Alerts from NWS Green Bay WI (UNOFFICIAL)
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Alerts from NWS Green Bay WI (UNOFFICIAL)
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Small Craft Advisory issued December 15 at 10:21AM CST until December 15 at 12:00PM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until noon CST today. * IMPACTS...Conditions will be hazardous to small craft.
December 15, 2025 at 4:30 PM
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🚨 Heavy Freezing Spray Warning issued December 15 at 2:44AM CST until December 15 at 8:00AM CST by NWS Green Bay WI 🚨
Additional Details Here.
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft. * WHERE...Central Bay of Green Bay. * WHEN...For the Heavy Freezing Spray Warning, until 8 AM CST this morning. For the Small Craft Advisory, until noon CST today. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft. * WHERE...Central Bay of Green Bay. * WHEN...For the Heavy Freezing Spray Warning, until 8 AM CST this morning. For the Small Craft Advisory, until noon CST today. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...Until noon CST today. * IMPACTS...Conditions will be hazardous to small craft.
December 15, 2025 at 9:00 AM
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🚨 Small Craft Advisory issued December 14 at 10:04PM CST until December 15 at 12:00PM CST by NWS Green Bay WI 🚨
Additional Details Here.
* WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the Small Craft Advisory, until noon CST Monday. For the Heavy Freezing Spray Warning, until 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the Small Craft Advisory, until noon CST Monday. For the Heavy Freezing Spray Warning, until 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...Until noon CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 15, 2025 at 4:15 AM
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🚨 Small Craft Advisory issued December 14 at 3:29PM CST until December 15 at 12:00PM CST by NWS Green Bay WI 🚨
Additional Details Here.
* WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 5 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 5 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...Southwest winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 5 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...From midnight tonight to noon CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 9:45 PM
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🚨 Small Craft Advisory issued December 14 at 9:34AM CST until December 14 at 12:00PM CST by NWS Green Bay WI 🚨
Additional Details Here.(2/2)
* WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kts and waves 2 to 4 ft. For the second Small Craft Advisory, southwest winds 15 to 25 kts with gusts up to 30 kts and waves 4 to 7 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 3:45 PM
grb.nws-bot.us
🚨 Small Craft Advisory issued December 14 at 9:34AM CST until December 14 at 12:00PM CST by NWS Green Bay WI 🚨
Additional Details Here.
(1/2)
* WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kts and waves 2 to 4 ft. For the second Small Craft Advisory, southwest winds 20 to 30 kts and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kts and waves 2 to 4 ft. For the second Small Craft Advisory, southwest winds 20 to 30 kts and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kts and waves 2 to 4 ft. For the second Small Craft Advisory, southwest winds 20 to 30 kts and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kts and waves 2 to 4 ft. For the second Small Craft Advisory, southwest winds 15 to 25 kts with gusts up to 30 kts and waves 4 to 7 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 3:45 PM
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Cold Weather Advisory issued December 14 at 6:15AM CST until December 14 at 10:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 14, 2025 at 12:30 PM
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Cold Weather Advisory issued December 14 at 4:55AM CST until December 14 at 6:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 6 AM CST early this morning. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 14, 2025 at 11:00 AM
grb.nws-bot.us
🚨 Small Craft Advisory issued December 14 at 4:22AM CST until December 14 at 12:00PM CST by NWS Green Bay WI 🚨
Additional Details Here.(2/2)
* WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves up to 3 ft. For the second Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 10:30 AM
grb.nws-bot.us
🚨 Small Craft Advisory issued December 14 at 4:22AM CST until December 14 at 12:00PM CST by NWS Green Bay WI 🚨
Additional Details Here.
(1/2)
* WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft. For the second Small Craft Advisory, southwest winds 20 to 30 kt and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft. For the second Small Craft Advisory, southwest winds 20 to 30 kt and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft. For the second Small Craft Advisory, southwest winds 20 to 30 kt and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Central Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. For the Heavy Freezing Spray Warning, from 1 AM to 8 AM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. * WHAT...For the first Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves up to 3 ft. For the second Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Southern Bay of Green Bay. * WHEN...For the first Small Craft Advisory, until noon CST today. For the second Small Craft Advisory, from midnight tonight to noon CST Monday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 10:30 AM
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Cold Weather Advisory issued December 13 at 10:04PM CST until December 14 at 6:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 6 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 14, 2025 at 4:15 AM
grb.nws-bot.us
Small Craft Advisory issued December 13 at 10:01PM CST until December 14 at 12:00PM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until noon CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
December 14, 2025 at 4:15 AM
grb.nws-bot.us
Small Craft Advisory issued December 13 at 2:22PM CST until December 14 at 12:00PM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 4 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until noon CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
December 13, 2025 at 8:30 PM
grb.nws-bot.us
Cold Weather Advisory issued December 13 at 1:46PM CST until December 14 at 6:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 6 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 20 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 13, 2025 at 8:00 PM
grb.nws-bot.us
Small Craft Advisory issued December 13 at 9:32AM CST until December 14 at 12:00PM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 4 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until noon CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
December 13, 2025 at 3:45 PM
grb.nws-bot.us
Cold Weather Advisory issued December 13 at 9:20AM CST until December 14 at 6:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 25 to 35 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 6 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 25 to 35 below zero could cause frostbite on exposed skin in as little as 20 minutes. Wind chill values this low can lead to hypothermia with prolonged exposure. * WHAT...Very cold wind chills as low as 25 to 35 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 25 to 35 below zero could cause frostbite on exposed skin in as little as 20 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 13, 2025 at 3:30 PM
grb.nws-bot.us
Cold Weather Advisory issued December 13 at 3:00AM CST until December 13 at 10:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. Wind chill values this low can lead to hypothermia with prolonged exposure. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. Wind chill values this low can lead to hypothermia with prolonged exposure.
December 13, 2025 at 9:15 AM
grb.nws-bot.us
Small Craft Advisory issued December 13 at 2:34AM CST until December 14 at 12:00PM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until noon CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
December 13, 2025 at 8:45 AM
grb.nws-bot.us
Cold Weather Advisory issued December 13 at 2:25AM CST until December 13 at 10:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 10 AM CST this morning. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 13, 2025 at 8:30 AM
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Special Weather Statement issued December 12 at 9:55PM CST by NWS Green Bay WI
Additional Details Here.
..LIGHT SNOW SHOWERS MAY CREATE SLIPPERY STRETCHES THIS EVENING... Light snow accumulations of a few tenths to around one half of an inch could lead to the development of slippery roads during the late evening and into the early overnight hours. Brief reductions in visibilities can also be expected as these snow showers track through eastern Wisconsin. Motorists should be prepared to encounter changing road conditions and drive with caution, especially on untreated roads, bridges, and overpasses.
December 13, 2025 at 4:00 AM
grb.nws-bot.us
Cold Weather Advisory issued December 12 at 9:41PM CST until December 13 at 10:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...Until 10 AM CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...Until 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 13, 2025 at 4:00 AM
grb.nws-bot.us
Small Craft Advisory issued December 12 at 9:33PM CST until December 14 at 6:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until 6 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
December 13, 2025 at 3:45 AM
grb.nws-bot.us
Small Craft Advisory issued December 12 at 2:30PM CST until December 14 at 6:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Northwest winds 15 to 25 kts with gusts up to 30 kts and waves 2 to 4 ft expected. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...From 6 PM this evening to 6 AM CST Sunday. * IMPACTS...Conditions will be hazardous to small craft.
December 12, 2025 at 10:45 PM
grb.nws-bot.us
Special Weather Statement issued December 12 at 1:03PM CST by NWS Green Bay WI
Additional Details Here.
..Light Wintry Mix to Create Slippery Stretches Over Next Few Hours... Light snow accumulations of around one half inch, possibly mixed with freezing drizzle at times, could lead to the development of slippery roads over the next 2 to 3 hours. Brief reductions in visibilities under 1 mile can also be expected. Motorists should be prepared to encounter changing road conditions and drive with caution, especially on untreated roads, bridges, and overpasses.
December 12, 2025 at 7:15 PM
grb.nws-bot.us
Cold Weather Advisory issued December 12 at 11:56AM CST until December 13 at 10:00AM CST by NWS Green Bay WI
Additional Details Here.
* WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Oneida, Vilas, Florence, Forest, Northern Marinette County, Northern Oconto County, Southern Marinette County, and Southern Oconto County Counties. * WHEN...From midnight tonight to 10 AM CST Saturday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * WHAT...Very cold wind chills as low as 30 below expected. * WHERE...Portions of central, east central, north central, and northeast Wisconsin. * WHEN...From midnight tonight to 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. Wind chill values can lead to hypothermia with prolonged exposure.
December 12, 2025 at 6:00 PM