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

GOING TO OCONTO?

FAA INFORMATION EFFECTIVE 09 JULY 2026

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 -5 (UTC -6 during Standard 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 16-Jul-2026
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight04:4509:45
Sunrise05:2110:21
Sunset20:3401:34
Evening civil twilight21:0902:09

Current date and time
Zulu (UTC)  17-Jul-2026 00:34:07
Local (UTC-5)  16-Jul-2026 19:34:07
 
METAR
KOCQ 
6nm SW 		170015Z AUTO 07004KT 2SM BKN031 OVC037 24/16 A3008 RMK AO1 T02420162
KMNM 
13nm NE 		162357Z AUTO 09004KT 1 1/4SM HZ OVC035 24/18 A3008 RMK AO2 SLP184 T02390178 10261 20239 58004 $
KSUE 
18nm E 		162357Z AUTO 11004KT 1SM HZ BKN030 OVC034 24/19 A3009 RMK AO2 SLP186 T02390189 10278 20239 58002 RVRNO $
TAF
KGRB 
31nm SW 		170019Z 1700/1724 VRB03KT 1 1/2SM FU BKN030 TEMPO 1709/1713 -SHRA FM171300 19004KT 1 1/2SM FU BKN030 FM171900 22008KT 3SM FU BKN035 FM172200 23006KT P6SM SCT050 SCT250
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