The global wave height chart -- good for tracking purple blobs. From any forecast or report page mouse over the ‘Charts’ tab at the top of the page to view the available charts in your area. Taking ...

High waves and strong currents will create life-threatening conditions across Michigan's Great Lakes for swimmers and boaters, the National Weather Service said as it announced advisories for Thursday ...

Waves (other than tsunamis or other non-wind produced waves) are generated by wind blowing across water for a period of time. The stronger the wind, the longer the expanse of water (the fetch) and the ...

The weather change to a cooler northerly wind created a rapid water rise on southern Lake Michigan. This rapid water rise is called a seiche. Water level sensors at Calumet Harbor in the very southern ...

Might a storm far out at sea push waves the size of a ten-story building onto the coast? Forecasters say Hurricane Erin just might. Strengthening now in the Atlantic, Erin is expected to be the first ...

The world Meteorological Organization establishes record oceanic wave heights. The current world record wave height is 62.3 feet measured by a buoy in the North Atlantic Ocean at 6am UTC on February 4 ...

Ocean waves are a ubiquitous part of coastal landscapes and beach vacations. But have you ever paused to ponder where a wave originates, how far it travels, or why it forms in the first place? A wave ...