Watches, Warnings & Advisories
3 products found for Marine Zone: LMZ542
Dense Fog Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 809 PM CDT Sun May 17 2026 LMZ542-543-180915- /O.NEW.KGRB.MF.Y.0006.260518T0109Z-260518T0900Z/ /O.CON.KGRB.SC.Y.0052.000000T0000Z-260520T0600Z/ Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 809 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT WEDNESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft. * WHERE...Lake Michigan nearshore waters from Sturgeon Bay to Sheboygan. * WHEN...For the Dense Fog Advisory, until 4 AM CDT Monday. For the Small Craft Advisory, until 1 AM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The direction of the strongest wind gusts may be erratic as thunderstorms move through. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 809 PM CDT Sun May 17 2026 LMZ542-543-180915- /O.NEW.KGRB.MF.Y.0006.260518T0109Z-260518T0900Z/ /O.CON.KGRB.SC.Y.0052.000000T0000Z-260520T0600Z/ Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 809 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT WEDNESDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft. * WHERE...Lake Michigan nearshore waters from Sturgeon Bay to Sheboygan. * WHEN...For the Dense Fog Advisory, until 4 AM CDT Monday. For the Small Craft Advisory, until 1 AM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The direction of the strongest wind gusts may be erratic as thunderstorms move through. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Green Bay WI 249 PM CDT Sun May 17 2026 LMZ521-522-541>543-182000- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 249 PM CDT Sun May 17 2026 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight There is a chance of thunderstorms. Conditions hazardous to small craft are expected tonight. .DAYS TWO THROUGH SEVEN...Monday through Sunday Conditions hazardous to small craft are expected on the Bay of Green Bay through Monday evening. Conditions hazardous to small craft are expected on Lake Michigan through Tuesday evening. Thunderstorms will be possible from Monday through Tuesday morning. Any thunderstorm could pose a hazard to mariners. $$ JLA