AirNav   Everest Fuels
 
 2744 users online  
WA41 Lake Sawyer Double E Seaplane Base
Black Diamond, Washington, USA

GOING TO BLACK DIAMOND?

FAA INFORMATION EFFECTIVE 06 AUGUST 2026

Location

FAA Identifier: WA41
Lat/Long: 47-20-00.0000N 122-02-00.0000W
47-20.000000N 122-02.000000W
47.3333333,-122.0333333
(estimated)
Elevation: 520 ft. / 158 m (estimated)
From city: 3 miles NNW of BLACK DIAMOND, WA
Time zone: UTC -7 (UTC -8 during Standard Time)
Zip code: 98010

Seaplane Base Operations

Seaplane Base use: Private use. Permission required prior to landing
Activation date: 11/2018
Control tower: no
ARTCC: SEATTLE CENTER
FSS: SEATTLE FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Seaplane Base Communications

WX AWOS-3PT at S50 (8 nm W): 118.050 (253-802-0933)
WX ASOS at RNT (12 nm NW): 126.95 (425-255-6080)
WX ASOS at SEA (13 nm NW): PHONE 206-214-2592
WX ASOS at BFI (16 nm NW): PHONE 206-658-6435
WX AWOS-3 at PLU (17 nm SW): 128.575 (253-848-2748)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
SEAr100/12.8SEATTLE VORTAC116.8019E
PAEr144/36.6PAINE VOR/DME110.6020E

Seaplane Base Services

Runway Information

Runway 15W/33W

Dimensions: 6055 x 300 ft. / 1846 x 91 m
Surface: water, in fair condition
RUNWAY 15W  RUNWAY 33W
Traffic pattern: rightright

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: ERIC EKNES
29810 224TH AVE SE
BLACK DIAMOND, WA 98010
Phone 206-618-2308
Manager: ERIC EKNES
29810 224TH AVE SE
BLACK DIAMOND, WA 98010
Phone 206-618-2308

Instrument Procedures

There are no published instrument procedures at WA41.

Some nearby airports with instrument procedures:

S50 - Auburn Municipal Airport (8 nm W)
KRNT - Renton Municipal Airport (12 nm NW)
KSEA - Seattle-Tacoma International Airport (13 nm NW)
KBFI - Boeing Field/King County International Airport (16 nm NW)
KPLU - Pierce County Airport/Thun Field (17 nm SW)
  
Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes
Aerial photo
No photo
 
Sectional chart

 
Airport distance calculator
Flying to Lake Sawyer Double E Seaplane Base? Find the distance to fly.

From to WA41

Sunrise and sunset
Times for 27-Aug-2026
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight05:4912:49
Sunrise06:2213:22
Sunset19:5802:58
Evening civil twilight20:3003:30

Current date and time
Zulu (UTC)  27-Aug-2026 10:07:48
Local (UTC-7)  27-Aug-2026 03:07:48
 
METAR
KRNT 
12nm NW 		270953Z AUTO 18008KT 10SM BKN049 OVC060 18/13 A3000 RMK AO2 SLP163 T01780128
KSEA 
13nm NW 		270953Z 19006KT 10SM OVC046 16/13 A3001 RMK AO2 SLP167 T01610128 $
KPLU 
17nm SW 		270955Z AUTO 00000KT 10SM BKN060 BKN070 14/13 A3002 RMK AO2
KBFI 
17nm NW 		270953Z 17005KT 10SM BKN050 18/13 A3000 RMK AO2 SLP157 T01780128
KTCM 
22nm SW 		270955Z AUTO 19003KT 10SM OVC040 16/13 A3000 RMK AO2 SLP161 T01560127 $
KTIW 
23nm W 		270953Z AUTO 23007KT 10SM BKN046 BKN065 16/13 A3000 RMK AO2 SLP156 T01610133
TAF
KSEA 
13nm NW 		270522Z 2706/2812 25008KT P6SM FEW080 FEW250 FM270900 21008KT P6SM BKN045 FM271100 20009KT P6SM BKN020 FM271600 22010G18KT P6SM BKN045 FM280200 23007KT P6SM SCT045 FM280600 22005KT P6SM BKN045
KBFI 
17nm NW 		270522Z 2706/2806 VRB04KT P6SM SCT250 FM270900 21008KT P6SM BKN045 FM271100 19008KT P6SM BKN025 FM271600 21010KT P6SM BKN045 FM272100 21010G18KT P6SM BKN050 FM280300 22005KT P6SM BKN050
NOTAMs
Click for the latest NOTAMs
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.

 

 
 

Would you like to see your business listed on this page?

 If your business provides an interesting product or service to pilots, flight crews, aircraft, or users of the Lake Sawyer Double E Seaplane Base, you should consider listing it here.  To start the listing process, click on the button below
 
Add a business
 

Other Pages about Lake Sawyer Double E Seaplane Base

Update a link
 
Copyright © AirNav, LLC. All rights reserved. Privacy Policy  Contact