Moderate

* WHAT...High swim risk due to large waves, rip currents, and longshore currents. Dangerous swimming conditions are expected. * WHERE...Huron County. * WHEN...From 4 PM EDT this afternoon through Monday morning. * IMPACTS...Strong currents can pull swimmers into deep water and prevent return to shore. Remain out of the water to avoid hazardous swimming conditions.

Patchy dense fog has developed this morning, especially in places that saw notable rainfall yesterday. Visibilities have been down to one quarter of a mile or less in some spots. If traveling this morning, allow for extra time to reach your destination. Fog should lift by mid-morning.

* WHAT...Dangerous swimming conditions expected. Waves 4 to 6 feet may produce dangerous rip currents. * WHERE...Presque Isle County. * WHEN...From 2 PM EDT this afternoon through late tonight. * IMPACTS...A high swim risk means life threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...Dangerous swimming conditions expected. Waves 3 to 5 feet may produce dangerous rip currents. * WHERE...Charlevoix County. * WHEN...From 2 PM EDT this afternoon through this evening. * IMPACTS...A high swim risk means life threatening waves and currents are expected. Stay out of the water and stay away from dangerous areas like piers and breakwalls. Remain out of the water to avoid hazardous swimming conditions.

At 351 AM EDT, Doppler radar was tracking a cluster of strong thunderstorms near Pocomoke City, moving northeast at 30 mph. HAZARD...Wind gusts up to 40 mph and heavy rain. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Reduced visibility and minor flooding possible. This strong thunderstorm will be near... Snow Hill around 355 AM EDT. Newark around 410 AM EDT. Berlin around 425 AM EDT.

* WHAT...High risk of rip currents expected. * WHERE...Lucas and Ottawa Counties. * WHEN...From this evening through late tonight. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...High risk of rip currents expected. * WHERE...In Ohio, Erie, Lorain, Cuyahoga, Lake and Ashtabula Lakeshore Counties. In Pennsylvania, Northern Erie County. * WHEN...From this evening through Monday morning. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 3 to 6 feet expected. * WHERE...Lake IN and Porter Counties. * WHEN...From 10 AM CDT this morning through this 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...Visibility one quarter mile or less in dense fog. * WHERE...Portions of eastern Kentucky. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility to one quarter of a mile or less in dense fog. * WHERE...Portions of east Tennessee and southwest Virginia. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.