* WHAT. North winds increasing to 15 to 30 knots this evening which will continue into Monday. Waves building to 3 to 6 feet expected. * WHERE. St Joseph to Manistee. * WHEN. From 6 PM this evening to 11 PM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft. * ADDITIONAL DETAILS. Waves will ramp up this evening before a bit of a lull late tonight. Waves will build once again on Monday.

* WHAT. High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE. Ottawa, Allegan and Van Buren counties. * WHEN. From 8 PM EDT this evening through Monday evening. * IMPACTS. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS. Dangerous waves and currents will develop this evening which will continue into Monday. North side of north piers will be dangerous places to swim this evening and again on Monday.

* WHAT. High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE. Ottawa, Allegan and Van Buren counties. * WHEN. From 8 PM EDT this evening through Monday evening. * IMPACTS. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS. North winds of 15 to 25 mph will build waves this evening that will persist into Monday. Dangerous waves and currents are expected from this evening through Monday evening. North side of north piers will be dangerous places to swim. The worst conditions will likely occur Monday afternoon and evening.

* WHAT. North winds 15 to 25 knots and waves 3 to 6 feet expected. Waves will be highest both this evening and again Monday afternoon and evening. * WHERE. St Joseph to Manistee. * WHEN. Until 11 PM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft. * ADDITIONAL DETAILS. Waves will build this evening towards sunset and higher winds develop out of the north. A brief period where the winds and waves will subside a bit will be Monday morning, before conditions ramp up again Monday afternoon and evening.

* WHAT. High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 ft expected. * WHERE. In Illinois, Lake, Northern Cook and Central Cook Counties. In Indiana, Lake and Porter Counties. * WHEN. From 9 PM CDT this evening through late Monday night. * IMPACTS. Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

* WHAT. North winds to 30 kt and significant waves to 8 ft occasionally to 10 ft expected. * WHERE. Calumet Harbor IL to Michigan City IN. * WHEN. From 9 PM this evening to 9 PM CDT Monday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Northwest winds to 30 kt and significant waves to 4 ft expected today. North winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected tonight and Monday. * WHERE. Winthrop Harbor to Calumet Harbor IL. * WHEN. Until 9 PM CDT Monday. * IMPACTS. Conditions will be hazardous to small craft.