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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Com | Nav | Svcs | Stats | Notes

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 08-Jan-2026

	Local (UTC-8)	Zulu (UTC)
Morning civil twilight	07:22	15:22
Sunrise	07:58	15:58
Sunset	16:35	00:35
Evening civil twilight	17:10	01:10

Current date and time

Zulu (UTC)	08-Jan-2026 11:51:44
Local (UTC-8)	08-Jan-2026 03:51:44

METAR

KBFI 5nm S	081053Z 17007KT 10SM FEW015 BKN024 04/02 A2996 RMK AO2 SLP144 T00390017
KRNT 9nm SE	081139Z 19004KT 10SM SCT021 BKN030 OVC034 04/02 A2999 RMK AO2 T00440022 $
KSEA 11nm S	081118Z 21006KT 10SM BKN019 04/02 A2996 RMK AO2 T00390017 $
KPAE 17nm N	081121Z AUTO 19006KT 10SM FEW017 SCT028 SCT080 03/02 A2996 RMK AO2 T00280022
KPWT 18nm SW	081121Z AUTO 00000KT 10SM CLR 00/00 A2997 RMK AO2 FZRANO

TAF

KBFI 5nm S	080520Z 0806/0906 18006KT P6SM VCSH BKN015 OVC030 FM081500 17010KT P6SM VCSH OVC020 FM082100 19012KT P6SM OVC030 FM090100 17005KT P6SM OVC025
KSEA 11nm S	080907Z 0809/0912 22010KT P6SM OVC011 FM081500 23012KT P6SM VCSH OVC015 FM082100 22012KT P6SM OVC025 FM090300 20007KT P6SM OVC020
KPAE 17nm N	080520Z 0806/0906 17010KT P6SM VCSH OVC015 FM081200 21009KT P6SM VCSH OVC025 FM081500 19012G22KT P6SM VCSH OVC020 FM082100 21007KT P6SM OVC015
KPWT 18nm SW	080520Z 0806/0906 20007KT P6SM VCSH OVC005 FM081700 21009KT P6SM VCSH OVC010 FM090000 21006KT 4SM BR OVC007

NOTAMs

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