WxDecoder

CL64 Weather Washington Hospital Parking Structure Heliport

Fremont, CaliforniaElevation 57 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KPAO · 9 NM SW · 2 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 · KPAO
WIND
350@6
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 from 350° at 6 kt, visibility 10 SM, temperature 20C. Treat this as supplemental, not an aviation observation. Forecast suggests this afternoon partly sunny, high near 72F, low near 52F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Partly Sunny 72/52 WNW 7 kt – 0%
Monday Mostly Sunny 66/49 WSW 10 kt 18 kt 0%
Tuesday Mostly Sunny 64/48 SW 9 kt – 0%
Wednesday Patchy Fog then Mostly Sunny 65/50 W 7 kt – 0%
Thursday Partly Sunny 63/48 WSW 9 kt – 5%
Friday Mostly Sunny 60/47 WSW 11 kt – 33%
Saturday Chance Light Rain 59/46 SW 6 kt – 33%

Source: National Weather Service (office MTR). Forecast issued 2149Z.

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 CL64. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 50 ft

H1
Dimensions
50 x 50 ft
Surface
Roof
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
57 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
0117Z 6:17 PM
Sunrise
1426Z 7:26 AM
Loggable night
0144Z (6:44 PM local) → 1359Z (6:59 AM local)
end of evening to start of morning civil twilight
Position lights required
0117Z (6:17 PM local) → 1426Z (7:26 AM local)
sunset to sunrise (91.209)
Night passenger currency
0217Z (7:17 PM local) → 1326Z (6:26 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

Washington Hospital Parking Structure Heliport is in Fremont, California. Field elevation 57 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeHeliport
ManagerR. ALFIERA
Manager phone(510) 818-7208
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATACL64
SectionalSAN FRANCISCO
Center (ARTCC)OAKLAND
Flight service (AFSS)OAKLAND
RegionCalifornia
CountryUnited States
Coordinates37.5575, -121.9781
Distance from city0 NM N
SERVICES & LIGHTING
Control towerNon-towered
Field lightingSee remarks
BeaconSee remarks · White-green-yellow (heliport)
AIRCRAFT ACTIVITY

CL64 traffic patterns

2026-06-12 to 2026-10-04, 8 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0.5
AVG OPS/DAY
1
Activity trend over 4 days: flat, from 1 to 1 operations per dayOperations trend (4 days)

Busiest day: Fri · Busiest month: Jun

FLEET MIX
Helicopter 60%Piston single 40%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›H60 (Helicopter) · ~2 landings/mo
›C172 (Piston single) · ~1 landings/mo
›C82S (Piston single) · ~0 landings/mo
›P28B (Piston single) · ~0 landings/mo
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

CL64 has no on-field report. Nearest reporting station: KPAO (9 NM SW, VFR).

KPAO Palo Alto Airport
9 NM SW
VFR
KNUQ Moffett Federal Airfield
9 NM S
VFR
KHWD Hayward Executive Airport
9 NM NW
VFR
KLVK Livermore Municipal Airport
11 NM NE
VFR
KSJC Norman Y. Mineta San Jose International Airport
12 NM S
VFR
KSQL San Carlos Airport
13 NM W
VFR
AIRPORT REMARKS

Operational remarks

›MEDICAL.
›VFR, PRIVATE USE ONLY; LANDING AREA BE MARKED; FLOOD LIGHT POLE BE REMOVED; INGRESS/EGRESS ROUTES SHALL AVOID SHOPPING CENTER.
›OPRS CONSLY.
›FOR PERI LGTS CALL 510-797-1111.
›FOR CD CTC NORCAL APCH AT 916-361-0516.
›(CONTACT TITLE) OTHER CONTACT TOM MCINTYRE 510-818-7232.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗CL64 on OurAirports
FREQUENTLY ASKED
Does CL64 have a METAR?
No on-field METAR is issued for CL64. This page uses the nearest reporting station as a reference.
Does CL64 have a TAF?
No TAF is issued directly for CL64. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at CL64?
CL64 sits at 57 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for CL64?
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.