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WWF40: NOAA Weather Radio for Coloma, Wisconsin

WWF40 is the NOAA Weather Radio transmitter at Coloma, broadcasting on 162.400 MHz at 1000 watts. It carries the National Weather Service Green Bay office's broadcast and covers 7 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.

CallsignWWF40
Frequency162.400 MHz
TransmitterColoma, Wisconsin
Power1000 watts
Forecast officeNWS Green Bay
StatusNormal (NWS data, July 2026)

Marine radios often label 162.400 MHz as WX2, but WX channel numbers vary by brand - go by the frequency.

Counties WWF40 covers

CountyStateSAME code
AdamsWisconsin055001
Green LakeWisconsin055047
JuneauWisconsin055057
MarquetteWisconsin055077
PortageWisconsin055097
WausharaWisconsin055137
WoodWisconsin055141

Program the six-digit code into your radio's SAME location list - the SAME code guide walks through it, and how alert radios work explains what the radio does with it.

Hearing WWF40

Any receiver that tunes 162.400 MHz FM can listen: scanners, VHF ham radios, marine sets, or a software-defined receiver. What those do not do is wake you at 3 a.m. - for that you want a dedicated radio with SAME alerting, covered in the buyer's guide.

Every Wisconsin transmitter, county and SAME code: NOAA Weather Radio in Wisconsin. Or look any county up with the finder.

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