KHAF TAF
Terminal aerodrome forecast for Half Moon Bay (HAF · KHAF), Half Moon Bay, CA. Issued 5 Nov 2026 1121Z, valid 1200Z to 1200Z, decoded period by period below. · Open on the map
All of Half Moon Bay — runways, frequencies, charts and live weatherTAF issued 5 Nov 2026 1121Z
valid 1200Z to 1200ZTAF KHAF 051121Z 0512/0612 03004KT P6SM FEW018 SCT200 FM052100 32012KT P6SM SKC FM060400 34008KT P6SM FEW200
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 1200Z to 2100Z | Initial | 030° at 4 kt | 6+ SM | Clear | Few at 1,800 ft AGL, Scattered at 20,000 ft AGL | VFR |
| 2100Z to 0400Z | FM | 320° at 12 kt | 6+ SM | Clear | Clear below 12,000 ft | VFR |
| 0400Z to 1200Z | FM | 340° at 8 kt | 6+ SM | Clear | Few at 20,000 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 KHAF?
The forecast issued 5 Nov 2026 1121Z for Half Moon Bay reads: TAF KHAF 051121Z 0512/0612 03004KT P6SM FEW018 SCT200 FM052100 32012KT P6SM SKC FM060400 34008KT P6SM FEW200
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 KHAF
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Something here wrong or out of date?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.