Lake Michigan

The alewife and salmon populations in Lake Michigan are on the brink of serious changes. Researchers have observed record low levels of alewives this year. (WDET)

ST. JOSEPH - You better hurry if you want a close-up look at the St. Joseph lighthouses. Renovations are expected to start in about six weeks, and the work will block the North Pier for the summer. When the work is done, the historic lighthouses will be restored to their appearance in 1932, including wooden planks along the catwalks. (St. Joseph-Benton Harbor Herald-Palladium)

Record was set in March of last year

Many lakefront structures were icy and slippery before winter storm

Plant officials say no oil has been found on the beach or in lake