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Hazardous Weather Outlook for Green Bay, WI
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776 FLUS43 KGRB 251853 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 153 PM CDT Tue Aug 25 2026 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-261900- Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County- Southern Oconto County- 153 PM CDT Tue Aug 25 2026 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Rest of the Afternoon and Tonight There is a chance of thunderstorms late this afternoon through late tonight. A strong to severe storm capable of producing damaging winds and large hail is possible this evening, mainly in central and north-central Wisconsin. There is an increasing risk of rip currents on Lake Michigan beaches. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday The risk of rip currents will be decreasing Wednesday morning as winds turn offshore and waves subside. There is a chance of thunderstorms on Wednesday afternoon. Some of the stronger storms could produce wind gusts to 45 mph, small hail and brief heavy rain. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report hail or wind gusts over 40 mph tonight and Wednesday. $$ LMZ521-522-541>543-261900- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 153 PM CDT Tue Aug 25 2026 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Rest of the Afternoon and Tonight Conditions hazardous to small craft are expected along Lake Michigan due to gusty south to southwest winds and high waves. Mariners on the bay should exercise caution. There is a chance of thunderstorms later this evening and overnight. Any thunderstorm could pose a hazard to mariners. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Conditions hazardous to small craft are expected Wednesday morning north of Sturgeon Bay on Lake Michigan due to gusty south to southwest winds and high waves. Winds are expected to veer to the west or northwest Wednesday morning. There is a chance of thunderstorms Wednesday afternoon, and again this weekend. Any thunderstorm could pose a hazard to mariners. $$ Eckberg |
Previous Hazardous Weather Outlooks may be found at
NWS Green Bay, WI (GRB) Office Hazardous Weather Outlooks.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)
Products Courtesy of NOAA-NWS
NWS Information Parsing Script by Ken True at Saratoga Weather - WFO and Products Scripts by SE Lincoln Weather.
Mapping by Curly at Michiana Weather and by Tom at My Mishawaka Weather.
