WxDecoder

US-4978 Weather Sutter Medical Center Castro Valley Heliport

Castro Valley, CaliforniaElevation 224 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KHWD · 3 NM SW · 23 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KHWD
WIND
050@5
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
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.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM, temperature 12C. Treat this as supplemental, not an aviation observation. Forecast suggests today partly sunny, high near 71F, low near 53F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Partly Sunny 71/53 W 5 kt – 0%
Monday Mostly Sunny 66/50 WSW 9 kt – 0%
Tuesday Mostly Sunny 66/51 SSW 7 kt – 0%
Wednesday Partly Sunny 64/52 SSW 6 kt – 2%
Thursday Partly Sunny 62/50 WSW 7 kt – 16%
Friday Slight Chance Light Rain 61/48 W 8 kt – 27%
Saturday Chance Light Rain 60/48 SSW 6 kt – 28%

Source: National Weather Service (office MTR). Forecast issued 1616Z.

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
Crosswind calculator
No runway layout is available for US-4978. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 54 ft

H1
Dimensions
54 x 54 ft
Surface
Concrete (fair)
Edge lights
PERI
RWY H1

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

FIELD CONDITIONS

Field elevation

Field elevation
224 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0118Z 6:18 PM
Sunrise
1427Z 7:27 AM
Loggable night
0144Z (6:44 PM local) → 1400Z (7:00 AM local)
end of evening to start of morning civil twilight
Position lights required
0118Z (6:18 PM local) → 1427Z (7:27 AM local)
sunset to sunrise (91.209)
Night passenger currency
0218Z (7:18 PM local) → 1327Z (6:27 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

Sutter Medical Center Castro Valley Heliport is in Castro Valley, California. Field elevation 224 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerMICHEAL BAILEY
Manager phone(510) 727-3206
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAUS-4978
SectionalSAN FRANCISCO
Center (ARTCC)OAKLAND
Flight service (AFSS)OAKLAND
RegionCalifornia
CountryUnited States
Coordinates37.6990, -122.0893
Distance from city1 NM NNW
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
AIRCRAFT ACTIVITY

US-4978 traffic patterns

2026-06-15 to 2026-10-23, 20 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
2
AVG OPS/DAY
2.3
Activity trend over 6 days: flat, from 2 to 2 operations per dayOperations trend (6 days)

Busiest day: Mon · Busiest month: Oct

FLEET MIX
Piston single 73%Helicopter 27%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›C172 (Piston single) · ~4 landings/mo
›AS50 (Helicopter) · ~1 landings/mo
›C152 (Piston single) · ~1 landings/mo
›EC35 (Helicopter) · ~1 landings/mo
›C150 (Piston single) · ~1 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly rotorcraft.

›AS50 (Helicopter)

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

US-4978 has no on-field report. Nearest reporting station: KHWD (3 NM SW, VFR).

KHWD Hayward Executive Airport
3 NM SW
VFR
KOAK Oakland San Francisco Bay Airport
6 NM W
VFR
KLVK Livermore Municipal Airport
13 NM E
VFR
KSQL San Carlos Airport
14 NM SW
VFR
KPAO Palo Alto Airport
14 NM S
VFR
KSFO San Francisco International Airport
14 NM W
VFR
AIRPORT REMARKS

Operational remarks

›PRVDD VFR OPNS AND PVT USE ONLY; INGRESS/ EGRESS RTES MAINTAINED OBSTN FREE.
›FOR CD CTC NORCAL APCH AT 916-361-0516.
›FOR PERI LGTS CALL 510-537-1234.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗US-4978 on OurAirports
FREQUENTLY ASKED
Does US-4978 have a METAR?
No on-field METAR is issued for US-4978. This page uses the nearest reporting station as a reference.
Does US-4978 have a TAF?
No TAF is issued directly for US-4978. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at US-4978?
US-4978 sits at 224 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for US-4978?
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.