


Marine Weather Message
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
333 WHUS73 KLOT 190902 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 402 AM CDT Tue Aug 19 2025 LMZ740>745-191715- /O.NEW.KLOT.SC.Y.0077.250820T0600Z-250821T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 402 AM CDT Tue Aug 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM WEDNESDAY TO 4 AM CDT THURSDAY... * WHAT...North and northeast winds to 25 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Illinois and Indiana nearshore from Winthrop Harbor IL to Michigan City IN. * WHEN...From 1 AM Wednesday to 4 AM CDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$