KDVO/NOT METAR Marin County Airport - Gnoss Field

Novato, CaliforniaElevation 2 ftSmall airport

CURRENT STATUS

VFR10 min old

No ceiling, visibility 10 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

120@5

steady

VISIBILITY

10 SM

16.1 km

CEILING

None

no BKN/OVC layer

DENSITY ALT

962 ft

+960 ft vs field

ACTIVE NWS ALERTS

Active weather alerts

Coastal Flood AdvisoryMinor · Expected · Likely

25 1606Z to 29 2200Z

San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast

* WHAT...Up to 1.9ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bay Shoreline locations of San Francisco Bay, Monterey Bay and Big Sur Coast. * WHEN...Until 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 an…

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 2335Z (4:35 PM local) · 10 min old

KDVO is currently VFR. Winds are from the southeast at 5 knots. Visibility is 10 statute miles. There is no ceiling.

WIND

120° at 5 kt

Steady.

VISIBILITY

10 statute miles

16.1 km, good.

CEILING & SKY

CLR

FEW and SCT layers are not ceilings.

TEMP / DEWPOINT

24°C / 8°C

75°F / 46°F. 16°C spread.

ALTIMETER

30.03 inHg

1016.9 hPa, near standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: AUTO 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)

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

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 from 120° at 5 kt, visibility 10 SM, ceiling none. Forecast suggests this afternoon partly sunny, high near 74F, low near 47F, 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	Partly Sunny	74/47	0 kt	–	1%
Monday	Sunny	68/44	WNW 12 kt	18 kt	1%
Tuesday	Areas Of Fog then Mostly Sunny	67/43	NW 9 kt	–	0%
Wednesday	Areas Of Fog then Mostly Sunny	68/44	W 4 kt	–	0%
Thursday	Mostly Sunny	62/43	WNW 7 kt	–	4%
Friday	Mostly Sunny	60/42	WNW 9 kt	–	30%
Saturday	Chance Light Rain	59/42	W 2 kt	–	30%

Source: National Weather Service (office MTR). Forecast issued 2345Z.

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

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

120° at 5 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 134 kt headwind · 2 kt crosswind

RUNWAYS BY WIND · best end

HEAD

4 kt

CROSS

2 kt L

BEST

HEAD

4 kt tail

CROSS

2 kt R

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

RUNWAYS

Runway detail & declared distances

2 runways · longest 3,303 ft

13/31

Dimensions

3,303 x 75 ft

Surface

Asphalt (good)

Edge lights

MED

RWY 13150°T

VGSIPAPI (P2R)

Traffic patternLeft

RWY 31330°T

VGSIPAPI (P2L)

Traffic patternRight

Dimensions

60 x 60 ft

Surface

Concrete (good)

RWY H1

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

962 ft

Pressure altitude

-108 ft

Field elevation

2 ft MSL

Temperature

24°C (75°F)

Dewpoint

8°C (46°F)

Altimeter

30.03 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

1429Z 7:29 AM

Loggable night

0146Z (6:46 PM local) → 1402Z (7:02 AM local)

end of evening to start of morning civil twilight

Position lights required

0119Z (6:19 PM local) → 1429Z (7:29 AM local)

sunset to sunrise (91.209)

Night passenger currency

0219Z (7:19 PM local) → 1329Z (6:29 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

Marin County Airport - Gnoss Field is in Novato, California. Field elevation 2 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeSmall airport

ManagerDAN JENSEN

Manager phone415-897-1754

AttendedDaily, 0800–1700

CHARTS & AIRSPACE

ICAO / IATAKDVO / NOT

SectionalSAN FRANCISCO

Center (ARTCC)OAKLAND

Flight service (AFSS)OAKLAND

RegionCalifornia

CountryUnited States

Coordinates38.1436, -122.5560

Distance from city3 NM N

SERVICES & LIGHTING

Fuel100LL · Jet A

Control towerNon-towered

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

CTAF123.075

UNICOM123.075

FREQUENCIES

Communications

127.8

OAKLAND CNTR

ARTC

120.675

AWOS 3

AWOS

123.075

CTAF/UNICOM

UNIC

123.075

CTAF

123.075

UNICOM

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

AIRCRAFT ACTIVITY

KDVO traffic patterns

2026-06-13 to 2026-10-23, 63 days observed · data 2026-10-23

High confidence

TRAFFIC VOLUME (30-DAY)

AVG LANDINGS/DAY

6.4

AVG OPS/DAY

Operations trend (17 days)

Busiest day: Fri · Busiest month: Oct

FLEET MIX

Piston single 56%Unknown 30%Helicopter 6%Turboprop 5%Jet 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES

›UNKN (Unknown) · ~13 landings/mo

›RV8 (Unknown) · ~6 landings/mo

›C182 (Piston single) · ~5 landings/mo

›RV6 (Piston single) · ~4 landings/mo

›SR20 (Piston single) · ~4 landings/mo

LIKELY BASED AIRCRAFT

Low-confidence estimate

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

›C182 (Piston single)

›SR20 (Piston single)

›CH7A (Unknown)

›AS65 (Helicopter)

›T210 (Unknown)

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.

KAPC Napa County Airport

14 NM E

VFR

KSTS Charles M. Schulz Sonoma County Airport

25 NM NW

VFR

KCCR Buchanan Field

25 NM E

VFR

KOAK Oakland San Francisco Bay Airport

30 NM SE

VFR

KSUU Travis Air Force Base

31 NM E

VFR

KSFO San Francisco International Airport

33 NM S

VFR

AIRPORT REMARKS

Operational remarks

›RY 13 HAS PAVED 125 FT OVERRUN. RY 31 HAS 100 FT OVERRUN.

›RY 13 CALM WIND RY.

›NOISE SENSITIVE AREA SE OF ARPT. AVOID STRAIGHT - OUT DEPS ON RY 13 & STRAIGHT - IN LNDGS ON RY 31.

›MOUNTAINS W, HILLS S.

›DITCHES SURROUND RWY.

›JET AND TURBINE ACFT LAND RY 13 DEP RY 31 AS WIND AND TRAFFIC PERMIT.

›HELICOPTERS APCH FM EAST AND DEP TO EAST, REMAIN NORTH OF RADIO TOWERS.

›FOR CD CTC OAKLAND ARTCC AT 510-745-3380.

›DAN.JENSEN@MARINCOUNTY.GOV

›APPROACH 050/230 MAG

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Search NOTAMs (official FAA NOTAM Search)

↗Official airport website

↗Wikipedia

↗KDVO on OurAirports

FREQUENTLY ASKED

Does KDVO have a METAR?

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

Does KDVO have a TAF?

When KDVO issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.

What is the field elevation at KDVO?

KDVO sits at 2 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for KDVO?

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.