* WHAT. Southwest winds 15 to 25 knots and waves 1 to 3 feet. * WHERE. The nearshore waters of Lake Erie from Maumee Bay to Vermilion OH. * WHEN. Until noon EDT today. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 15 to 25 knots and waves 3 to 5 feet expected. * WHERE. The nearshore waters of Lake Erie from Vermilion OH to Ripley NY. * WHEN. Until 4 PM EDT this afternoon. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. The following counties, in southeast Indiana, Dearborn, Franklin, Ohio, Ripley and Switzerland, the following counties, in Kentucky, Boone, Bracken, Campbell, Carroll, Gallatin, Grant, Kenton, Lewis, Mason, Owen, Pendleton and Robertson, and the following counties, in Ohio, Adams, Brown, Butler, Clermont, Clinton, Fairfield, Fayette, Franklin, Greene, Hamilton, Highland, Hocking, Licking, Madison, Pickaway, Pike, Ross, Scioto and Warren. * WHEN. From noon EDT today through Wednesday evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS. - Several rounds of heavy rain will move across the same area.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 543 IN EFFECT UNTIL 5 AM EDT EARLY THIS MORNING FOR THE FOLLOWING AREAS IN OHIO THIS WATCH INCLUDES 6 COUNTIES IN NORTHWEST OHIO HANCOCK LUCAS OTTAWA SANDUSKY SENECA WOOD THIS INCLUDES THE CITIES OF BELLEVUE, BOWLING GREEN, CLYDE, FINDLAY, FOSTORIA, FREMONT, GENOA, OAK HARBOR, PERRYSBURG, PORT CLINTON, TIFFIN, AND TOLEDO.