KNUW TAF
Terminal aerodrome forecast for Whidbey Island NAS (Ault Field) (NUW · KNUW), Oak Harbor, WA. Issued 20 Sep 2026 1833Z, valid 1800Z to 1500Z, decoded period by period below. · Open on the map
All of Whidbey Island NAS (Ault Field) — runways, frequencies, charts and live weatherTAF amended · issued 20 Sep 2026 1833Z
valid 1800Z to 1500ZTAF AMD KNUW 201833Z 2018/2115 28007KT 9999 SCT008 SCT025 BKN200 QNH3003INS FM210100 VRB05KT 9999 SCT250 QNH2999INS TX16/2022Z TN10/2111Z AMD 1833 FS30238
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 1800Z to 0100Z | Initial | 280° at 7 kt | 6+ SM | 20,000 ft BKN | Scattered at 800 ft AGL, Scattered at 2,500 ft AGL, Broken at 20,000 ft AGL | VFR |
| 0100Z to 1500Z | FM | Variable at 5 kt | 6+ SM | Clear | Scattered 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
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
Frequently asked
What is the current TAF for KNUW?
The forecast issued 20 Sep 2026 1833Z for Whidbey Island NAS (Ault Field) reads: TAF AMD KNUW 201833Z 2018/2115 28007KT 9999 SCT008 SCT025 BKN200 QNH3003INS FM210100 VRB05KT 9999 SCT250 QNH2999INS TX16/2022Z TN10/2111Z AMD 1833 FS30238
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 KNUW
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Something here wrong or out of date?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.