Active Weather Alerts
Special Marine Warning
Issued: 10:42 PM May. 16, 2025 – National Weather Service
The National Weather Service in Green Bay has issued a * Special Marine Warning for... Central and Southern Bay of Green Bay... * Until 630 PM CDT. * At 541 PM CDT, strong thunderstorms were located along a line extending from 10 nm southeast of Shawano to 14 nm west of Green Bay to 12 nm northeast of Oshkosh, moving northeast at 50 knots towards the Bay of Green Bay. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Green Bay Harbor Entrance Light, Sherwood Point Light, Long Tail Point Light, Peshtigo Reef Light, Little Suamico, Bay Shore Park, Sturgeon Bay, Marinette, and Oconto. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && HAIL...0.00IN; WIND...49KTS
Severe Thunderstorm Warning
Issued: 10:27 PM May. 16, 2025 – National Weather Service
The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... Brown County in northeastern Wisconsin... Northern Calumet County in east central Wisconsin... Northeastern Winnebago County in east central Wisconsin... Northeastern Waupaca County in northeastern Wisconsin... South central Oconto County in northeastern Wisconsin... Outagamie County in northeastern Wisconsin... Eastern Shawano County in northeastern Wisconsin... West central Manitowoc County in east central Wisconsin... * Until 615 PM CDT. * At 527 PM CDT, severe thunderstorms were located along a line extending from 9 miles northeast of New London to near Black Creek to near Central Lake Winnebago, moving northeast at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Appleton, Menasha, Kaukauna, Little Chute, Kimberly, Black Creek, Darboy, High Cliff State Park, and Northern Lake Winnebago around 535 PM CDT. Green Bay around 540 PM CDT. Pulaski around 545 PM CDT. Bellevue Town around 550 PM CDT. Other locations impacted by these severe thunderstorms include Mackville, Leeman, Wayside, Morrison, Sugar Bush, Rose Lawn, Freedom, Ledgeview, Wolf River Bottoms Wildlife Area, and Leo Frigo Bridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Small Craft Advisory
Issued: 9:14 PM May. 16, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft on the bay and 4 to 7 ft subsiding to 2 to 4 ft on the lake. * WHERE...Lake Michigan nearshore waters from Washington Island to Sheboygan, and Central and Southern Bay of Green Bay. * WHEN...Until 7 PM CDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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