WHUS73 KMKX 150753 MWWMKX URGENT - MARINE WEATHER MESSAGE National Weather Service Milwaukee/Sullivan WI 253 AM CDT Wed Apr 15 2026 LMZ080-645-646-673-675-777-779-874-876-878-151600- /O.EXB.KMKX.MF.Y.0003.000000T0000Z-260416T1200Z/ Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.-North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake- Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake- Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake- Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake- Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake- Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake- 253 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THURSDAY... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Southern Third of the Open Waters of Lake Michigan, and Nearshore Waters from North Point Lighthouse to Winthrop Harbor IL. * WHEN...Until 7 AM CDT Thursday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ LMZ261-362-364-366-563-565-567-643-644-669-671-868-870-872-151600- /O.EXT.KMKX.MF.Y.0003.000000T0000Z-260416T1200Z/ Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake- Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore- Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake- Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake- Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake- Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake-Sheboygan to Port Washington WI- Port Washington to North Point Light WI- Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake- Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake- Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake- Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake- Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake- 253 AM CDT Wed Apr 15 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 7 AM CDT THURSDAY... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Northern Two Thirds of the Open Waters of Lake Michigan, and Nearshore Waters from Sheboygan to North Point Lighthouse. * WHEN...Until 7 AM CDT Thursday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$