Active Weather Alerts
Small Craft Advisory
Issued: 7:50 PM Sep. 17, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 3 PM CDT FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... * WHAT...East winds to 20 kt. Significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...From 7 AM to 3 PM CDT 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. &&
Dense Fog Advisory
Issued: 7:50 PM Sep. 17, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 3 PM CDT FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... * WHAT...East winds to 20 kt. Significant waves to 6 ft occasionally to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...From 7 AM to 3 PM CDT 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. &&
Beach Hazard Statement
Issued: 7:39 PM Sep. 17, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves of 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From late tonight through Friday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. * ADDITIONAL DETAILS...An additional period of dangerous swimming conditions is expected Friday night into early next week. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. &&
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