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

GOING TO OCONTO?

FAA INFORMATION EFFECTIVE 12 JUNE 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 -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: THOMAS A. HINRICHS
7890 HWY Y
OCONTO, WI 54153
Phone (920) 634-8201
Manager: THOMAS A. HINRICHS
7890 HWY Y
OCONTO, WI 54153
Phone (920) 634-8201

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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Sectional chart

 
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From to 16WI

Sunrise and sunset
Times for 03-Jul-2025
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight04:3409:34
Sunrise05:1110:11
Sunset20:4001:40
Evening civil twilight21:1702:17

Current date and time
Zulu (UTC)  03-Jul-2025 07:47:23
Local (UTC-5)  03-Jul-2025 02:47:23
 
METAR
KOCQ 
6nm SW 		030735Z AUTO 35006KT 7SM SCT070 SCT090 BKN110 17/17 A2993 RMK AO1 T01690168
KMNM 
13nm NE 		030740Z AUTO 00000KT 1 1/4SM BR SCT070 BKN085 BKN110 17/17 A2993 RMK AO2 $
KSUE 
18nm E 		030657Z AUTO 32006KT 10SM -RA SCT100 19/18 A2995 RMK AO2 RAB57 SLP135 P0000 T01940178
TAF
KGRB 
31nm SW 		030520Z 0306/0406 26003KT P6SM SCT080 FM031000 02003KT P6SM SCT150 FM031500 06004KT P6SM SCT070 FM031900 08006KT P6SM SCT120 FM040000 12005KT P6SM SCT150
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