KHAF/HAF METAR & TAF Half Moon Bay Airport

Half Moon Bay, CaliforniaElevation 66 ftSmall airport

CURRENT STATUS

VFR13 min old

No ceiling, visibility 6 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

VRB@4

steady

VISIBILITY

6 SM

9.7 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

407 ft

+341 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Coastal Flood AdvisoryMinor · Expected · Likely

26 1600Z to 29 2200Z

Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast

* WHAT...Up to 1.9ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Pacific Coast. * WHEN...From 9 AM Monday to 3 PM PDT Thursday. * IMPACTS...High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restric…

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

CURRENT METAR

Decoded observation

Observed 2215Z (3:15 PM local) · 13 min old

KHAF is currently VFR. Winds are variable in direction at 4 knots. Visibility is 6 statute miles. There is no ceiling. Reported weather: haze.

WIND

Variable at 4 kt

Steady.

VISIBILITY

6 statute miles

9.7 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

19°C / 15°C

66°F / 59°F. 4°C spread.

ALTIMETER

30.07 inHg

1018.3 hPa, above standard.

WEATHER & HAZARDS

Haze reported.

Codes in this report: AUTO HZ CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AO2

automated station with a precipitation discriminator (can tell rain from snow)

TERMINAL AERODROME FORECAST

TAF timeline

Issued 1723Z (10:23 AM local) · valid to 1800Z (11:00 AM local)

KHAF forecast starts VFR at 18Z. Worst period is 08Z to 18Z with MVFR possible. Best period is 18Z to 19Z (VFR). Overall the forecast deteriorates over the period.

BKN20020,000 ft

OVC0252,500 ft

1800Z11:00 AM2248Z3:48 PM0336Z8:36 PM0824Z1:24 AM1312Z6:12 AM1800Z11:00 AM

Codes in this report: P6SM BKN FEW SCT OVC

Tap any group to decode it.

FAA: no delays reported at HAF.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›Haze reported.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind variable at 4 kt, visibility 6 SM, ceiling none. Forecast suggests this afternoon mostly cloudy, high near 63F, low near 53F, 1% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

Day	Conditions	Temp F	Wind	Gusts	Precip
This Afternoon	Mostly Cloudy	63/53	WNW 4 kt	–	1%
Monday	Mostly Sunny	61/52	NW 11 kt	–	1%
Tuesday	Partly Sunny	60/52	NW 14 kt	19 kt	0%
Wednesday	Partly Sunny	60/52	NNW 9 kt	–	1%
Thursday	Mostly Cloudy	59/52	NW 14 kt	–	16%
Friday	Slight Chance Light Rain	58/50	NW 11 kt	–	44%
Saturday	Chance Light Rain	57/49	NW 5 kt	–	44%

Source: National Weather Service (office MTR). Forecast issued 2227Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND

1 runway · crosswind ranking

WIND USED

Wind calm or variable

Crosswind ranking is unavailable until the wind has a steady direction.

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

1 runway · longest 5,000 ft

12/30

Dimensions

5,000 x 150 ft

Surface

Asphalt

Edge lights

MED

RWY 12137°T

Displaced threshold752 ft

VGSIPAPI (P2L)

Traffic patternLeft

RWY 30317°T

Displaced threshold762 ft

REILYes

VGSIPAPI (P2L)

Traffic patternRight

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

407 ft

Pressure altitude

-84 ft

Field elevation

66 ft MSL

Temperature

19°C (66°F)

Dewpoint

15°C (59°F)

Altimeter

30.07 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

0119Z 6:19 PM

Sunrise

1428Z 7:28 AM

Loggable night

0146Z (6:46 PM local) → 1401Z (7:01 AM local)

end of evening to start of morning civil twilight

Position lights required

0119Z (6:19 PM local) → 1428Z (7:28 AM local)

sunset to sunrise (91.209)

Night passenger currency

0219Z (7:19 PM local) → 1328Z (6:28 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Half Moon Bay Airport is in Half Moon Bay, California. Field elevation 66 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerMICHAEL BYRNE

Manager phone650-573-3700

AttendedDaily, 0800–1600

CHARTS & AIRSPACE

ICAO / IATAKHAF / HAF

SectionalSAN FRANCISCO

Center (ARTCC)OAKLAND

Flight service (AFSS)OAKLAND

RegionCalifornia

CountryUnited States

Coordinates37.5134, -122.5010

Distance from city5 NM NW

SERVICES & LIGHTING

Fuel100LL

Control towerNon-towered

Field lightingSee remarks

BeaconSunset to sunrise · White-green (lighted land airport)

Traffic pattern alt933 ft MSL

CTAF122.800

UNICOM122.800

FREQUENCIES

Communications

135.1

NORCAL APP/DEP

A/D

122.8

CTAF/UNICOM

UNIC

122.800

CTAF

122.800

UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KHAF traffic patterns

2026-06-14 to 2026-10-23, 62 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

11.4

AVG OPS/DAY

16.5

Operations trend (18 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX

Piston single 65%Unknown 18%Helicopter 6%Twin 6%Turboprop 5%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›C172 (Piston single) · ~30 landings/mo

›SR20 (Piston single) · ~9 landings/mo

›UNKN (Unknown) · ~8 landings/mo

›C182 (Piston single) · ~7 landings/mo

›B407 (Helicopter) · ~6 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›C172 (Piston single)

›SR20 (Piston single)

›TAIL (Piston single)

›P28B (Unknown)

›C150 (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)

›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.

›Some aircraft do not transmit usable ADS-B and are not counted.

›Aircraft types and based estimates are inferred and may be wrong.

›This is not official ATC, FAA, or airport data.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KSFO San Francisco International Airport

9 NM NE

VFR

KSQL San Carlos Airport

12 NM E

VFR

KOAK Oakland San Francisco Bay Airport

18 NM NE

VFR

KPAO Palo Alto Airport

19 NM E

VFR

KHWD Hayward Executive Airport

20 NM NE

VFR

KNUQ Moffett Federal Airfield

22 NM E

VFR

AIRPORT REMARKS

Operational remarks

›MANAGERS OFFICE AIRPORT PHONE 650-573-3701.

›FUEL AVBL 24 HRS SELF SERVICE.

›ACTVT MIRL RY 12/30, REIL RY 30, PAPI RYS 12 AND 30 - 122.8.

›APCH RATIO TO DSPLCD THR 50:1.

›DIRECTOR OF PUBLIC WORKS: TORY A. NEWMAN

›MANAGER LOCATED AT SAN CARLOS AIRPORT.

›APCH RATIO TO DSPLCD THR 50:1.

›THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.

›FLD CONDS-RWY, TWY & APRON GOOD.

›AVOID FLYING DIRECTLY OVER THE PILLAR POINT AIR FORCE STATION.

›ARPT NOISE SENSITIVE AREAS NW THRU NE.

›UNEXPECTED TURBULENT CONDS MAY BE ENCTRD WHILE ON FNA TO RWY 12.

›TWYS, APRONS AND TIEDOWNS: 12,500 LBS MAXIMUM.

›FOR CD CTC NORCAL APCH AT 916-361-0519.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Wikipedia

↗KHAF on OurAirports

FREQUENTLY ASKED

Does KHAF have a METAR?

Yes. KHAF has a current METAR observation, decoded into plain English on this page.

Does KHAF have a TAF?

Yes, a TAF is issued for KHAF; the decoded forecast timeline is shown above.

What is the field elevation at KHAF?

KHAF sits at 66 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KHAF?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.