KNUW TAF
Terminal aerodrome forecast for Whidbey Island Naval Air Station (Ault Field) (NUW · KNUW), Oak Harbor, WA. Issued 6 Aug 2026 2300Z, valid 2300Z to 2300Z, decoded period by period below.
All of Whidbey Island Naval Air Station (Ault Field) — runways, frequencies, charts and live weatherTAF amended · issued 6 Aug 2026 2300Z
valid 2300Z to 2300ZTAF COR KNUW 062300Z 0623/0723 27007KT 9000 HZ FU FEW050 FEW220 QNH2991INS FM070900 VRB06KT 8000 BR FU SCT005 QNH2996INS TEMPO 0710/0714 3200 BR FU BKN003 FM071600 27007KT 9999 FEW250 QNH3000INS TX22/0723Z TN12/0714Z COR 2349 FS30229
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 2300Z to 0900Z | Initial | 270° at 7 kt | 5.59 SM | Clear | Few at 5,000 ft AGL, Few at 22,000 ft AGL | VFR |
| 0900Z to 1600Z | FM | Variable at 6 kt | 4.97 SM | Clear | Scattered at 500 ft AGL | MVFR |
| 1000Z to 1400Z | TEMPO | Calm | 1.99 SM | 300 ft BKN | Broken at 300 ft AGL | LIFR |
| 1600Z to 2300Z | FM | 270° at 7 kt | 6+ SM | Clear | Few at 25,000 ft AGL | VFR |
What the change groups mean
- FM
- From — a rapid, permanent change to the conditions that follow.
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
- LIFR
- Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.
Frequently asked
What is the current TAF for KNUW?
The forecast issued 6 Aug 2026 2300Z for Whidbey Island Naval Air Station (Ault Field) reads: TAF COR KNUW 062300Z 0623/0723 27007KT 9000 HZ FU FEW050 FEW220 QNH2991INS FM070900 VRB06KT 8000 BR FU SCT005 QNH2996INS TEMPO 0710/0714 3200 BR FU BKN003 FM071600 27007KT 9999 FEW250 QNH3000INS TX22/0723Z TN12/0714Z COR 2349 FS30229
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.