KSEA TAF
Terminal aerodrome forecast for Seattle-Tacoma International (SEA · KSEA), Seattle, WA. Issued 5 Nov 2026 0659Z, valid 0700Z to 1200Z, decoded period by period below. · Open on the map
All of Seattle-Tacoma International — runways, frequencies, charts and live weatherTAF issued 5 Nov 2026 0659Z
valid 0700Z to 1200ZTAF KSEA 050659Z 0507/0612 19008KT P6SM VCSH OVC025 FM051500 19007KT P6SM SCT010 OVC018 FM052000 20008KT P6SM SCT030 BKN050 FM052300 20006KT P6SM SCT040 BKN100 FM060400 17005KT P6SM BKN250
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0700Z to 1500Z | Initial | 190° at 8 kt | 6+ SM | 2,500 ft OVC | Overcast at 2,500 ft AGL | MVFR |
| 1500Z to 2000Z | FM | 190° at 7 kt | 6+ SM | 1,800 ft OVC | Scattered at 1,000 ft AGL, Overcast at 1,800 ft AGL | MVFR |
| 2000Z to 2300Z | FM | 200° at 8 kt | 6+ SM | 5,000 ft BKN | Scattered at 3,000 ft AGL, Broken at 5,000 ft AGL | VFR |
| 2300Z to 0400Z | FM | 200° at 6 kt | 6+ SM | 10,000 ft BKN | Scattered at 4,000 ft AGL, Broken at 10,000 ft AGL | VFR |
| 0400Z to 1200Z | FM | 170° at 5 kt | 6+ SM | 25,000 ft BKN | Broken at 25,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
What the categories mean
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Frequently asked
What is the current TAF for KSEA?
The forecast issued 5 Nov 2026 0659Z for Seattle-Tacoma International reads: TAF KSEA 050659Z 0507/0612 19008KT P6SM VCSH OVC025 FM051500 19007KT P6SM SCT010 OVC018 FM052000 20008KT P6SM SCT030 BKN050 FM052300 20006KT P6SM SCT040 BKN100 FM060400 17005KT P6SM BKN250
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KSEA
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.
Something here wrong or out of date? Report a data problem.