Active Weather Alerts
Special Marine Warning
Issued: 1:33 AM Apr. 3, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 945 PM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 833 PM CDT, severe thunderstorms were located along a line extending from near Winthrop Harbor to Harrison-Dever Crib to 10 nm southwest of Midway Airport, moving northeast at 60 knots. HAZARD...Wind gusts in excess of 65 knots. SOURCE...Radar indicated. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. severe thunderstorms will be near... Monroe Harbor, 31st Street Harbor, Calumet Harbor, Harrison-Dever Crib, Burnham Harbor, Jackson Park Harbor, 59th Street Marina, and DuSable Harbor around 840 PM CDT. Hammond Marina around 850 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1100 PM CDT for northeastern Illinois. && HAIL...0.00IN; WIND...65KTS
Gale Warning
Issued: 8:55 PM Apr. 2, 2026 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 AM CDT FRIDAY... * WHAT...For the Gale Warning, south winds to 40 kt and significant waves to 6 ft occasionally to 8 ft. For the Small Craft Advisory, southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Gale Warning, until 9 PM CDT this evening. For the Small Craft Advisory, from 9 PM this evening to 4 AM CDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
Small Craft Advisory
Issued: 8:55 PM Apr. 2, 2026 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 4 AM CDT FRIDAY... * WHAT...For the Gale Warning, south winds to 40 kt and significant waves to 6 ft occasionally to 8 ft. For the Small Craft Advisory, southwest winds to 30 kt and significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...For the Gale Warning, until 9 PM CDT this evening. For the Small Craft Advisory, from 9 PM this evening to 4 AM CDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
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