AirNav: W55 - Kenmore Air Seaplane Base

W55

Kenmore Air Seaplane Base
Seattle, Washington, USA

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FAA INFORMATION EFFECTIVE 25 DECEMBER 2025

Location

FAA Identifier:	W55
Lat/Long:	47-37-44.3530N 122-20-19.4560W 47-37.739217N 122-20.324267W 47.6289869,-122.3387378 (estimated)
Elevation:	14 ft. / 4 m (estimated)
Variation:	20E (1985)
From city:	1 mile N of SEATTLE, WA
Time zone:	UTC -8 (UTC -7 during Daylight Saving Time)
Zip code:	98109

Seaplane Base Operations

Seaplane Base use:	Open to the public
Activation date:	09/1947
Control tower:	no
ARTCC:	SEATTLE CENTER
FSS:	SEATTLE FLIGHT SERVICE STATION
NOTAMs facility:	SEA (NOTAM-D service available)
Attendance:	DAWN-DUSK
Wind indicator:	yes
Segmented circle:	no
Landing fee:	no, $150 TRANSIT DOCKING FEE.
International operations:	customs landing rights airport

Seaplane Base Communications

CTAF:	122.9
WX ASOS at BFI (6 nm S):	PHONE 206-658-6435
WX ASOS at RNT (10 nm SE):	126.95 (425-255-6080)
WX ASOS at SEA (11 nm S):	PHONE 206-214-2592
WX ASOS at PAE (17 nm N):	PHONE 425-355-6192
WX AWOS-3PT at PWT (19 nm SW):	121.2 (360-674-2811)

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
SEAr335/11.7		SEATTLE VORTAC		116.80		19E
PAEr168/17.6		PAINE VOR/DME		110.60		20E

Seaplane Base Services

Bottled oxygen:	NONE
Bulk oxygen:	NONE

Runway Information

Runway 16W/34W

Dimensions:	5000 x 500 ft. / 1524 x 152 m
Surface:	water
	RUNWAY 16W	RUNWAY 34W
Traffic pattern:	left	left

Seaplane Base Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	GREEN HORNET ENTERPRISES LLC, ET AL P O BOX 82064 KENMORE, WA 98028 Phone 425-486-1257 OWNERS: GREEN HORNET ENTERPRISES LLC AND MUNRO BANKS HOLDCO INC.
Manager:	SARAH FELLER 950 WESTLAKE AVENUE N SEATTLE, WA 98109 Phone 425-486-1257 EXTN 2240.

Additional Remarks

-	APCH SURFACE DATA NOT CHECKED.
-	FUEL AVBL EMERG ONLY.
-	KENMORE AIR LAKE UNION DOCK FREQ 130.30.
-	FOR CD CTC SEATTLE APCH AT 206-214-4722.
-	FIVE TEMPO BUOYS HAVE BEEN PLACED ALONG THE NORTH-SOUTH CNTRLN OF LAKE UNION, EACH SEPARATED BY APPROXIMATELY 750FT, AND MARK THE APRX LOCATION OF THE PREFERRED SEAPLANE OPR AREA. THE BUOYS HAVE A YELLOW FLASHING LIGHT THAT CAN BE ACTVT BY FIVE CLICKS ON 122.9, TO ALERT BOATERS OF AN IMPENDING SEAPLANE TKOF OR LANDING. RUN TIME ON THE LIGHTS IS 60 SECONDS. THE BUOY/LIGHT SYSTEM IS ADVISORY ONLY, AND BOATERS ARE NOT REQUIRED TO CLEAR THE AREA. THE BUOYS WILL BE REMOVED WITHIN FIVE DAYS FOLLOWING LABOR DAY, OR EARLIER.
-	INCRD BOATING OPNS ON LAKE MAY 15 THRU SEP 15.
-	SPECIAL NOISE ABATEMENT RULES IN EFFECT CONTACT OPERATOR FOR PATTERN INFORMATION.
-	KITE FLYING IN PUBLIC PARK AT N END OF ARPT AND UAVS OPERATING AT THE N AND S ENDS.
-	NIGHT LANDINGS NOT RECOMMENDED DUE TO UNLIGHTED SMALL WATERCRAFT.
-	DO NOT TAXI CLOSER THAN 200 FT FM SHORELINE EXCP IN CLOSE PROXIMITY TO KENMORE AIR HARBOR.
-	ALL TAKEOFFS & LANDINGS IN CENTER OF LAKE.
-	WHEN CONSISTENT WITH SAFETY, AVOID 'ON THE STEP' OPERATIONS SOUTH AND WEST OF RED BUOY.
-	CALL 425-486-1257 X2010 FOR APVL AT LEAST 3 HRS PRIOR TO ARR. DOCKING FEE.

Instrument Procedures

There are no published instrument procedures at W55.

Some nearby airports with instrument procedures:

KBFI - Boeing Field/King County International Airport (6 nm S)
KRNT - Renton Municipal Airport (10 nm SE)
KSEA - Seattle-Tacoma International Airport (11 nm S)
KPAE - Seattle Paine Field International Airport (17 nm N)
S50 - Auburn Municipal Airport (19 nm S)
S43 - Harvey Field Airport (19 nm NE)
KPWT - Bremerton National Airport (19 nm SW)

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Area around W55 (Kenmore Air Seaplane Base)

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Aerial photo
WARNING: Photo may not be current or correct Photo taken 24-Jan-2007 Do you have a better or more recent aerial photo of Kenmore Air Seaplane Base that you would like to share? If so, please send us your photo.

Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 16-Jan-2026

	Local (UTC-8)	Zulu (UTC)
Morning civil twilight	07:19	15:19
Sunrise	07:53	15:53
Sunset	16:45	00:45
Evening civil twilight	17:20	01:20

Current date and time

Zulu (UTC)	17-Jan-2026 03:38:36
Local (UTC-8)	16-Jan-2026 19:38:36

METAR

KBFI 5nm S	170253Z VRB04KT 10SM CLR 08/03 A3037 RMK AO2 SLP284 T00830028 56002
KRNT 9nm SE	170253Z 33011KT 10SM CLR 08/03 A3036 RMK AO2 SLP285 T00830033 56002
KSEA 11nm S	170253Z 02017KT 10SM FEW250 08/03 A3035 RMK AO2 SLP287 T00780028 56004 $
KPAE 17nm N	170253Z 01006KT 10SM CLR 06/03 A3038 RMK AO2 SLP292 T00560033 58003
KPWT 18nm SW	170256Z AUTO 05010KT 10SM CLR 08/02 A3036 RMK AO2 SLP286 6//// T00780017 58003 PNO $

TAF

KBFI 5nm S	162049Z 1621/1718 01006KT P6SM FEW250 FM170300 VRB03KT P6SM SCT025 SCT250 FM171000 00000KT P6SM OVC020 FM171200 02005KT 6SM BR OVC005
KSEA 11nm S	162049Z 1621/1724 36015KT P6SM FEW250 FM170300 04010KT P6SM SCT020 SCT250 FM170900 04009KT P6SM OVC018 FM171200 05008KT 6SM BR OVC005 FM172000 03005KT P6SM FEW250
KPAE 17nm N	161720Z 1618/1718 36005KT P6SM SCT001 FM162000 35005KT P6SM FEW250 FM170300 35003KT P6SM SCT020 SCT250 FM170800 01004KT 6SM BR OVC009 FM171100 01003KT 2SM BR OVC003 FM171700 03003KT 6SM BR SCT003
KPWT 18nm SW	161720Z 1618/1718 05011KT P6SM FEW250 FM162000 02009KT P6SM FEW250 FM170300 05005KT P6SM SCT015 SCT250 FM170900 05007KT 5SM BR OVC002

NOTAMs

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