Moderate

* WHAT...Very steep and hazardous seas 9 to 12 feet and north winds 15 to 25 kt with localized gusts to 35 kt. * WHERE...Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Very steep and hazardous seas could capsize or cause damage to vessels. Recreational boaters should remain in port. Commercial vessels should prepare for rough seas and consider remaining in port until hazardous seas subside.

At 458 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Shelton to 6 miles north of Kenesaw to near Minden. Movement was east at 20 mph. HAZARD...Wind gusts up to 50 mph and penny 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. Strong thunderstorms will be near... Wood River, Kenesaw, Heartwell, Prosser, and Norman around 505 AM CDT.

At 422 AM CDT, Doppler radar was tracking a strong thunderstorm over Clem, or 10 miles north of Prentiss, moving northeast at 25 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. This strong thunderstorm will be near... Magee around 430 AM CDT. Sanatorium around 435 AM CDT. If outdoors, consider seeking shelter inside a building.

At 426 AM CDT, Doppler radar was tracking a strong thunderstorm near Kearney, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph and penny 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. This strong thunderstorm will be near... Kearney around 430 AM CDT. Gibbon around 445 AM CDT. This includes Interstate 80 between mile markers 268 and 292. If outdoors, consider seeking shelter inside a building.

Areas of fog will continue across portions of the area this morning, especially across the higher elevations. Fog could be dense in some locations, with visibility a quarter of a mile or less. Use caution if traveling, and be alert for rapidly changing visibility over a short distance. Use low beam headlights and allow for greater distances between vehicles.

At 405 AM CDT, Doppler radar was tracking a strong thunderstorm near Funk, or 9 miles northeast of Holdrege, moving northeast at 20 mph. HAZARD...Wind gusts up to 40 mph and penny 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. This storm will remain over mainly rural areas of northeastern Phelps, northwestern Kearney and southern Buffalo Counties. This includes Interstate 80 between mile markers 260 and 287.

At 409 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hollandale to near Silver City. Movement was north at 40 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. Strong thunderstorms will be near... Hollandale, Belzoni, Isola, Darlove, and Estill around 415 AM CDT. Arcola around 420 AM CDT.

At 358 AM CDT, Doppler radar was tracking a strong thunderstorm 4 miles southwest of Frisco City, moving northeast 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... Monroeville, Frisco City, Uriah, Excel, and Repton. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to

* WHAT...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...From this afternoon through this evening. * 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

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through Saturday afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com. Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other