OVC110 FM130700 20008KT P6SM -SHRA BKN035 OVC050 FM130900 20008KT P6SM -SHRA OVC025 FM131200 21010KT 4SM -SHRA BR OVC015 TEMPO 1312/1316 OVC008 FM132100 20012KT P6SM OVC015 FM140000 21012KT P6SM BKN025 OVC050 FM140300 20009KT P6SM OVC030
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Nearby TFRs
Active FAA TFRs near KSEA
FAA TFR data shows an active temporary flight restriction near KSEA.
View all active US TFRs → · Official FAA TFR ↗
Verify with official FAA TFR sources before flight.
Airport facts
Reference data from the OurAirports dataset.
- Type
- Large airport
- ICAO
- KSEA
- IATA
- SEA
- FAA LID
- SEA
- City
- Seattle
- State
- Washington
- Country
- United States
- Elevation
- 433 ft
- Coordinates
- 47.4479, -122.3103
- Runways
- 8
- Longest runway
- 11,901 ft
- Weather reporting
- METAR · D-ATIS
- TAF
- Published
- CTAF
- 118.5 MHz
- Time zone
- America/Los_Angeles
- Next sunset
- 22h 3m
Run a flight school, FBO, or club here? Embed KSEA's live status on your website, free →
Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
8 airports+2 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
8 airports+2 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- The Museum of Flight , Seattle, WA · 5 mi
- Lake Sawyer Hawks - Lake Washington Blvd , Seattle, WA · 8 mi
- Vashon Island Modelers 1 , Seattle, WA · 9 mi
Historical Flying Weather at KSEA
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KSEA reported VFR conditions during about 73.9% of valid daylight observations, with an estimated 235 VFR flying days a year. July had the most VFR weather; January had the most instrument conditions. Surface winds averaged 6.7 kt, calm 9.3% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 59.5 | 24.7 | 6.8 | 9.0 |
| Feb | 63.9 | 26.3 | 5.9 | 3.9 |
| Mar | 73.3 | 21.3 | 3.6 | 1.8 |
| Apr | 77.6 | 18.9 | 2.6 | 0.9 |
| May | 78.8 | 16.8 | 3.2 | 1.2 |
| Jun | 79.6 | 16.1 | 3.1 | 1.2 |
| Jul | 84.0 | 11.3 | 3.0 | 1.8 |
| Aug | 81.6 | 13.8 | 2.8 | 1.7 |
| Sep | 78.4 | 14.4 | 4.4 | 2.8 |
| Oct | 71.1 | 17.9 | 5.4 | 5.5 |
| Nov | 66.6 | 23.3 | 5.5 | 4.7 |
| Dec | 60.1 | 26.2 | 7.3 | 6.3 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 6.9 kt |
| Feb | 7.4 kt |
| Mar | 7.3 kt |
| Apr | 7.2 kt |
| May | 6.5 kt |
| Jun | 6.5 kt |
| Jul | 6.1 kt |
| Aug | 5.8 kt |
| Sep | 5.8 kt |
| Oct | 6.2 kt |
| Nov | 7.2 kt |
| Dec | 7.2 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KSEA airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Seattle–Tacoma International Airport in Seattle, WA shows the runway and taxiway layout across 8 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗
KSEA weather: frequently asked
What runways are available at KSEA?+
KSEA has 8 runways: 16C, 16L, 16R, 34C, 34L, 34R, HIGH, LOWER; the longest is 11,901 ft. This page computes the live crosswind for each runway end from the current wind.
Does KSEA report its own weather?+
Yes. Seattle–Tacoma International Airport has its own weather station and publishes METAR observations, which this page decodes live.
Does KSEA have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KSEA broadcast D-ATIS?+
Yes. KSEA publishes digital ATIS, and the live broadcast text with its current information letter is shown on this page. The ATIS Alerts bot (@atisalerts_bot) can message you the moment the letter changes.
Where can I find the KSEA airport diagram?+
The official FAA airport diagram for Seattle–Tacoma International Airport (KSEA) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Seattle–Tacoma International Airport (KSEA)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Seattle–Tacoma International Airport, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KSEA yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
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