Watches, Warnings & Advisories
2 products found for Marine Zone: LMZ743
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 224 PM CST Thu Nov 6 2025 LMZ740>745-072030- 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- 224 PM CST Thu Nov 6 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Saturday Night through Monday... Gale force winds and very hazardous waves are possible. Tuesday and Wednesday... Hazardous conditions for small craft are likely. $$ KJB Visit us at www.weather.gov/chicago
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 238 PM CST Thu Nov 6 2025 LMZ743>745-070445- /O.CON.KLOT.SC.Y.0097.251107T0000Z-251107T1200Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 238 PM CST Thu Nov 6 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST FRIDAY... * WHAT...South winds to 30 kt with occasional gales to 35 kt and significant waves to 5 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...From 6 PM this evening to 6 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$