WHUS73 KLOT 160803 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 303 AM CDT Thu Apr 16 2026 LMZ740-161400- /O.NEW.KLOT.MF.Y.0005.260416T0803Z-260416T1400Z/ Winthrop Harbor to Wilmette Harbor IL- 303 AM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...Until 9 AM CDT this morning. * 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. && $$