SMWLOT The National Weather Service in Chicago has issued a * Special Marine Warning for. Nearshore Waters from Winthrop Harbor to Wilmette Harbor. Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake. * Until 830 PM CDT. * At 627 PM CDT, strong thunderstorms were located along a line extending from 17 nm west of Pleasant Prairie to McHenry to 9 nm northwest of Elgin, moving east at 30 knots. HAZARD. Wind gusts to 40 knots and small hail. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include. Winthrop Harbor and Waukegan Harbor.

* WHAT. High wave action, strong currents, and dangerous swimming conditions expected for Memorial Day. Piers may be heavily swamped by waves. * WHERE. Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN. From Monday morning through Monday evening. * IMPACTS. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.

* WHAT. Northwest winds 10 to 20 knots with gusts up to 30 knots and waves 3 to 5 feet expected. * WHERE. St Joseph to Manistee. * WHEN. From 8 AM to 8 PM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.

For the following areas. Nearshore Waters from Winthrop Harbor to Wilmette Harbor. Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake. At 723 PM CDT, strong thunderstorms were located along a line extending from near Winthrop Harbor to near Waukegan Harbor to 7 nm north of Ohare Airport, moving east at 30 knots. HAZARD. Wind gusts to 40 knots and small hail. SOURCE. Radar indicated. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include. Winthrop Harbor and Waukegan Harbor.

SMWLOT The National Weather Service in Chicago has issued a * Special Marine Warning for. Nearshore Waters from Wilmette Harbor to Calumet Harbor. Nearshore Waters from Calumet Harbor to Michigan City. Open Waters from Wilmette Harbor to Michigan City out to Mid Lake. * Until 945 PM CDT. * At 737 PM CDT, strong thunderstorms were located along a line extending from 8 nm north of Wilmette Harbor to near Ohare Airport to 10 nm north of Joliet, moving east at 30 knots. HAZARD. Wind gusts to 40 knots and small hail. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include. Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Indiana Harbor, Montrose Harbor, Burnham Harbor, Hammond Marina, Jackson Park Harbor, and Belmont Harbor.

For the following areas. Nearshore Waters from Winthrop Harbor to Wilmette Harbor. Open Waters from Winthrop Harbor to Wilmette Harbor out to Mid Lake. At 731 PM CDT, severe thunderstorms capable of producing waterspouts were located along a line extending from near Winthrop Harbor to 11 nm southeast of Waukegan Harbor to near Wilmette Harbor, moving east at 30 knots. HAZARD. Waterspouts, wind gusts to 40 knots, and small hail. SOURCE. Radar indicated. IMPACT. Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include. Winthrop Harbor and Waukegan Harbor.

* WHAT. High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE. Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN. From 8 AM EDT Monday through Monday evening. * IMPACTS. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.

* WHAT. Northwest winds 10 to 20 knots with gusts up to 30 knots and waves 2 to 5 feet expected. * WHERE. St Joseph to Manistee. * WHEN. From 8 AM to 8 PM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.