Watches, Warnings & Advisories
2 products found for Marine Zone: LMZ741
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 943 AM CST Tue Nov 4 2025 LMZ740>743-042345- /O.CON.KLOT.SC.Y.0096.251105T0100Z-251106T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 943 AM CST Tue Nov 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 PM CST WEDNESDAY... * WHAT...Southwest winds to 30 kt with a few 35 kt gales tonight, becoming northwest to 30 kt on Wednesday. Significant waves to 5 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet Harbor IL to Gary IN. * WHEN...From 7 PM this evening to 6 PM CST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 350 AM CST Tue Nov 4 2025 LMZ740>745-051000- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 350 AM CST Tue Nov 4 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. Weather hazards expected... Hazardous conditions for small craft tonight. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday through Sunday... Hazardous conditions for small craft are likely at times. Thursday Night... Limited Thunderstorm Risk. $$ Carlaw Visit us at www.weather.gov/chicago