Moderate

* WHAT...Life-threatening waves and currents expected. - High wave action: Waves building to 3 to 5 feet tonight and to 5 to 8 feet Tuesday afternoon and evening. - Life threatening rip, longshore, and structural currents are expected. Structural currents may be especially strong on the north sides of piers or breakwalls Tuesday afternoon and evening. * WHERE...In Indiana, Northern La Porte county. In Michigan, Northern Berrien and Southern Berrien counties. * WHEN...Through Wednesday morning.

* WHAT...Dangerous swimming conditions due to 3-5 ft waves and rip currents. * WHERE...Manistee County. * WHEN...From 6 AM EDT Tuesday through Tuesday evening. * 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.

At 928 PM CDT, Doppler radar was tracking a strong thunderstorm near Santa Rosa Beach, moving south at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Santa Rosa Beach, Gulf Pines, Blue Mountain Beach, Sandestin, Miramar Beach, and Four Mile Village. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to

* WHAT...Heat index values up to 106 expected. * WHERE...Barber, Comanche, Kiowa, Pratt, Stafford, Clark, Meade, and Seward Counties. * WHEN...From 1 PM to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Monitor the latest forecasts and warnings for updates.

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, northern, and northwest Oklahoma. * WHEN...From 11 AM to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 108 expected. * WHERE...Portions of central, east central, northwest, southeast, southern, southwest, and western Oklahoma and northern Texas. * WHEN...From 11 AM to 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Heat index values up to 102. * WHERE...Portions of south central and southwest Illinois and central and east central Missouri. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time

At 1014 PM EDT, Doppler radar was tracking a strong thunderstorm over Rockville, or 19 miles north of Terre Haute, moving south at 35 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... Terre Haute, Brazil, Clinton, Rockville, Fairview Park, Seelyville, Montezuma, Knightsville, Rosedale, Harmony, Staunton, Carbon, Mecca,

At 944 PM EDT, Doppler radar was tracking a strong thunderstorm 16 miles south of Greensboro, or 19 miles southwest of Quincy, moving south at 25 mph. HAZARD...Wind gusts up to 40 mph and pea size 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... Telogia, East Camp, Smith Creek, Jewel Fire Tower, Poplar Camp, Hosford, Lowry, Bloxham, and Clio.

At 945 PM EDT, Doppler radar was tracking a strong thunderstorm over North Higgins Lake, or 8 miles west of Roscommon, moving southeast at 40 mph. HAZARD...Penny size hail. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Locations impacted include... Roscommon, St. Helen, Higgins Lake, North Higgins Lake, Clear Lake, Lake St. Helen, South Higgins Lake, and Foster Township. If outdoors, consider seeking shelter inside a building.