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16WI
(formerly 30W) 		Sweetwater Bay Seaplane Base
Oconto, Wisconsin, USA

GOING TO OCONTO?

FAA INFORMATION EFFECTIVE 30 OCTOBER 2025

Location

FAA Identifier: 16WI
Lat/Long: 44-57-06.9590N 087-48-30.3720W
44-57.115983N 087-48.506200W
44.9519331,-87.8084367
(estimated)
Elevation: 579 ft. / 176 m (estimated)
Variation: 02W (1990)
From city: 6 miles NE of OCONTO, WI
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 54153

Seaplane Base Operations

Seaplane Base use: Private use, CFM STS WITH AMGR PRIOR TO ARR.
Activation date: 02/1992
Control tower: no
ARTCC: MINNEAPOLIS CENTER
FSS: GREEN BAY FLIGHT SERVICE STATION
Attendance: IREG
Wind indicator: yes
Segmented circle: no

Seaplane Base Communications

CTAF: 122.9
WX AWOS-3 at OCQ (6 nm SW): 120.925 (920-835-1599)
WX AWOS-3PT at MNM (13 nm NE): 121.45 (906-863-8801)
WX AWOS-3PT at SUE (18 nm E): 128.325 (920-743-7087)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
GRBr034/28.9GREEN BAY VORTAC115.5001E

Seaplane Base Services

Airframe service: NONE
Powerplant service: NONE
Bottled oxygen: NONE
Bulk oxygen: NONE

Runway Information

Runway ALL/WAY

Dimensions: 10000 x 250 ft. / 3048 x 76 m
Surface: water
RUNWAY ALL  RUNWAY WAY
Latitude: 44-55.470333N44-57.116000N
Longitude: 087-48.512167W087-48.506167W
Elevation: 579.0 ft.579.0 ft.
Traffic pattern: leftleft

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: AMY F. HINRICHS
7890 HWY Y
OCONTO, WI 54153
Phone 920-680-1036
Manager: AMY F. HINRICHS
7890 HWY Y
OCONTO, WI 54153
Phone 920-680-1036

Additional Remarks

- APCH FROM THE WEST OR NORTHWEST OVER WESTERN SHORELINE; TREES UP TO 85 FT ALONG SHORELINE.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.

Instrument Procedures

There are no published instrument procedures at 16WI.

Some nearby airports with instrument procedures:

KOCQ - Oconto/J Douglas Bake Municipal Airport (6 nm SW)
KMNM - Menominee Regional Airport (13 nm NE)
KSUE - Door County Cherryland Airport (18 nm E)
3D2 - Ephraim/Gibraltar Airport (29 nm NE)
KGRB - Green Bay/Austin Straubel International Airport (31 nm SW)
  
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Area around 16WI (Sweetwater Bay Seaplane Base)
 
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From to 16WI

Sunrise and sunset
Times for 06-Nov-2025
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight06:0712:07
Sunrise06:3812:38
Sunset16:3222:32
Evening civil twilight17:0323:03

Current date and time
Zulu (UTC)  06-Nov-2025 15:19:54
Local (UTC-6)  06-Nov-2025 09:19:54
 
METAR
KOCQ 
6nm SW 		061455Z AUTO 21005KT 10SM CLR 04/M02 A3019 RMK AO1 T00441021
KMNM 
13nm NE 		061457Z AUTO 00000KT 10SM CLR 04/M01 A3019 RMK AO2 SLP229 T00391006 58003 $
KSUE 
18nm E 		061457Z AUTO 21007KT 10SM CLR 06/M01 A3020 RMK AO2 SLP228 T00561006 58001
TAF
KGRB 
31nm SW 		061120Z 0612/0712 22004KT P6SM SCT200 FM061800 18008G16KT P6SM BKN180 FM070200 18010G19KT P6SM OVC100 WS015/20045KT FM070300 20011G20KT P6SM -SHRA OVC060 WS015/21050KT FM070800 22010G18KT P6SM BKN050 WS015/24045KT FM071000 23009G16KT P6SM BKN090
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