Moderate

* WHAT...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...Until midnight CDT tonight. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish

At 833 PM MDT, Doppler radar was tracking a shower 5 miles north of Watkins, or 20 miles east of Denver, moving north at 15 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Denver, Aurora, Thornton, eastern Westminster, eastern Centennial, Commerce City, Northglenn, Brighton, northern Englewood, Greenwood Village, Federal Heights, Denver International Airport, D.I.A

* WHAT...High waves of 3 to 6 feet and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IN and Porter Counties. * WHEN...Through Wednesday morning. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

* WHAT...High waves of 4 to 6 feet and dangerous currents expected at Lake Michigan beaches. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Wednesday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

* WHAT...Life threatening waves of 3 to 5 feet and dangerous currents are expected. * WHERE...Sheboygan, Ozaukee, Milwaukee, Racine and Kenosha Counties. * WHEN...Through Thursday afternoon. * IMPACTS...Dangerous swimming conditions are expected due to high waves and onshore winds. Stay out of the water and away from dangerous areas like piers and breakwalls. Strong structural and longshore currents are expected. Rip currents are possible.

* WHAT...Strong currents and dangerous swimming conditions. * WHERE...Beaches of Niagara and Orleans Counties. * WHEN...Through Wednesday evening. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.

* WHAT...Strong currents and dangerous swimming conditions. * WHERE...Beaches of Monroe and Wayne Counties. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Strong currents and dangerous swimming conditions. Stay out of the water to avoid dangerous swimming conditions.

At 807 PM MDT, Doppler radar was tracking a strong thunderstorm near Harrison, or 34 miles east of Lusk, moving northeast at 25 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Fort Robinson State Park. If outdoors, consider seeking shelter inside a building.

* WHAT...Dangerous swimming conditions expected. *Waves of 2 to 4 feet subsiding to 1 to 3 feet. *Strong southward flowing longshore current expected. *Strong structural current near piers and breakwalls, especially on the north sides. *Rip currents possible within sandbars. * WHERE...Northern La Porte county. * WHEN...Through late tonight. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. Remain out of the water to avoid hazardous swimming conditions. Do not venture out on piers.

* WHAT...For the Coastal Flood Advisory, two to two and a half feet of inundation above ground level expected in low lying areas due to tidal flooding. For the Coastal Flood Watch, two to two and a half feet of inundation above ground level possible in low lying areas due to tidal flooding. * WHERE...Shoreline in St. Marys County. * WHEN...For the Coastal Flood Advisory, from 8 PM this evening to 8 PM EDT Wednesday, especially around the time of high tide. For the Coastal Flood Watch, from Wednesday evening